BQ25504RGTR

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq25504rgtr",
  "title": "BQ25504RGTR",
  "brief": "Texas Instruments Battery Management ICs, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management ics",
    "bq25504rgtr",
    "factory-2.0.0",
    "extractor-text"
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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": {
      "symbol": "bq25504rgtr.kicad_sym",
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      "model_3d_step": "bq25504rgtr-etched.step",
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      "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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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
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        "checked": "2026-10-23",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-16-EP(3x3)",
      "Category": "Power Management ICs",
      "Pins": "17"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "971c8f2e3296bf393ea2b865dbe6b847b318f896e0bd39aacdb660d3b81ba289",
      "rows": [
        {
          "name": "Input voltage (pins)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "VIN_DC, VOC_SAMP, VREF_SAMP, VBAT_OV, VBAT_UV, VRDIV, OK_HYST, OK_PROG, VBAT_OK, VBAT, VSTOR, LBST",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Peak Input Power",
          "symbol": "PIN_PK",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
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        {
          "name": "Operating junction temperature range",
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        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
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          "max": 150,
          "conditions": "",
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        },
        {
          "name": "ESD HBM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human body model, all pins",
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        {
          "name": "ESD CDM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Charged device model, all pins",
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        },
        {
          "name": "DC input voltage into VIN_DC",
          "symbol": "VIN (DC)",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.13,
          "typ": null,
          "max": 3,
          "conditions": "Maximum input power ≤ 300 mW. Cold start has been completed",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Battery voltage range",
          "symbol": "VBAT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.25,
          "conditions": "VBAT_OV setting must be higher than VIN_DC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "CHVR",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 4.23,
          "typ": 4.7,
          "max": 5.17,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage capacitance",
          "symbol": "CSTOR",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 4.23,
          "typ": 4.7,
          "max": 5.17,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Battery pin capacitance or equivalent battery capacity",
          "symbol": "CBAT",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Sampled reference storage capacitance",
          "symbol": "CREF",
          "kind": "recommended_operating",
          "unit": "nF",
          "min": 9,
          "typ": 10,
          "max": 11,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total resistance for MPPT reference",
          "symbol": "ROC1 + ROC2",
          "kind": "recommended_operating",
          "unit": "MΩ",
          "min": 18,
          "typ": 20,
          "max": 22,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total resistance for setting reference voltage",
          "symbol": "ROK1 + ROK2 + ROK3",
          "kind": "recommended_operating",
          "unit": "MΩ",
          "min": 9,
          "typ": 10,
          "max": 11,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input inductance",
          "symbol": "LBST",
          "kind": "recommended_operating",
          "unit": "µH",
          "min": 19.8,
          "typ": 22,
          "max": 24.2,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating free air ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DC input voltage into VIN_DC",
          "symbol": "VIN(DC)",
          "kind": "electrical",
          "unit": "mV",
          "min": 130,
          "typ": null,
          "max": 3000,
          "conditions": "Cold-start completed",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Peak current flowing from VIN into VIN_DC input",
          "symbol": "IIN(DC)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 200,
          "max": 300,
          "conditions": "0.5V < VIN < 3 V; VSTOR = 4.2 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input power range for normal charging",
          "symbol": "PIN",
          "kind": "electrical",
          "unit": "mW",
          "min": 0.01,
          "typ": null,
          "max": 300,
          "conditions": "VBAT > VIN_DC; VIN_DC = 0.5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Cold-start voltage",
          "symbol": "VIN(CS)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 600,
          "max": 700,
          "conditions": "VBAT < VBAT_UV; VSTOR = 0 V; 0°C < TA < 85°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Voltage on VSTOR when cold start ends",
          "symbol": "VSTOR_CHGEN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": 1.77,
          "max": 1.95,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Leakage on VBAT pin (25°C)",
          "symbol": "IVBAT",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 1,
          "max": 5,
          "conditions": "VBAT = 2.1 V; VBAT_UV = 2.3 V, TJ = 25°C, VSTOR = 0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Leakage on VBAT pin (over temp)",
          "symbol": "IVBAT",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "VBAT = 2.1 V; VBAT_UV = 2.3 V, –40°C < TJ < 65°C, VSTOR = 0 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VSTOR quiescent current, UV condition",
          "symbol": "IVSTOR",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 330,
          "max": 750,
          "conditions": "VIN_DC = 0V; VBAT < VBAT_UV = 2.4V; VSTOR = 2.2V, No load on VBAT",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VSTOR quiescent current, OV condition",
          "symbol": "IVSTOR",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 570,
          "max": 1400,
          "conditions": "VIN_DC = 0V, VBAT > VBAT_OV, VSTOR = 4.25, No load on VBAT",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Programmable overvoltage threshold range",
          "symbol": "VBAT_OV",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.25,
          "conditions": "VSTOR increasing",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Battery overvoltage hysteresis",
          "symbol": "VBAT_OV_HYST",
          "kind": "electrical",
          "unit": "mV",
          "min": 18,
          "typ": 35,
          "max": 89,
          "conditions": "VSTOR decreasing",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Programmable undervoltage threshold range",
          "symbol": "VBAT_UV",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": null,
          "conditions": "VSTOR decreasing; VBAT_UV > VBias; upper limit VBAT_OV",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Battery undervoltage hysteresis",
          "symbol": "VBAT_UV_HYST",
          "kind": "electrical",
          "unit": "mV",
          "min": 40,
          "typ": 80,
          "max": 125,
          "conditions": "VSTOR increasing",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overall accuracy for thresholds UV, OV, VBAT_OK",
          "symbol": "VBAT_ACCURACY",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Selected resistors are 0.1% tolerance",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VIN_DC regulation during charging",
          "symbol": "VIN_Reg",
          "kind": "electrical",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "0.5 V <VIN < 3 V; IIN (DC) = 10 mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "DC input voltage when charger turned off",
          "symbol": "VIN_shutoff",
          "kind": "electrical",
          "unit": "mV",
          "min": 40,
          "typ": 80,
          "max": 130,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Bias voltage reference",
          "symbol": "VBIAS",
          "kind": "electrical",
          "unit": "V",
          "min": 1.21,
          "typ": 1.25,
          "max": 1.27,
          "conditions": "VIN_DC ≥ 0.5V; VSTOR ≥ 1.8 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VBAT OK (Low) threshold voltage",
          "symbol": "VBAT_OKL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Load = 10 µA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Minimum cold-start input power",
          "symbol": "PIN(CS)",
          "kind": "electrical",
          "unit": "µW",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VBAT < VSTOR(CHGEN); VIN_DC clamped to VIN_CS by cold start circuit; VBAT = 100 µF ceramic",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Resistance of switch between VBAT and VSTOR",
          "symbol": "RBAT(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "VBAT = 4.2 V; VSTOR load = 50 mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Charger low side switch ON resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "VBAT = 2.1 V / 4.2 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Charger rectifier high side switch ON resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VBAT = 2.1 V / 4.2 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Boost converter switching frequency",
          "symbol": "fSW_BST",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Overtemperature shutdown, OT_Prog = LO",
          "symbol": "TSD_PROTL",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "OT_Prog = LO",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Overtemperature shutdown, OT_Prog = HI",
          "symbol": "TSD_PROTH",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "OT_Prog = HI",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Voltage for OT_PROG High setting",
          "symbol": "OT_Prog",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
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