BQ76907RGRR

{
  "slug": "bq76907rgrr",
  "version": "0.1.0",
  "type": "component",
  "description": "TEXAS INSTRUMENTS Global Sourcing Parts, VQFN-20-EP(3.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "global sourcing parts",
    "bq76907rgrr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq76907rgrr.kicad_sym",
    "bq76907rgrr.kicad_mod",
    "bq76907rgrr.glb",
    "bq76907rgrr.step",
    "bq76907rgrr.lbr",
    "docs/hero.png",
    "docs/bq76907rgrr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bq76907rgrr-hero.glb",
    "bq76907rgrr-hero.overlay.json",
    "bq76907rgrr-etched.glb"
  ],
  "component": {
    "mpn": "BQ76907RGRR",
    "manufacturer": "TEXAS INSTRUMENTS",
    "package": "VQFN-20-EP(3.5x3.5)",
    "pin_count": 21,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq76907",
    "parts": {
      "symbol": "bq76907rgrr.kicad_sym",
      "footprint": "bq76907rgrr.kicad_mod",
      "model_3d": "bq76907rgrr-hero.glb",
      "model_3d_plain": "bq76907rgrr-etched.glb",
      "model_3d_step": "bq76907rgrr-etched.step",
      "model_3d_step_plain": "bq76907rgrr.step",
      "lbr": "bq76907rgrr.lbr"
    },
    "distributor_links": {
      "lcsc": "C22458649"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T21:41:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VC4",
        "type": "input",
        "description": "Voltage-sense input for the fourth cell from the bottom of the stack; it also supplies cell-balancing current for that cell and returns balancing current for the fifth cell."
      },
      {
        "number": "2",
        "name": "VC3",
        "type": "input",
        "description": "Voltage-sense input for the third cell from the bottom of the stack; it also supplies cell-balancing current for that cell and returns balancing current for the fourth cell."
      },
      {
        "number": "3",
        "name": "VC2",
        "type": "input",
        "description": "Cell sense input for the second cell from the bottom of the stack; it also supplies cell-balancing current for that cell and returns balancing current for the third cell."
      },
      {
        "number": "4",
        "name": "VC1",
        "type": "input",
        "description": "Voltage-sense input for the first cell from the bottom of the stack; it also supplies cell-balancing current for that cell and returns balancing current for the second cell."
      },
      {
        "number": "5",
        "name": "VC0",
        "type": "input",
        "description": "Voltage-sense input for the negative terminal of the bottom cell; it returns balancing current for the first cell."
      },
      {
        "number": "6",
        "name": "SRP",
        "type": "input",
        "description": "Analog input to the internal coulomb counter, connected to the top of the sense resistor; charge current produces a positive voltage on SRP relative to SRN."
      },
      {
        "number": "7",
        "name": "SRN",
        "type": "input",
        "description": "Analog input to the internal coulomb counter, connected to the bottom of the sense resistor; charge current produces a positive voltage on SRP relative to SRN."
      },
      {
        "number": "8",
        "name": "TS",
        "type": "bidirectional",
        "description": "Thermistor input or general-purpose ADC input, and a wake-up source from the SHUTDOWN state."
      },
      {
        "number": "9",
        "name": "DSG",
        "type": "output",
        "description": "Gate drive output for the NMOS discharge FET."
      },
      {
        "number": "10",
        "name": "CHG",
        "type": "output",
        "description": "Gate drive output for the NMOS charge FET."
      },
      {
        "number": "11",
        "name": "VSS",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "12",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C serial communication bus clock (open-drain), supporting up to 400 kHz."
      },
      {
        "number": "13",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial communication bus data (open-drain)."
      },
      {
        "number": "14",
        "name": "ALERT",
        "type": "output",
        "description": "Digital interrupt output (open-drain); pulled low by the device when an enabled alert flag is set."
      },
      {
        "number": "15",
        "name": "REGOUT",
        "type": "output",
        "description": "Output of the LDO, programmable to 1.8 V, 2.5 V, 3.0 V, 3.3 V or 5.0 V."
      },
      {
        "number": "16",
        "name": "REGSRC",
        "type": "input",
        "description": "Input to the REGOUT LDO; also serves as the power supply for the CHG and DSG FET drivers."
      },
      {
        "number": "17",
        "name": "BAT",
        "type": "power_in",
        "description": "Main power input pin for the device."
      },
      {
        "number": "18",
        "name": "VC7",
        "type": "input",
        "description": "Voltage-sense input for the seventh cell from the bottom of the stack; it also supplies balancing current for that cell and serves as the top-of-stack measurement point."
      },
      {
        "number": "19",
        "name": "VC6",
        "type": "input",
        "description": "Voltage-sense input for the sixth cell from the bottom of the stack; it also supplies balancing current for that cell and returns balancing current for the seventh cell."
      },
      {
        "number": "20",
        "name": "VC5",
        "type": "input",
        "description": "Voltage-sense input for the fifth cell from the bottom of the stack; it also supplies balancing current for that cell and returns balancing current for the sixth cell."
      },
      {
        "number": "21",
        "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 implied by the package hint (VQFN-20-EP) is not numbered or described anywhe; The pin 3 (VC2) description in the source Table 5-1 says 'detection current input' ('检测电流输入'). This ; The pin 8 (TS) description in the source is garbled ('充当 从 SHUTDOWN 状态唤醒'). The meaning was reconstr",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 43,
        "cost_usd": 0.2659,
        "at": "2026-10-18T21:41:26"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq76907",
        "pages": 61,
        "sha256": "e9ed50ade8c27401",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq76907rgrr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d6da5008060c5410de88cdb6b736fc296ca32614b9849b65fc858d473bcac664",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq76907rgrr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f78986ae769d6ab7bceecd00a2c350a2762a3a2930b608b415a0226a30731be1",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}