diff --git a/ihp/ihp-install-script.sh b/ihp/ihp-install-script.sh
new file mode 100755
index 000000000..9d3996803
--- /dev/null
+++ b/ihp/ihp-install-script.sh
@@ -0,0 +1,337 @@
+#!/bin/bash
+#=====================================================================
+#           FILE: install-ihp-openpdk.sh
+#
+#        USAGE:  ./install-ihp-openpdk.sh --install
+#                ./install-ihp-openpdk.sh --uninstall
+#
+#   DESCRIPTION: Installation script for IHP Open PDK with OpenVAF
+#                This script is designed to be called from install-eSim.sh
+#                or can be run standalone after eSim/NGHDL is installed.
+#
+#       OPTIONS: --install, --uninstall
+#  REQUIREMENTS: eSim/NGHDL must be installed first (for ngspice with OSDI)
+#          BUGS: ---
+#         NOTES: ---
+#       MENTORS: Sumanto Kar, Varad Patil, Shanti Priya K, Aditya M
+#       INTERNS: Akshay Rukade, Haripriyan R
+#  ORGANIZATION: eSim Team, FOSSEE, IIT Bombay
+#       CREATED: 2026-01-15
+#      REVISION: 2026-01-15
+#=====================================================================
+
+### CONFIG ###
+PDK_DIR="$HOME/ihp"
+PDK_ROOT="$PDK_DIR/IHP-Open-PDK"
+OPENVAF_DIR="$PDK_DIR/openvaf"
+BASHRC="$HOME/.bashrc"
+SPICEINIT="$HOME/.spiceinit"
+NGHDL_SPINIT="$HOME/nghdl-simulator/install_dir/share/ngspice/scripts/spinit"
+
+export PDK_DIR PDK_ROOT OPENVAF_DIR BASHRC SPICEINIT NGHDL_SPINIT
+
+# Timestamp for backups
+sysdate="$(date)"
+timestamp=$(echo "$sysdate" | awk '{print $3"_"$2"_"$6"_"$4}')
+
+
+### ERROR HANDLERS ###
+error_exit() {
+    echo -e "\n\n❌ Error! Kindly resolve above error(s) and try again."
+    echo -e "\nAborting IHP PDK Installation...\n"
+}
+
+log() { 
+    echo -e "\n👉 $1\n"
+}
+
+
+### HELPER FUNCTIONS ###
+
+# Force reset directory (bulldozer mode)
+force_reset_dir() {
+    local dir="$1"
+    if [[ -d "$dir" ]]; then
+        echo "⚠️  Removing existing directory: $dir"
+        rm -rf "$dir"
+    fi
+    mkdir -p "$dir"
+}
+
+
+# Check if ngspice has OSDI support
+check_ngspice_osdi() {
+    log "Checking if ngspice has OSDI support..."
+    
+    if ! command -v ngspice &> /dev/null; then
+        echo "❌ ngspice not found. Please install eSim/NGHDL first."
+        return 1
+    fi
+    
+    # Check ngspice version and OSDI support
+    if ngspice -v 2>&1 | grep -qi "osdi\|45"; then
+        log "✅ ngspice with OSDI support detected"
+        return 0
+    else
+        echo "⚠️  Warning: ngspice may not have OSDI support."
+        echo "   IHP PDK requires ngspice compiled with --enable-osdi"
+        read -p "   Continue anyway? (y/n): " choice
+        if [[ "$choice" != "y" && "$choice" != "Y" ]]; then
+            return 1
+        fi
+    fi
+    return 0
+}
+
+
+### INSTALLATION FUNCTIONS ###
+
+# Install IHP-specific dependencies
+install_ihp_dependencies() {
+    log "Installing IHP PDK dependencies..."
+    
+    sudo apt-get update -y
+    sudo apt-get install -y \
+        build-essential cmake libtool clang \
+        python3 python3-dev python3-venv \
+        ruby ruby-dev tree git wget \
+        klayout
+    
+    # Install Python packages in eSim's virtualenv if available
+    if [[ -d "$HOME/.esim/env" ]]; then
+        log "Using existing eSim Python virtualenv"
+        source "$HOME/.esim/env/bin/activate"
+    else
+        log "⚠️ eSim venv not found. Installing packages globally."
+    fi
+    
+    pip install --upgrade pip
+    pip install pandas h5py PDKMaster || true
+    
+    log "✅ IHP dependencies installed."
+}
+
+
+# Clone IHP Open PDK
+install_openpdk() {
+    log "Cloning IHP Open-PDK..."
+    
+    force_reset_dir "$PDK_DIR"
+    cd "$PDK_DIR"
+    
+    git clone --recursive https://github.com/IHP-GmbH/IHP-Open-PDK.git "$PDK_ROOT"
+    cd "$PDK_ROOT"
+    git checkout dev
+    
+    # Add environment variables to .bashrc (if not already present)
+    if ! grep -q "IHP Open PDK" "$BASHRC"; then
+        echo '
+# --- IHP Open PDK Environment Variables ---
+export PDK_ROOT="'"$PDK_ROOT"'"
+export PDK="ihp-sg13g2"
+export KLAYOUT_PATH="$HOME/.klayout:$PDK_ROOT/$PDK/libs.tech/klayout"
+export KLAYOUT_HOME="$HOME/.klayout"
+# --- End IHP Open PDK ---
+' >> "$BASHRC"
+        log "Added IHP PDK environment variables to ~/.bashrc"
+    fi
+    
+    log "✅ IHP Open PDK cloned successfully."
+}
+
+
+# Install OpenVAF (Verilog-A compiler)
+install_openvaf() {
+    log "Installing OpenVAF..."
+    
+    mkdir -p "$OPENVAF_DIR"
+    cd "$OPENVAF_DIR"
+    
+    # Download OpenVAF binary
+    wget -q https://openva.fra1.cdn.digitaloceanspaces.com/openvaf_23_5_0_linux_amd64.tar.gz
+    tar -xzf openvaf_23_5_0_linux_amd64.tar.gz
+    rm openvaf_23_5_0_linux_amd64.tar.gz
+    
+    OPENVAF_BIN="$OPENVAF_DIR/openvaf"
+    
+    if [[ ! -f "$OPENVAF_BIN" ]]; then
+        echo "❌ OpenVAF binary not found after extraction"
+        find "$OPENVAF_DIR" -type f
+        exit 1
+    fi
+    
+    # Create symlink (remove old one first)
+    sudo rm -rf /usr/bin/openvaf
+    sudo ln -s "$OPENVAF_BIN" /usr/bin/openvaf
+    
+    # Verify installation
+    if openvaf --version &> /dev/null; then
+        log "✅ OpenVAF installed successfully"
+        log "   Symlink: /usr/bin/openvaf → $OPENVAF_BIN"
+    else
+        echo "❌ OpenVAF installation verification failed"
+        exit 1
+    fi
+}
+
+
+# Compile Verilog-A models to OSDI
+compile_verilog_models() {
+    log "Compiling Verilog-A models to OSDI format..."
+    
+    cd "$PDK_ROOT/ihp-sg13g2/libs.tech/verilog-a"
+    
+    # Make compile script executable
+    chmod +x openvaf-compile-va.sh
+    ./openvaf-compile-va.sh
+    
+    # Verify OSDI files were created
+    OSDI_DIR="$PDK_ROOT/ihp-sg13g2/libs.tech/ngspice/osdi"
+    if ls "$OSDI_DIR"/*.osdi &> /dev/null; then
+        osdi_count=$(ls -1 "$OSDI_DIR"/*.osdi 2>/dev/null | wc -l)
+        log "✅ Compiled $osdi_count OSDI models successfully"
+    else
+        echo "❌ OSDI compilation failed - no .osdi files found"
+        exit 1
+    fi
+}
+
+
+# Configure ngspice to load IHP OSDI models (adds to NGHDL spinit only)
+configure_spiceinit() {
+    log "Configuring ngspice to load IHP OSDI models..."
+    
+    # Add to NGHDL's spinit if it exists
+    if [[ -f "$NGHDL_SPINIT" ]]; then
+        # Enable OSDI if not already enabled
+        if grep -q "^unset osdi_enabled" "$NGHDL_SPINIT" 2>/dev/null; then
+            sed -i 's/^unset osdi_enabled/set osdi_enabled/' "$NGHDL_SPINIT"
+            log "Enabled OSDI support in spinit"
+        fi
+        
+        if ! grep -q "IHP-Open-PDK" "$NGHDL_SPINIT" 2>/dev/null; then
+            # Add OSDI loading after the existing osdi block
+            echo "" >> "$NGHDL_SPINIT"
+            echo "* ========== IHP-Open-PDK OSDI Models ==========" >> "$NGHDL_SPINIT"
+            echo "if \$?osdi_enabled" >> "$NGHDL_SPINIT"
+            
+            # Add each OSDI file from IHP
+            for osdi_file in "$PDK_ROOT/ihp-sg13g2/libs.tech/ngspice/osdi"/*.osdi; do
+                if [[ -f "$osdi_file" ]]; then
+                    echo " osdi $osdi_file" >> "$NGHDL_SPINIT"
+                fi
+            done
+            
+            echo "end" >> "$NGHDL_SPINIT"
+            echo "* ========== End IHP-Open-PDK ==========" >> "$NGHDL_SPINIT"
+            log "Added IHP OSDI models to NGHDL spinit"
+        else
+            log "IHP models already configured in NGHDL spinit"
+        fi
+    else
+        log "⚠️ NGHDL spinit not found at $NGHDL_SPINIT"
+        log "   Please install NGHDL first, then re-run IHP installation"
+    fi
+    
+    log "✅ Spiceinit configuration complete"
+}
+
+
+### UNINSTALL FUNCTION ###
+
+uninstall_ihp() {
+    log "🧹 Removing IHP Open PDK installation..."
+    
+    # Remove PDK directory
+    if [[ -d "$PDK_DIR" ]]; then
+        rm -rf "$PDK_DIR"
+        echo "Removed $PDK_DIR"
+    fi
+    
+    # Remove OpenVAF symlink
+    if [[ -L "/usr/bin/openvaf" ]]; then
+        sudo rm -f /usr/bin/openvaf
+        echo "Removed /usr/bin/openvaf symlink"
+    fi
+    
+    # Clean up .bashrc (remove IHP section)
+    if grep -q "IHP Open PDK" "$BASHRC"; then
+        sed -i '/# --- IHP Open PDK/,/# --- End IHP Open PDK ---/d' "$BASHRC"
+        echo "Removed IHP entries from ~/.bashrc"
+    fi
+    
+    # Clean up NGHDL spinit (remove IHP section)
+    if [[ -f "$NGHDL_SPINIT" ]] && grep -q "IHP-Open-PDK" "$NGHDL_SPINIT"; then
+        sed -i '/IHP-Open-PDK/,/End IHP-Open-PDK/d' "$NGHDL_SPINIT"
+        echo "Removed IHP entries from NGHDL spinit"
+    fi
+    
+    log "✅ IHP Open PDK uninstalled successfully"
+}
+
+
+#####################################################################
+#                       MAIN ENTRY POINT                            #
+#####################################################################
+
+# Check command line arguments
+if [[ "$#" -ne 1 ]]; then
+    echo "USAGE:"
+    echo "  ./install-ihp-openpdk.sh --install"
+    echo "  ./install-ihp-openpdk.sh --uninstall"
+    exit 1
+fi
+
+case "$1" in
+    --install)
+        set -e  # Exit on error
+        set -E  # Inherit ERR trap
+        trap error_exit ERR
+        
+        echo ""
+        echo "╔══════════════════════════════════════════════════════════╗"
+        echo "║         IHP Open PDK Installation for eSim               ║"
+        echo "╚══════════════════════════════════════════════════════════╝"
+        echo ""
+        
+        # Check prerequisites
+        check_ngspice_osdi || exit 1
+        
+        # Run installation steps
+        install_ihp_dependencies
+        install_openpdk
+        install_openvaf
+        compile_verilog_models
+        configure_spiceinit
+        
+        # Deactivate virtualenv if active
+        [[ -n "$VIRTUAL_ENV" ]] && deactivate
+        
+        echo ""
+        echo "╔══════════════════════════════════════════════════════════╗"
+        echo "║     🎉 IHP Open PDK Installed Successfully! 🎉          ║"
+        echo "╚══════════════════════════════════════════════════════════╝"
+        echo ""
+        echo "➡️  Reload your terminal: source ~/.bashrc"
+        echo "➡️  Or restart your terminal"
+        echo ""
+        echo "To test IHP PDK in ngspice:"
+        echo "  1. Open ngspice"
+        echo "  2. Load an IHP testbench"
+        echo ""
+        ;;
+        
+    --uninstall)
+        uninstall_ihp
+        ;;
+        
+    *)
+        echo "Invalid option: $1"
+        echo "USAGE:"
+        echo "  ./install-ihp-openpdk.sh --install"
+        echo "  ./install-ihp-openpdk.sh --uninstall"
+        exit 1
+        ;;
+esac
+
+exit 0
diff --git a/library/kicadLibrary/eSim-symbols/eSim_IHP.kicad_sym b/library/kicadLibrary/eSim-symbols/eSim_IHP.kicad_sym
new file mode 100644
index 000000000..4bf014c20
--- /dev/null
+++ b/library/kicadLibrary/eSim-symbols/eSim_IHP.kicad_sym
@@ -0,0 +1,327 @@
+(kicad_symbol_lib
+  (version 20231120)
+  (generator "kicad_symbol_editor")
+  (generator_version "8.0")
+
+  (symbol "sg13_lv_nmos" (pin_names (offset 0.254)) (exclude_from_sim no) (in_bom yes) (on_board yes)
+    (property "Reference" "ihp" (at 2.54 2.54 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Value" "sg13_lv_nmos" (at 2.54 0 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Datasheet" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Sim.Device" "SUBCKT" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Sim.Pins" "1=d 2=g 3=s 4=b" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (symbol "sg13_lv_nmos_0_1"
+      (polyline (pts (xy 0.254 -2.54) (xy -2.032 -2.54)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.254 0) (xy -2.032 0)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.254 2.54) (xy -2.032 2.54)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy -2.032 -3.302) (xy -2.032 3.302)) (stroke (width 0.254) (type default)) (fill (type none)))
+      (polyline (pts (xy -2.794 -3.302) (xy -2.794 3.302)) (stroke (width 0.254) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.254 -2.54) (xy 0.254 -3.81) (xy 2.54 -3.81)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.254 2.54) (xy 0.254 3.81) (xy 2.54 3.81) (xy 2.54 5.08)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.254 0) (xy 2.54 0) (xy 2.54 -5.08)) (stroke (width 0) (type default)) (fill (type none)))
+      (circle (center 1.27 0) (radius 3.302) (stroke (width 0.254) (type default)) (fill (type background))))
+    (symbol "sg13_lv_nmos_1_1"
+      (pin passive line (at -5.08 0 0) (length 2.286) (name "G" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))))
+      (pin passive line (at 2.54 7.62 270) (length 2.54) (name "D" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))))
+      (pin passive line (at 2.54 -7.62 90) (length 2.54) (name "S" (effects (font (size 1.27 1.27)))) (number "3" (effects (font (size 1.27 1.27)))))
+      (pin passive line (at 5.08 -3.81 180) (length 2.54) (name "B" (effects (font (size 1.27 1.27)))) (number "4" (effects (font (size 1.27 1.27)))))))
+
+  (symbol "sg13_lv_pmos" (pin_names (offset 0.254)) (exclude_from_sim no) (in_bom yes) (on_board yes)
+    (property "Reference" "ihp" (at 2.54 2.54 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Value" "sg13_lv_pmos" (at 2.54 0 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Datasheet" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Sim.Device" "SUBCKT" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Sim.Pins" "1=d 2=g 3=s 4=b" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (symbol "sg13_lv_pmos_0_1"
+      (polyline (pts (xy 0.254 -2.54) (xy -2.032 -2.54)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.254 0) (xy -2.032 0)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.254 2.54) (xy -2.032 2.54)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy -2.032 -3.302) (xy -2.032 3.302)) (stroke (width 0.254) (type default)) (fill (type none)))
+      (polyline (pts (xy -2.794 -3.302) (xy -2.794 3.302)) (stroke (width 0.254) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.254 2.54) (xy 0.254 3.81) (xy 2.54 3.81)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.254 -2.54) (xy 0.254 -3.81) (xy 2.54 -3.81) (xy 2.54 -5.08)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.254 0) (xy 2.54 0) (xy 2.54 5.08)) (stroke (width 0) (type default)) (fill (type none)))
+      (circle (center -3.556 0) (radius 0.508) (stroke (width 0) (type default)) (fill (type none)))
+      (circle (center 1.27 0) (radius 3.302) (stroke (width 0.254) (type default)) (fill (type background))))
+    (symbol "sg13_lv_pmos_1_1"
+      (pin passive line (at -5.08 0 0) (length 1.27) (name "G" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))))
+      (pin passive line (at 2.54 -7.62 90) (length 2.54) (name "D" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))))
+      (pin passive line (at 2.54 7.62 270) (length 2.54) (name "S" (effects (font (size 1.27 1.27)))) (number "3" (effects (font (size 1.27 1.27)))))
+      (pin passive line (at 5.08 3.81 180) (length 2.54) (name "B" (effects (font (size 1.27 1.27)))) (number "4" (effects (font (size 1.27 1.27)))))))
+
+  (symbol "sg13_hv_nmos" (extends "sg13_lv_nmos")
+    (property "Reference" "ihp" (at 2.54 2.54 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Value" "sg13_hv_nmos" (at 2.54 0 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Datasheet" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide)))
+
+  (symbol "sg13_hv_pmos" (extends "sg13_lv_pmos")
+    (property "Reference" "ihp" (at 2.54 2.54 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Value" "sg13_hv_pmos" (at 2.54 0 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Datasheet" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide)))
+
+  (symbol "npn13G2" (pin_names (offset 1.016) hide) (exclude_from_sim no) (in_bom yes) (on_board yes)
+    (property "Reference" "ihp" (at 5.08 1.905 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Value" "npn13G2" (at 5.08 0 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Datasheet" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Sim.Device" "SUBCKT" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Sim.Pins" "1=c 2=b 3=e 4=bn" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (symbol "npn13G2_0_1"
+      (polyline (pts (xy 2.54 2.54) (xy 0.508 1.27)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.508 -1.27) (xy 2.54 -2.54)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.508 -1.27) (xy 1.778 -1.778) (xy 1.27 -2.286)) (stroke (width 0) (type default)) (fill (type outline)))
+      (polyline (pts (xy 0.508 -2.032) (xy 0.508 2.032)) (stroke (width 0.254) (type default)) (fill (type none)))
+      (circle (center 1.27 0) (radius 2.8194) (stroke (width 0.254) (type default)) (fill (type background))))
+    (symbol "npn13G2_1_1"
+      (pin passive line (at 2.54 5.08 270) (length 2.54) (name "C" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))))
+      (pin input line (at -2.54 0 0) (length 3.048) (name "B" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))))
+      (pin passive line (at 2.54 -5.08 90) (length 2.54) (name "E" (effects (font (size 1.27 1.27)))) (number "3" (effects (font (size 1.27 1.27)))))
+      (pin passive line (at 5.08 0 180) (length 2.54) (name "BN" (effects (font (size 1.27 1.27)))) (number "4" (effects (font (size 1.27 1.27)))))))
+
+  (symbol "npn13G2_5t" (pin_names (offset 1.016) hide) (exclude_from_sim no) (in_bom yes) (on_board yes)
+    (property "Reference" "ihp" (at 5.08 1.905 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Value" "npn13G2_5t" (at 5.08 0 0) (effects (font (size 1.27 1.27)) (justify left)))
+    (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Datasheet" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Sim.Device" "SUBCKT" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Sim.Pins" "1=c 2=b 3=e 4=bn 5=t" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (symbol "npn13G2_5t_0_1"
+      (polyline (pts (xy 2.54 2.54) (xy 0.508 1.27)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.508 -1.27) (xy 2.54 -2.54)) (stroke (width 0) (type default)) (fill (type none)))
+      (polyline (pts (xy 0.508 -1.27) (xy 1.778 -1.778) (xy 1.27 -2.286)) (stroke (width 0) (type default)) (fill (type outline)))
+      (polyline (pts (xy 0.508 -2.032) (xy 0.508 2.032)) (stroke (width 0.254) (type default)) (fill (type none)))
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+    (symbol "npn13G2_5t_1_1"
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+  (symbol "Rparasitic" (pin_numbers hide) (pin_names (offset 0)) (exclude_from_sim no) (in_bom yes) (on_board yes)
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+  (symbol "isolbox" (pin_names (offset 1.016)) (exclude_from_sim no) (in_bom yes) (on_board yes)
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+    (property "Sim.Pins" "1=isosub 2=NWell 3=bn" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
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+  (symbol "nmoscl_2" (pin_names (offset 1.016)) (exclude_from_sim no) (in_bom yes) (on_board yes)
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+    (property "Sim.Pins" "1=VDD 2=VSS" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
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+
+  (symbol "nmoscl_4" (pin_names (offset 1.016)) (exclude_from_sim no) (in_bom yes) (on_board yes)
+    (property "Reference" "ihp" (at 0 5.08 0) (effects (font (size 1.27 1.27))))
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+    (symbol "nmoscl_4_0_1"
+      (rectangle (start -3.81 3.81) (end 3.81 -3.81) (stroke (width 0.254) (type default)) (fill (type background)))
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+  (symbol "bondpad" (pin_names (offset 1.016)) (exclude_from_sim no) (in_bom yes) (on_board yes)
+    (property "Reference" "ihp" (at 0 3.81 0) (effects (font (size 1.27 1.27))))
+    (property "Value" "bondpad" (at 0 -3.81 0) (effects (font (size 1.27 1.27))))
+    (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Datasheet" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Sim.Device" "SUBCKT" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (property "Sim.Pins" "1=PAD" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
+    (symbol "bondpad_0_1"
+      (rectangle (start -2.54 2.54) (end 2.54 -2.54) (stroke (width 0.254) (type default)) (fill (type background))))
+    (symbol "bondpad_1_1"
+      (pin passive line (at -5.08 0 0) (length 2.54) (name "PAD" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))))))
+)
diff --git a/library/kicadLibrary/template/sym-lib-table b/library/kicadLibrary/template/sym-lib-table
index bfc9be70e..8920e291f 100644
--- a/library/kicadLibrary/template/sym-lib-table
+++ b/library/kicadLibrary/template/sym-lib-table
@@ -214,6 +214,7 @@
   (lib (name "eSim_Ngveri")(type "KiCad")(uri "${KICAD6_SYMBOL_DIR}/eSim_Ngveri.kicad_sym")(options "")(descr ""))
   (lib (name "eSim_Plot")(type "KiCad")(uri "${KICAD6_SYMBOL_DIR}/eSim_Plot.kicad_sym")(options "")(descr ""))
   (lib (name "eSim_Power")(type "KiCad")(uri "${KICAD6_SYMBOL_DIR}/eSim_Power.kicad_sym")(options "")(descr ""))
+  (lib (name "eSim_IHP")(type "KiCad")(uri "${KICAD6_SYMBOL_DIR}/eSim_IHP.kicad_sym")(options "")(descr "IHP SG13G2 Open PDK Symbols"))
   (lib (name "eSim_SKY130")(type "KiCad")(uri "${KICAD6_SYMBOL_DIR}/eSim_SKY130.kicad_sym")(options "")(descr ""))
   (lib (name "eSim_SKY130_Subckts")(type "KiCad")(uri "${KICAD6_SYMBOL_DIR}/eSim_SKY130_Subckts.kicad_sym")(options "")(descr ""))
   (lib (name "eSim_Sources")(type "KiCad")(uri "${KICAD6_SYMBOL_DIR}/eSim_Sources.kicad_sym")(options "")(descr ""))
diff --git a/src/kicadtoNgspice/Convert.py b/src/kicadtoNgspice/Convert.py
index 66f8a7c0f..8f9240f88 100755
--- a/src/kicadtoNgspice/Convert.py
+++ b/src/kicadtoNgspice/Convert.py
@@ -641,6 +641,55 @@ def addDeviceLibrary(self, schematicInfo, kicadFile):
                     # print("Found Library line")
                     index = schematicInfo.index(eachline)
                     completeLibPath = deviceLibList[words[0]]
+
+                    # Handle IHP components
+                    # Detection: ihp prefix, sg13/npn13 in model, or known IHP device names
+                    model_name = words[-1].lower() if len(words) > 1 else ""
+                    ihp_known_devices = ['rppd', 'rhigh', 'rsil', 'ptap1', 'ntap1', 
+                                        'dantenna', 'dpantenna', 'isolbox', 'pnpmpa',
+                                        'nmoscl_2', 'nmoscl_4', 'cparasitic', 'dpwdnw', 'ddnwpsub']
+                    is_ihp_device = (
+                        eachline[0:3] == 'ihp' or
+                        'sg13' in model_name or
+                        'npn13' in model_name or
+                        model_name.startswith('cap_') or
+                        model_name in ihp_known_devices
+                    )
+                    
+                    if is_ihp_device and eachline[0:7] != 'ihpmode':
+                        # Parse the per-device tracking data: lib_path:corner:params
+                        ihp_parts = completeLibPath.split(':')
+                        ihp_lib_path = ihp_parts[0] if len(ihp_parts) > 0 else ""
+                        ihp_corner = ihp_parts[1] if len(ihp_parts) > 1 else "mos_tt"
+                        ihp_params = ihp_parts[2] if len(ihp_parts) > 2 else ""
+                        
+                        print("==============================================")
+                        print(f"IHP Device: {words[0]}")
+                        print(f"  Library: {ihp_lib_path}")
+                        print(f"  Corner: {ihp_corner}")
+                        print(f"  Params: {ihp_params}")
+                        
+                        # Add .lib include for this device's corner
+                        if ihp_lib_path and os.path.exists(ihp_lib_path):
+                            lib_include = f'.lib "{ihp_lib_path}" {ihp_corner}'
+                            if lib_include not in includeLine:
+                                includeLine.append(lib_include)
+                                print(f"  Added: {lib_include}")
+                        
+                        # Convert ihp prefix to xihp and add params
+                        words[0] = words[0].replace('ihp', 'xihp')
+                        if ihp_params:
+                            words.append(ihp_params)
+                        deviceLine[index] = words
+                        print("==============================================")
+                        continue
+                    
+                    # Legacy ihpmode handling (for backward compatibility)
+                    if eachline[0:7] == 'ihpmode':
+                        deviceLine[index] = "*ihpmode (legacy)"
+                        continue
+                    
+                    # Standard processing for non-IHP components
                     (libpath, libname) = os.path.split(completeLibPath)
                     # print("Library Path :", libpath)
                     # Copying library from devicemodelLibrary to Project Path
diff --git a/src/kicadtoNgspice/DeviceModel.py b/src/kicadtoNgspice/DeviceModel.py
index ccbe89865..07adce3ac 100755
--- a/src/kicadtoNgspice/DeviceModel.py
+++ b/src/kicadtoNgspice/DeviceModel.py
@@ -68,7 +68,24 @@ def __init__(self, schematicInfo, clarg1):
         self.grid = QtWidgets.QGridLayout()
         self.setLayout(self.grid)
         # print("Reading Device model details from Schematic")
-        if "sky130" in " ".join(schematicInfo):
+        # Check for IHP SG13G2 PDK first - be specific to avoid false matches
+        # Look for component lines starting with 'ihp' or models containing 'sg13_'
+        has_ihp = False
+        for line in schematicInfo:
+            words = line.split()
+            if len(words) >= 2:
+                # Check if reference starts with 'ihp' (ihp1, ihp2, etc.)
+                if words[0].startswith('ihp'):
+                    has_ihp = True
+                    break
+                # Check if model name contains 'sg13_' (sg13_lv_nmos, etc.)
+                if 'sg13_' in words[-1].lower():
+                    has_ihp = True
+                    break
+        
+        if has_ihp:
+            self.eSim_ihp(schematicInfo)
+        elif "sky130" in " ".join(schematicInfo):
             self.eSim_sky130(schematicInfo)
         else:
             self.eSim_general_libs(schematicInfo)
@@ -246,6 +263,310 @@ def eSim_sky130(self, schematicInfo):
 
             self.show()
 
+    def eSim_ihp(self, schematicInfo):
+        """
+        Handle IHP SG13G2 PDK components.
+        Each IHP device gets its own library selection UI with:
+        - Library path + Add/Add Default buttons
+        - Corner selection dropdown
+        - Device parameters (W, L, nf)
+        """
+        # IHP Corner options for different device types
+        self.ihp_corner_options = {
+            'mos': ['mos_tt', 'mos_ff', 'mos_ss', 'mos_sf', 'mos_fs'],
+            'res': ['res_typ', 'res_bcs', 'res_wcs'],
+            'cap': ['cap_typ', 'cap_bcs', 'cap_wcs'],
+            'dio': ['dio_tt', 'dio_ss', 'dio_ff'],
+            'hbt': ['hbt_typ', 'hbt_bcs', 'hbt_wcs'],
+        }
+        
+        # Map model names to (corner_file, corner_type)
+        # This enables auto-detection of the correct corner library
+        self.ihp_model_to_corner = {
+            # MOS Low-Voltage
+            'sg13_lv_nmos': ('cornerMOSlv.lib', 'mos'),
+            'sg13_lv_pmos': ('cornerMOSlv.lib', 'mos'),
+            'nmoscl_2': ('cornerMOSlv.lib', 'mos'),
+            'nmoscl_4': ('cornerMOSlv.lib', 'mos'),
+            # MOS High-Voltage
+            'sg13_hv_nmos': ('cornerMOShv.lib', 'mos'),
+            'sg13_hv_pmos': ('cornerMOShv.lib', 'mos'),
+            # Resistors
+            'rppd': ('cornerRES.lib', 'res'),
+            'rhigh': ('cornerRES.lib', 'res'),
+            'rsil': ('cornerRES.lib', 'res'),
+            'ptap1': ('cornerRES.lib', 'res'),
+            'ntap1': ('cornerRES.lib', 'res'),
+            'rparasitic': ('cornerRES.lib', 'res'),
+            # Capacitors
+            'cap_cmim': ('cornerCAP.lib', 'cap'),
+            'cap_rfcmim': ('cornerCAP.lib', 'cap'),
+            'cparasitic': ('cornerCAP.lib', 'cap'),
+            # Diodes
+            'dantenna': ('cornerDIO.lib', 'dio'),
+            'dpantenna': ('cornerDIO.lib', 'dio'),
+            'dpwdnw': ('cornerDIO.lib', 'dio'),
+            'ddnwpsub': ('cornerDIO.lib', 'dio'),
+            'isolbox': ('cornerDIO.lib', 'dio'),
+            # HBT (Bipolar)
+            'npn13g2': ('cornerHBT.lib', 'hbt'),
+            'npn13g2_5t': ('cornerHBT.lib', 'hbt'),
+            'npn13g2l': ('cornerHBT.lib', 'hbt'),
+            'npn13g2l_5t': ('cornerHBT.lib', 'hbt'),
+            'npn13g2v': ('cornerHBT.lib', 'hbt'),
+            'npn13g2v_5t': ('cornerHBT.lib', 'hbt'),
+            'pnpmpa': ('cornerHBT.lib', 'hbt'),
+        }
+        
+        # Process each IHP component
+        for eachline in schematicInfo:
+            words = eachline.split()
+            if len(words) < 2:
+                continue
+                
+            # Skip non-IHP components and comments
+            if eachline[0] == '*' or eachline[0] == '.':
+                continue
+            
+            # Check if this is an IHP device
+            # Detection methods:
+            # 1. Reference starts with 'ihp' prefix
+            # 2. Model name is in our mapping dictionary
+            # 3. Model contains 'sg13' or 'npn13' or known IHP names
+            model_name = words[-1].lower() if len(words) > 1 else ""
+            is_ihp_device = (
+                eachline[0:3] == 'ihp' or  # Reference prefix
+                model_name in self.ihp_model_to_corner or  # Known model
+                'sg13' in model_name or  # SG13 MOS
+                'npn13' in model_name or  # HBT
+                model_name.startswith('cap_') or  # Capacitors
+                model_name in ['rppd', 'rhigh', 'rsil', 'ptap1', 'ntap1', 
+                              'dantenna', 'dpantenna', 'isolbox', 'pnpmpa']
+            )
+            
+            # Skip ihpmode marker lines (legacy support)
+            if eachline[0:7] == 'ihpmode':
+                continue
+                
+            if not is_ihp_device:
+                continue
+                
+            print("=========================================")
+            print("IHP Device found:", eachline)
+            
+            device_ref = words[0]  # e.g., ihp1
+            device_model = words[-1]  # e.g., sg13_lv_pmos
+            
+            # Determine corner file based on model
+            corner_file, corner_type = self.ihp_model_to_corner.get(
+                device_model.lower(), ('cornerMOSlv.lib', 'mos'))
+            
+            # Create device panel
+            self.devicemodel_dict_beg[device_ref] = self.count
+            self.deviceDetail[self.count] = device_ref
+            
+            ihpbox = QtWidgets.QGroupBox()
+            ihpgrid = QtWidgets.QGridLayout()
+            beg = self.count
+            
+            ihpbox.setTitle(f"IHP Device: {device_ref} ({device_model})")
+            
+            row = 0
+            
+            # Row 1: Library Path with Add and Add Default buttons
+            self.parameterLabel[self.count] = QtWidgets.QLabel("Library Path:")
+            ihpgrid.addWidget(self.parameterLabel[self.count], row, 0)
+            
+            self.entry_var[self.count] = QtWidgets.QLineEdit()
+            self.entry_var[self.count].setReadOnly(True)
+            self.entry_var[self.count].setObjectName(f"{beg}")
+            
+            # Store corner file info for this device
+            self.entry_var[self.count].setProperty("corner_file", corner_file)
+            self.entry_var[self.count].setProperty("device_ref", device_ref)
+            
+            # Load previous value OR set default
+            lib_path_set = False
+            for child in self.root:
+                if child.tag == device_ref:
+                    try:
+                        if child[0].text and os.path.exists(child[0].text):
+                            self.entry_var[self.count].setText(child[0].text)
+                            lib_path_set = True
+                    except:
+                        pass
+            
+            # If no previous value, auto-fill with default path
+            if not lib_path_set:
+                pdk_root = os.environ.get('PDK_ROOT',
+                    os.path.expanduser('~/ihp/IHP-Open-PDK'))
+                default_lib_path = os.path.join(pdk_root,
+                    "ihp-sg13g2/libs.tech/ngspice/models", corner_file)
+                if os.path.exists(default_lib_path):
+                    self.entry_var[self.count].setText(default_lib_path)
+            
+            ihpgrid.addWidget(self.entry_var[self.count], row, 1)
+            
+            # Add button
+            addbtn = QtWidgets.QPushButton("Add")
+            addbtn.setObjectName(f"{beg}")
+            addbtn.clicked.connect(self.trackIHPDeviceLibrary)
+            ihpgrid.addWidget(addbtn, row, 2)
+            
+            # Add Default button
+            adddefaultbtn = QtWidgets.QPushButton("Default")
+            adddefaultbtn.setObjectName(f"{beg}")
+            adddefaultbtn.setProperty("corner_file", corner_file)
+            adddefaultbtn.clicked.connect(self.trackDefaultIHPDeviceLib)
+            ihpgrid.addWidget(adddefaultbtn, row, 3)
+            
+            self.count += 1
+            row += 1
+            
+            # Row 2: Corner Selection Dropdown
+            self.parameterLabel[self.count] = QtWidgets.QLabel("Corner:")
+            ihpgrid.addWidget(self.parameterLabel[self.count], row, 0)
+            
+            corner_combo = QtWidgets.QComboBox()
+            corner_combo.setObjectName(f"{beg}")
+            corner_combo.addItems(self.ihp_corner_options.get(corner_type, ['mos_tt']))
+            corner_combo.setCurrentIndex(0)  # Default to first (typ/tt)
+            
+            # Load previous corner if exists
+            for child in self.root:
+                if child.tag == device_ref:
+                    try:
+                        if child[1].text:
+                            idx = corner_combo.findText(child[1].text)
+                            if idx >= 0:
+                                corner_combo.setCurrentIndex(idx)
+                    except:
+                        pass
+            
+            corner_combo.currentTextChanged.connect(self.ihpCornerChanged)
+            self.entry_var[self.count] = corner_combo
+            ihpgrid.addWidget(corner_combo, row, 1)
+            
+            self.count += 1
+            row += 1
+            
+            # Row 3: Device Parameters (W, L, nf)
+            self.parameterLabel[self.count] = QtWidgets.QLabel("Parameters:")
+            ihpgrid.addWidget(self.parameterLabel[self.count], row, 0)
+            
+            param_entry = QtWidgets.QLineEdit()
+            param_entry.setPlaceholderText("e.g., W=1u L=130n nf=1")
+            param_entry.setObjectName(f"{beg}")
+            
+            # Load previous parameters if exists
+            for child in self.root:
+                if child.tag == device_ref:
+                    try:
+                        if child[2].text:
+                            param_entry.setText(child[2].text)
+                    except:
+                        pass
+            
+            param_entry.textChanged.connect(self.ihpParamChanged)
+            self.entry_var[self.count] = param_entry
+            ihpgrid.addWidget(param_entry, row, 1, 1, 3)
+            
+            # Track this device with default values
+            lib_path = self.entry_var[beg].text()
+            corner = corner_combo.currentText()
+            params = param_entry.text()
+            if lib_path:
+                self.obj_trac.deviceModelTrack[device_ref] = f"{lib_path}:{corner}:{params}"
+            
+            ihpbox.setLayout(ihpgrid)
+            ihpbox.setStyleSheet("""
+                QGroupBox { border: 1px solid #4a86c7; border-radius: 9px;
+                            margin-top: 0.5em; background-color: #f0f8ff; }
+                QGroupBox::title { subcontrol-origin: margin; left: 10px;
+                                  padding: 0 3px 0 3px; color: #2c5aa0; }
+            """)
+            self.grid.addWidget(ihpbox)
+            
+            self.row += 1
+            self.devicemodel_dict_end[device_ref] = self.count
+            self.count += 1
+            
+        self.show()
+
+    def trackDefaultIHPDeviceLib(self):
+        """Set default IHP PDK library path for a specific device."""
+        sending_btn = self.sender()
+        self.widgetObjCount = int(sending_btn.objectName())
+        corner_file = sending_btn.property("corner_file")
+        
+        # Build default path
+        pdk_root = os.environ.get('PDK_ROOT',
+            os.path.expanduser('~/ihp/IHP-Open-PDK'))
+        lib_path = os.path.join(pdk_root,
+            "ihp-sg13g2/libs.tech/ngspice/models", corner_file)
+        
+        self.entry_var[self.widgetObjCount].setText(lib_path)
+        self.deviceName = self.deviceDetail[self.widgetObjCount]
+        
+        # Get corner from combo (next widget)
+        corner = self.entry_var[self.widgetObjCount + 1].currentText()
+        # Get params (next next widget)
+        params = self.entry_var[self.widgetObjCount + 2].text()
+        
+        self.obj_trac.deviceModelTrack[self.deviceName] = f"{lib_path}:{corner}:{params}"
+        print(f"IHP Default set: {self.deviceName} -> {self.obj_trac.deviceModelTrack[self.deviceName]}")
+
+    def trackIHPDeviceLibrary(self):
+        """Browse for IHP PDK library file for a specific device."""
+        sending_btn = self.sender()
+        self.widgetObjCount = int(sending_btn.objectName())
+        
+        self.libfile = QtCore.QDir.toNativeSeparators(
+            QtWidgets.QFileDialog.getOpenFileName(
+                self, "Select IHP Corner Library File",
+                os.path.expanduser("~/ihp"),
+                "Library Files (*.lib);;All Files (*)"
+            )[0]
+        )
+        
+        if not self.libfile:
+            return
+        
+        self.entry_var[self.widgetObjCount].setText(self.libfile)
+        self.deviceName = self.deviceDetail[self.widgetObjCount]
+        
+        # Get corner and params
+        corner = self.entry_var[self.widgetObjCount + 1].currentText()
+        params = self.entry_var[self.widgetObjCount + 2].text()
+        
+        self.obj_trac.deviceModelTrack[self.deviceName] = f"{self.libfile}:{corner}:{params}"
+        print(f"IHP Library set: {self.deviceName} -> {self.obj_trac.deviceModelTrack[self.deviceName]}")
+
+    def ihpCornerChanged(self, corner):
+        """Handle IHP corner selection change."""
+        sending_combo = self.sender()
+        beg = int(sending_combo.objectName())
+        self.deviceName = self.deviceDetail[beg]
+        
+        lib_path = self.entry_var[beg].text()
+        params = self.entry_var[beg + 2].text()
+        
+        if lib_path:
+            self.obj_trac.deviceModelTrack[self.deviceName] = f"{lib_path}:{corner}:{params}"
+            print(f"IHP Corner changed: {self.deviceName} -> {corner}")
+
+    def ihpParamChanged(self, params):
+        """Handle IHP parameter change."""
+        sending_entry = self.sender()
+        beg = int(sending_entry.objectName())
+        self.deviceName = self.deviceDetail[beg]
+        
+        lib_path = self.entry_var[beg].text()
+        corner = self.entry_var[beg + 1].currentText()
+        
+        if lib_path:
+            self.obj_trac.deviceModelTrack[self.deviceName] = f"{lib_path}:{corner}:{params}"
+
     def eSim_general_libs(self, schematicInfo):
         for eachline in schematicInfo:
             print("=========================================")
@@ -703,7 +1024,18 @@ def textChange(self):
         # str(self.entry_var[self.widgetObjCount].text()) + \
         #         ":" + "W=" + width + " L=" + length + " M=" + multifactor
 
-        if self.deviceName[0:6] == 'scmode':
+        if self.deviceName[0:7] == 'ihpmode':
+            # IHP mode: path:corner format
+            self.obj_trac.deviceModelTrack[self.deviceName] = \
+                self.entry_var[self.widgetObjCount].text() + \
+                ":" + str(self.entry_var[self.widgetObjCount + 1].text())
+            print("IHP mode tracked:", self.obj_trac.deviceModelTrack[self.deviceName])
+        elif self.deviceName[0:3] == 'ihp':
+            # IHP component: store parameters directly (e.g., W=1u L=130n nf=1)
+            self.obj_trac.deviceModelTrack[self.deviceName] = str(
+                self.entry_var[self.widgetObjCount].text())
+            print("IHP component tracked:", self.obj_trac.deviceModelTrack[self.deviceName])
+        elif self.deviceName[0:6] == 'scmode':
             self.obj_trac.deviceModelTrack[self.deviceName] = \
                 self.entry_var[self.widgetObjCount].text() + \
                 ":" + str(self.entry_var[self.widgetObjCount + 1].text())
diff --git a/src/kicadtoNgspice/KicadtoNgspice.py b/src/kicadtoNgspice/KicadtoNgspice.py
index e018143fe..8f371637a 100644
--- a/src/kicadtoNgspice/KicadtoNgspice.py
+++ b/src/kicadtoNgspice/KicadtoNgspice.py
@@ -612,8 +612,13 @@ def callConvert(self):
             end = obj_devicemodel.devicemodel_dict_end[device]
 
             while it <= end:
-                ET.SubElement(attr_var, "field").text = \
-                    str(obj_devicemodel.entry_var[it].text())
+                widget = obj_devicemodel.entry_var[it]
+                # Handle both QComboBox (uses currentText) and QLineEdit (uses text)
+                if hasattr(widget, 'currentText'):
+                    widget_text = str(widget.currentText())
+                else:
+                    widget_text = str(widget.text())
+                ET.SubElement(attr_var, "field").text = widget_text
                 it = it + 1
 
         # Writing Subcircuit values
diff --git a/src/kicadtoNgspice/Processing.py b/src/kicadtoNgspice/Processing.py
index 11c95965c..94de9440c 100644
--- a/src/kicadtoNgspice/Processing.py
+++ b/src/kicadtoNgspice/Processing.py
@@ -138,7 +138,8 @@ def insertSpecialSourceParam(self, schematicInfo, sourcelist):
             words = compline.split()
             compName = words[0]
             # Ask for parameters of source
-            if compName[0] == 'v' or compName[0] == 'i':
+            # Skip IHP components that start with 'ihp' (not current sources)
+            if (compName[0] == 'v' or compName[0] == 'i') and not compName.startswith('ihp'):
                 # Find the index component from circuit
                 index = schematicInfo.index(compline)
                 if words[3] == "pulse":