RY2231B1D4

{
  "slug": "ry2231b1d4",
  "version": "0.1.0",
  "type": "component",
  "description": "RYCHIP Battery Management, DFN-4-EP(1x1). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ry2231b1d4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ry2231b1d4.kicad_sym",
    "ry2231b1d4.kicad_mod",
    "ry2231b1d4.glb",
    "ry2231b1d4.step",
    "ry2231b1d4.lbr",
    "docs/hero.png",
    "docs/ry2231b1d4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ry2231b1d4-hero.glb",
    "ry2231b1d4-hero.overlay.json"
  ],
  "component": {
    "mpn": "RY2231B1D4",
    "manufacturer": "RYCHIP",
    "package": "DFN-4-EP(1x1)",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945622448029696",
    "parts": {
      "symbol": "ry2231b1d4.kicad_sym",
      "footprint": "ry2231b1d4.kicad_mod",
      "model_3d": "ry2231b1d4-hero.glb",
      "model_3d_plain": "ry2231b1d4.glb",
      "model_3d_step": "ry2231b1d4-etched.step",
      "model_3d_step_plain": "ry2231b1d4.step",
      "lbr": "ry2231b1d4.lbr"
    },
    "distributor_links": {
      "lcsc": "C2843221"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T10:41:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin; the absolute maximum VDD input voltage is -0.3 V to 6 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Grounding end, connected to the battery core negative pole; the datasheet gives no separate electrical limit for this pin."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; the datasheet states no function for this pin."
      },
      {
        "number": "4",
        "name": "VM",
        "type": "input",
        "description": "Charger minus voltage input pin; the absolute maximum VM input voltage is -6 V to 10 V."
      },
      {
        "number": "5",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: The datasheet shows an exposed pad (EPAD) on the DFN4-1×1 pin configuration and bottom view, but it ; The VDD and VM limits are taken from the Absolute Maximum Ratings table on page 3 rather than the pi",
          "exposed pad 5 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0516,
        "at": "2026-10-09T10:39:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945622448029696",
        "pages": 12,
        "sha256": "252a96a0fcd41b84",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ry2231b1d4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.98,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "86e5f8eefe287160705813dbaa7f6606754ab347715fbffa4ee680635c44541f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ry2231b1d4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.98,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0a2b8df0d4a30c01d546ddb155721d3aef62155bb85cff0438e1ef42af358402",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}