CH32V003J4M6

{
  "slug": "ch32v003j4m6",
  "version": "0.1.0",
  "type": "component",
  "description": "WCH Jiangsu Qin Heng Microcontrollers (MCU/MPU/SOC), SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "ch32v003j4m6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ch32v003j4m6.kicad_sym",
    "ch32v003j4m6.kicad_mod",
    "ch32v003j4m6.glb",
    "ch32v003j4m6.step",
    "ch32v003j4m6.lbr",
    "docs/hero.png",
    "docs/ch32v003j4m6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ch32v003j4m6-hero.glb",
    "ch32v003j4m6-hero.overlay.json",
    "ch32v003j4m6-etched.glb"
  ],
  "component": {
    "mpn": "CH32V003J4M6",
    "manufacturer": "WCH Jiangsu Qin Heng",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757221841708826624",
    "parts": {
      "symbol": "ch32v003j4m6.kicad_sym",
      "footprint": "ch32v003j4m6.kicad_mod",
      "model_3d": "ch32v003j4m6-hero.glb",
      "model_3d_plain": "ch32v003j4m6-etched.glb",
      "model_3d_step": "ch32v003j4m6-etched.step",
      "model_3d_step_plain": "ch32v003j4m6.step",
      "lbr": "ch32v003j4m6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5346354"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:20:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PD6",
        "type": "bidirectional",
        "description": "I/O/A pin whose default function is PD6, with URX/A6 as its default multiplexed functions (A6 is ADC input channel 6) and T2CH3_3/UTX_2 as remap options."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference; the datasheet states all voltages are referenced to VSS."
      },
      {
        "number": "3",
        "name": "PA2",
        "type": "bidirectional",
        "description": "I/O/A pin whose default function is PA2, with A0/OPP0 and OSCO/T1CH2N as default multiplexed functions (A0 is ADC input channel 0)."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin: VDD = 2.7 to 5.5 V powers the I/O pins and the internal regulator, and the datasheet notes ADC performance degrades below 2.9 V."
      },
      {
        "number": "5",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O whose default function is SDA/NSS, with URX_3 and T1BKIN_1/T2CH4_1 among its remap options."
      },
      {
        "number": "6",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O whose default function is SCL/URTS/T1BKIN, with AETR_1 and T2CH2_1 among its remap options."
      },
      {
        "number": "7",
        "name": "PC4",
        "type": "bidirectional",
        "description": "I/O/A pin whose default function is PC4, with T1CH4/MCO and A2 (ADC input channel 2) as default multiplexed functions."
      },
      {
        "number": "8",
        "name": "PD1",
        "type": "bidirectional",
        "description": "I/O/A pin whose default function is PD1 with SWIO (single-wire debug interface) as a default multiplexed function, plus T1CH3N and AETR2 alternates."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Table 2-1 lists SOP8 pin 1 for both PD6 and PA1 (and pin 3 for PA2); the SOP8 pin drawing text on pa; Table 2-1 lists SOP8 pin 8 for PD1, PD4 and PD5 simultaneously. Only PD1 is assigned to pin 8 here (; Table 2-1 gives conflicting SOP8 positions for these pins (see pins 1 and 8), so they are excluded f"
        ],
        "pages_sent": 31,
        "cost_usd": 0.142,
        "at": "2026-10-18T17:19:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757221841708826624",
        "pages": 31,
        "sha256": "2c05b25a3ef9269c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ch32v003j4m6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ch32v003j4m6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "baf6e5bfe979f18aeb827fcca348b9a32baf9e4e243dce422d7cab4618c9504d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}