BQ24312DSGR

{
  "slug": "bq24312dsgr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management ICs, WSON-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "bq24312dsgr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq24312dsgr.kicad_sym",
    "bq24312dsgr.kicad_mod",
    "bq24312dsgr.glb",
    "bq24312dsgr.step",
    "bq24312dsgr.lbr",
    "docs/hero.png",
    "docs/bq24312dsgr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bq24312dsgr-hero.glb",
    "bq24312dsgr-hero.overlay.json",
    "bq24312dsgr-etched.glb"
  ],
  "component": {
    "mpn": "BQ24312DSGR",
    "manufacturer": "Texas Instruments",
    "package": "WSON-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/bq24312dsgr.pdf",
    "parts": {
      "symbol": "bq24312dsgr.kicad_sym",
      "footprint": "bq24312dsgr.kicad_mod",
      "model_3d": "bq24312dsgr-hero.glb",
      "model_3d_plain": "bq24312dsgr-etched.glb",
      "model_3d_step": "bq24312dsgr-etched.step",
      "model_3d_step_plain": "bq24312dsgr.step",
      "lbr": "bq24312dsgr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2871976",
      "digikey": "296-BQ24312DSGRTR-ND",
      "mouser": "595-BQ24312DSGR"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T17:01:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-BQ24312DSGRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ24312DSGR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input power connection to the external DC supply, which requires at least a 1 µF ceramic capacitor to VSS; the absolute maximum input voltage is 30 V with respect to VSS."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground terminal that must be held at ground at all times, with the exposed thermal pad connected to the same potential."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Contains internal test circuits; no external connection should be made to this pin for normal operation."
      },
      {
        "number": "4",
        "name": "FAULT",
        "type": "output",
        "description": "Active-low open-drain status output that goes low on input overvoltage, input overcurrent, battery overvoltage, or thermal shutdown, with a maximum sink current of 15 mA."
      },
      {
        "number": "5",
        "name": "CE",
        "type": "input",
        "description": "Active-low chip enable input that is internally pulled down; when driven high the input FET is turned off."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery voltage sense input, connected to the pack positive terminal through a resistor, with an absolute maximum rating of 7 V with respect to VSS."
      },
      {
        "number": "7",
        "name": "ILIM",
        "type": "bidirectional",
        "description": "Input overcurrent threshold programming pin, where a resistor from ILIM to VSS sets the threshold with RILIM between 15 kΩ and 90 kΩ."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "power_out",
        "description": "Output terminal to the charging system, which requires at least a 1 µF ceramic capacitor to VSS, with an absolute maximum output current of 2 A."
      },
      {
        "number": "9",
        "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 exposed thermal pad is listed on page 3 as 'Thermal PAD' with no pin number printed, so it is no; ILIM is listed as I/O in the datasheet and is typed as bidirectional here; the datasheet describes i",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0486,
        "at": "2026-10-28T17:00:45"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/bq24312dsgr.pdf",
        "pages": 27,
        "sha256": "be491c008aaca8c3",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "file": "bq24312dsgr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7672cac8d88d8679800ef3bf90954e7996ea74e8ddb1f157f2d82bca6b2015e4",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq24312dsgr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "86d61aa24437704895d43840a4516a870dcab200c7096735c9e8aa4d36c9afb4",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}