grabowski
915d460a3d
- Add example-project_bom_v1.0.0_2024-08-04.csv with complete STM32F401-based design - Include all requested fields: Designator, Qty, MPN, Manufacturer, Package, Description, RoHS - Add comprehensive supplier part numbers for Digi-Key, Mouser, and LCSC - Include additional technical fields: Value, Tolerance, Voltage/Power Rating, Temperature Range - Add pricing information and datasheet URLs for complete component traceability - Cover typical hardware components: MCU, power regulation, connectors, passives, LEDs, test points - Update hardware/bom/README.md with detailed field descriptions and example reference - Follow file naming conventions with semantic versioning and YYYY-MM-DD date format - Provide multi-sourcing flexibility for component procurement and PCB assembly services
103 lines
3.5 KiB
Markdown
103 lines
3.5 KiB
Markdown
# /hardware/bom
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Bill of Materials for your KiCad project.
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## Purpose
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This directory contains Bill of Materials (BOM) files generated from your KiCad schematic and additional BOM-related documentation.
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## File Types
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- **`.csv`**: Comma-separated values format (most common)
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- **`.xlsx`**: Excel spreadsheet format
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- **`.xml`**: XML format for automated processing
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- **`.html`**: HTML format for web viewing
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- **`.pdf`**: PDF format for documentation
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## Generating BOM from KiCad
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1. Open your schematic (`.kicad_sch`)
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2. Go to **Tools → Generate Bill of Materials**
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3. Select or configure a BOM plugin
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4. Set output directory to `hardware/bom/`
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5. Click **Generate**
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## Recommended BOM Formats
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### Basic BOM (`ProjectName-BOM.csv`)
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- Reference designators
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- Values
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- Footprints
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- Quantities
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- Manufacturer part numbers
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- Supplier part numbers
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### Extended BOM (`ProjectName-BOM-Extended.xlsx`)
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- All basic information plus:
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- Descriptions
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- Manufacturer names
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- Supplier links
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- Pricing information
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- Stock availability
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- Alternative parts
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## BOM Structure and Fields
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### Required Fields
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- **Designator**: Component reference (R1, C1, U1, etc.)
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- **Qty**: Quantity required
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- **Manufacturer Part Number**: Official MPN from manufacturer
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- **Manufacturer**: Component manufacturer name
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- **Package**: Physical package/footprint
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- **Description**: Detailed component description
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- **RoHS**: RoHS compliance status (Yes/No)
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### Additional Recommended Fields
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- **Value**: Component value (10K, 100nF, etc.)
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- **Tolerance**: Component tolerance (1%, 5%, etc.)
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- **Voltage Rating**: Maximum voltage rating
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- **Power Rating**: Power dissipation rating
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- **Temperature Range**: Operating temperature range
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- **Unit Price**: Cost per unit in USD
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- **Extended Price**: Total cost (Qty × Unit Price)
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- **Datasheet URL**: Link to manufacturer datasheet
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- **Notes**: Assembly notes and component purpose
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### Supplier Part Numbers
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- **Digi-Key Part Number**: Digi-Key supplier part number
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- **Mouser Part Number**: Mouser Electronics part number
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- **LCSC Part Number**: LCSC (JLCPCB) part number for PCB assembly
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### Example BOM Structure
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See `example-project_bom_v1.0.0_2024-08-04.csv` for a complete example BOM with all recommended fields including:
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- STM32F401 microcontroller-based design
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- Power regulation circuit
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- USB and power connectors
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- Status LEDs and user interface
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- Test points for debugging
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- Multiple supplier part numbers for sourcing flexibility
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## BOM Management Best Practices
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- Include manufacturer part numbers (MPN)
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- Add supplier part numbers for purchasing
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- Include alternative/substitute parts
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- Document any special requirements
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- Update BOM with design changes
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- Version control BOM files
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- Include pricing and availability data
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## KiCad BOM Plugins
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- **bom_csv_grouped_by_value**: Groups components by value
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- **bom_csv_sorted_by_ref**: Sorts by reference designator
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- **kibom**: Advanced BOM generator with many options
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- **InteractiveHtmlBom**: Creates interactive HTML BOMs
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## File Naming Convention
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Following [FILE-NAMING-AND-VERSIONING.md](../../FILE-NAMING-AND-VERSIONING.md) standards:
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- `project-name_bom_v1.0.0_2024-08-04.csv` - Basic BOM
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- `project-name_bom-extended_v1.0.0_2024-08-04.xlsx` - Detailed BOM with pricing
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- `project-name_bom-assembly_v1.0.0_2024-08-04.csv` - Assembly-specific BOM
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- `project-name_bom-production_v2.1.0_2024-08-04.csv` - Production BOM
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### Versioning Strategy
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- **MAJOR**: Component changes affecting compatibility
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- **MINOR**: Component value changes, new optional components
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- **PATCH**: Documentation updates, supplier changes
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