KiCAD Component Manager

KiCAD Component Manager is a plugin for KiCAD that takes the pain out of managing component libraries when you’re sourcing parts from LCSC.

A KiCad plugin for downloading and managing LCSC components with integrated BOM management.

Library Manager

Component Import

• Quick import: enter LCSC part number and press Enter
• Bulk import: paste lists or load from file
• CLI support: python gui2.py -i C1234 or -I parts.txt
• Automatic duplicate detection

Organization

• ~32 curated KiCAD symbol libraries with intelligent category mapping
• Pre-created libraries eliminate need for KiCAD restart
• Raw LCSC category preserved on symbol for detailed searching
• Non-KiCAD categories automatically filtered

Download Management

• Live progress tracking: Symbol, Footprint, STEP, PDF, JLC data
• Individual step retry by clicking cell
• Automatic deduplication of footprints and STEP models
• Smart 3D model offset correction (>50% deviation detected)

PDF Handling

• Auto-rejects placeholder PDFs under 10 KB
• Falls back to LCSC product URL when unavailable
• Optional disable via settings

Library Tools

• Load and inspect existing libraries
• Delete parts (symbol, footprint, STEP, PDF) in one click
• Recent library locations dropdown
• Full metadata editing and viewing

BOM Manager

Requires KiCad plugin installation

Component Detection

• Automatic PCB component reading
• Smart grouping by part with designators and quantities
• Flexible LCSC field detection (supports 8+ field name variants)
• Fallback pattern matching for Cxxxx format

Status & Pricing

• Real-time part state visualization (symbol, footprint, STEP, PDF, JLC)
• Running total BOM cost
• JLCPCB API integration for pricing and stock
• Selective or bulk price/stock updates

Part Management

• Assign LCSC numbers to ungrouped components
• Replace library parts with freshly downloaded versions
• Direct metadata editing in table
• CSV export

Technical

Installation

• KiCad PCM (recommended): self-contained, auto-installs dependencies
• Symlink install: Linux repo users
• Standalone CLI: without KiCAD integration

Backend

• easyeda2kicad.py for robust conversion
• LCSC and JLCPCB API integration
• PySide6 GUI with configurable columns and sorting
• Full debug logging to ~/.lcsc2kicad_plugin.log

Platform Support

• Windows, Linux, macOS
• KiCad 10.0+
• Automatic Python detection