BQ25504RGTR

{
  "slug": "bq25504rgtr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management ICs, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "bq25504rgtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
  },
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    "README.md",
    "bq25504rgtr.kicad_sym",
    "bq25504rgtr.kicad_mod",
    "bq25504rgtr.glb",
    "bq25504rgtr.step",
    "bq25504rgtr.lbr",
    "docs/hero.png",
    "docs/bq25504rgtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bq25504rgtr-hero.glb",
    "bq25504rgtr-hero.overlay.json",
    "bq25504rgtr-etched.glb"
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  "component": {
    "mpn": "BQ25504RGTR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/bq25504.pdf",
    "parts": {
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      "footprint": "bq25504rgtr.kicad_mod",
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      "model_3d_plain": "bq25504rgtr-etched.glb",
      "model_3d_step": "bq25504rgtr-etched.step",
      "model_3d_step_plain": "bq25504rgtr.step",
      "lbr": "bq25504rgtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2876746",
      "digikey": "296-48495-2-ND",
      "mouser": "595-BQ25504RGTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:06:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-48495-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ25504RGTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "General ground connection for the device; connect to thermal pad, with at least a 4.7 µF capacitor from VIN_DC and from VSTOR to this pin."
      },
      {
        "number": "2",
        "name": "VIN_DC",
        "type": "power_in",
        "description": "DC voltage input from energy harvesters; connect at least a 4.7 µF capacitor as close as possible between this pin and pin 1, and a 22 µH inductor to LBST."
      },
      {
        "number": "3",
        "name": "VOC_SAMP",
        "type": "input",
        "description": "MPPT sampling pin; connect to the mid-point of a resistor divider between VIN_DC and GND to set the MPP threshold voltage, or connect to VSTOR to disable the MPPT sampling circuit."
      },
      {
        "number": "4",
        "name": "VREF_SAMP",
        "type": "input",
        "description": "Connect a 0.01 µF low-leakage capacitor to GND to store the MPPT sampled voltage to which VIN_DC is regulated; use an external voltage source when MPPT is disabled, or tie to GND to disable input voltage regulation."
      },
      {
        "number": "5",
        "name": "OT_PROG",
        "type": "input",
        "description": "Digital programming input for the IC overtemperature threshold; connect to GND for the 60 C threshold or to VSTOR for the 120 C threshold."
      },
      {
        "number": "6",
        "name": "VBAT_OV",
        "type": "input",
        "description": "Connect to the mid-point of a resistor divider between VRDIV and GND to set the VSTOR = VBAT overvoltage threshold."
      },
      {
        "number": "7",
        "name": "VRDIV",
        "type": "output",
        "description": "Resistor divider biasing voltage."
      },
      {
        "number": "8",
        "name": "VBAT_UV",
        "type": "input",
        "description": "Connect to the mid-point of a resistor divider between VRDIV and GND to set the VBAT undervoltage threshold; the PFET between VBAT and VSTOR opens if VSTOR is below this threshold."
      },
      {
        "number": "9",
        "name": "OK_HYST",
        "type": "input",
        "description": "Connect to the mid-point of a resistor divider between VRDIV and GND to set the VBAT_OK hysteresis threshold; connect to GND if not used."
      },
      {
        "number": "10",
        "name": "OK_PROG",
        "type": "input",
        "description": "Connect to the mid-point of a resistor divider between VRDIV and GND to set the VBAT_OK threshold; connect to GND if not used."
      },
      {
        "number": "11",
        "name": "VBAT_OK",
        "type": "output",
        "description": "Digital battery-good indicator output, internally referenced to the VSTOR voltage; leave floating if not used."
      },
      {
        "number": "12",
        "name": "AVSS",
        "type": "power_in",
        "description": "Signal ground connection for the device; connect to thermal pad."
      },
      {
        "number": "13",
        "name": "VSS",
        "type": "power_in",
        "description": "General ground connection for the device; connect to thermal pad."
      },
      {
        "number": "14",
        "name": "VBAT",
        "type": "power_in",
        "description": "Connection for a rechargeable storage element with at least 100 µF of equivalent capacitance."
      },
      {
        "number": "15",
        "name": "VSTOR",
        "type": "power_out",
        "description": "Boost charger output, typically connected to the system load; connect at least a 4.7 µF capacitor in parallel with a 0.1 µF capacitor close to this pin and pin 1 (VSS)."
      },
      {
        "number": "16",
        "name": "LBST",
        "type": "passive",
        "description": "Inductor connection for the boost charger switching node; connect a 22 µH inductor between this pin and pin 2 (VIN_DC)."
      },
      {
        "number": "17",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package has an exposed thermal pad with no pin number printed. The datasheet says to connect AVS; The datasheet lists LBST as 'Input', but it is the boost switching node that connects to an inductor; The datasheet's I/O column for VSS shows 'Input' for pin 1 and 'Supply' for pin 13. Both are ground,"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1251,
        "at": "2026-10-23T03:05:55"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/bq25504.pdf",
        "pages": 38,
        "sha256": "971c8f2e3296bf39",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "origin": "footprint origin = pad-pattern centre",
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        "checked": "2026-10-23",
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        "file": "bq25504rgtr-etched.step",
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}