BQ25504RGTT

{
  "slug": "bq25504rgtt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq25504rgtt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq25504rgtt.kicad_sym",
    "bq25504rgtt.kicad_mod",
    "bq25504rgtt.glb",
    "bq25504rgtt.step",
    "bq25504rgtt.lbr",
    "docs/hero.png",
    "docs/bq25504rgtt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "BQ25504RGTT",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq25504",
    "parts": {
      "symbol": "bq25504rgtt.kicad_sym",
      "footprint": "bq25504rgtt.kicad_mod",
      "model_3d": "bq25504rgtt-etched.glb",
      "model_3d_plain": "bq25504rgtt.glb",
      "model_3d_step": "bq25504rgtt-etched.step",
      "model_3d_step_plain": "bq25504rgtt.step",
      "lbr": "bq25504rgtt.lbr"
    },
    "distributor_links": {
      "lcsc": "C157471",
      "digikey": "296-29741-2-ND",
      "mouser": "595-BQ25504RGTT"
    },
    "distributor_check": {
      "checked_at": "2026-09-27T00:29:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-29741-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ25504RGTT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "General ground connection for the device with connection to thermal pad."
      },
      {
        "number": "2",
        "name": "VIN_DC",
        "type": "power_in",
        "description": "DC voltage input from energy harvesters (minimum 130 mV to 3 V) requiring minimum 4.7 \u00b5F input capacitor to pin 1."
      },
      {
        "number": "3",
        "name": "VOC_SAMP",
        "type": "input",
        "description": "MPPT sampling pin connected to resistor divider mid-point between VIN_DC and GND for setting MPP threshold, or connect to VSTOR to disable MPPT."
      },
      {
        "number": "4",
        "name": "VREF_SAMP",
        "type": "input",
        "description": "Reference voltage storage pin with 0.01 \u00b5F low leakage capacitor to GND, or tied to GND to disable input voltage regulation from low impedance sources."
      },
      {
        "number": "5",
        "name": "OT_PROG",
        "type": "input",
        "description": "Overtemperature threshold programming input: connect to GND for 60\u00b0C limit or to VSTOR for 120\u00b0C limit."
      },
      {
        "number": "6",
        "name": "VBAT_OV",
        "type": "input",
        "description": "Overvoltage threshold programming input at mid-point of resistor divider between VRDIV and GND."
      },
      {
        "number": "7",
        "name": "VRDIV",
        "type": "output",
        "description": "Resistor divider biasing voltage output."
      },
      {
        "number": "8",
        "name": "VBAT_UV",
        "type": "input",
        "description": "Undervoltage threshold programming input at mid-point of resistor divider between VRDIV and GND opening PFET between VBAT and VSTOR when voltage falls below threshold."
      },
      {
        "number": "9",
        "name": "OK_HYST",
        "type": "input",
        "description": "VBAT_OK hysteresis threshold programming input at resistor divider mid-point between VRDIV and GND, or connect to GND if not used."
      },
      {
        "number": "10",
        "name": "OK_PROG",
        "type": "input",
        "description": "VBAT_OK threshold programming input at resistor divider mid-point between VRDIV and GND, or connect to GND if not used."
      },
      {
        "number": "11",
        "name": "VBAT_OK",
        "type": "output",
        "description": "Digital battery good indicator output internally referenced to VSTOR voltage; leave floating if not used."
      },
      {
        "number": "12",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog supply ground connection for the device with connection to thermal pad."
      },
      {
        "number": "13",
        "name": "VSS",
        "type": "power_in",
        "description": "General ground connection for the device with connection to thermal pad."
      },
      {
        "number": "14",
        "name": "VBAT",
        "type": "power_in",
        "description": "Rechargeable battery or storage element connection requiring minimum 100 \u00b5F equivalent capacitance."
      },
      {
        "number": "15",
        "name": "VSTOR",
        "type": "power_out",
        "description": "Boost charger output for system load requiring minimum 4.7 \u00b5F bulk capacitor plus 0.1 \u00b5F bypass capacitor between this pin and VSS (pin 1)."
      },
      {
        "number": "16",
        "name": "LBST",
        "type": "passive",
        "description": "Inductor node for boost charger switching network with 22 \u00b5H inductor connected between this pin and pin 2 (VIN_DC)."
      },
      {
        "number": "17",
        "name": "PAD",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: All 16 pins identified and documented from Pin Configuration (Figure 6-1) and Pin Functions Table (T",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 39,
        "cost_usd": 0.4117,
        "at": "2026-09-27T00:29:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq25504",
        "pages": 39,
        "sha256": "51260957717f99e0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}