BQ24308DSGR

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  "type": "component",
  "slug": "bq24308dsgr",
  "title": "BQ24308DSGR",
  "brief": "Texas Instruments Battery Management ICs, WSON-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power supply chip",
    "bq24308dsgr",
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  "component": {
    "mpn": "BQ24308DSGR",
    "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/bq24308dsgr.pdf",
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    "distributor_links": {
      "lcsc": "C2876164",
      "digikey": "296-48492-2-ND",
      "mouser": "595-BQ24308DSGR"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T12:23:33Z",
      "source": "Component Ocean /api/assign-pns",
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        "pn": "595-BQ24308DSGR",
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    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input power, connect to external DC supply with an external 0.1μF (minimum) ceramic capacitor to VSS; absolute maximum 30 V and recommended operating range 3.3 V to 26 V."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground terminal, which must be connected to ground at all times."
      },
      {
        "number": "3",
        "name": "PGATE",
        "type": "output",
        "description": "Gate drive for optional external P-FET for input reverse-polarity protection."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect to any external circuit; this pin may have internal connections used for test purposes."
      },
      {
        "number": "5",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input, active low, internally pulled down; when CE is high the input FET is off."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery voltage sense input, connect to the pack positive terminal through a resistor."
      },
      {
        "number": "7",
        "name": "ILIM",
        "type": "input",
        "description": "Input overcurrent threshold programming; an optional resistor to VSS increases the OCP threshold (RILIM max 31 kΩ)."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "power_out",
        "description": "Output terminal to the charging system, with an external 1μF (minimum) ceramic capacitor to VSS."
      },
      {
        "number": "9",
        "name": "Thermal Pad",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.0683,
        "at": "2026-10-31T12:23:16"
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        "pages": 27,
        "sha256": "c58cf49318e7c538",
        "source_tier": "mfr"
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        "total": 9,
        "described": 9,
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WSON-8-EP(2x2)",
      "Category": "Power Supply Chip",
      "Pins": "9"
    },
    "characteristics": {
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          "name": "Undervoltage lock-out threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": 2.7,
          "max": 2.8,
          "conditions": "CE= Low, VIN: 0 V → 3 V",
          "source_page": 5,
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        {
          "name": "Hysteresis on UVLO",
          "symbol": "VHYS-UVLO",
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          "unit": "mV",
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          "typ": 260,
          "max": 300,
          "conditions": "CE= Low, VIN: 3 V → 0 V",
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        {
          "name": "Operating current",
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        {
          "name": "Standby current",
          "symbol": "ISTDBY",
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          "unit": "μA",
          "min": null,
          "typ": 65,
          "max": 95,
          "conditions": "CE= High, VIN = 5 V",
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        {
          "name": "Drop-out voltage IN to OUT",
          "symbol": "VDO",
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          "name": "Input overvoltage protection threshold",
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          "name": "Hysteresis on OVP",
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          "conditions": "CE = Low, VIN= 6 V, IOUT = 250 mA",
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        {
          "name": "Internal input overcurrent protection threshold",
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          "min": 630,
          "typ": 700,
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          "name": "Input overcurrent protection range",
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        {
          "name": "OCP threshold accuracy",
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          "kind": "tolerance",
          "unit": "%",
          "min": -10,
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          "name": "OCP threshold accuracy",
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        {
          "name": "Battery overvoltage protection threshold",
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          "unit": "V",
          "min": 4.3,
          "typ": 4.35,
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          "conditions": "CE= Low, VIN > 4.4 V, VVBAT: 4.5 V → 3.9 V",
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        {
          "name": "Thermal shutdown temperature",
          "symbol": "TJ(OFF)",
          "kind": "electrical",
          "unit": "°C",
          "min": 140,
          "typ": 150,
          "max": null,
          "conditions": "",
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        {
          "name": "Gate driver clamp voltage",
          "symbol": "VGCLMP",
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          "unit": "V",
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        {
          "name": "Low-level input voltage",
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        {
          "name": "High-level input voltage",
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          "min": 1.4,
          "typ": null,
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        {
          "name": "Low-level input current",
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        {
          "name": "High-level input current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VCE = 1.8 V",
          "source_page": 6,
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        },
        {
          "name": "Deglitch time, input power detected",
          "symbol": "tDGL(PGOOD)",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "CE = Low, VIN 0 V → 4 V, 1 µs rise-time, to output turning ON",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Input OVP propagation delay",
          "symbol": "tPD(OVP)",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 0.2,
          "max": 1,
          "conditions": "CE= Low, VIN 4 V → 10 V, 1µs rising time, to output turning OFF",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Recovery time from input overvoltage",
          "symbol": "tON(OVP)",
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        {
          "name": "Blanking time, input overcurrent detected",
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          "min": null,
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          "max": null,
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          "name": "Recovery time from input overcurrent",
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        {
          "name": "Input bias current on VBAT pin",
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          "unit": "nA",
          "min": null,
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          "conditions": "VVBAT = 4.4 V, TJ = 25°C",
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          "name": "Deglitch time, battery overvoltage detected",
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          "conditions": "CE= Low, VIN > 4.4 V, VVBAT 4.2 V → 4.5 V, 1 µs rising time, to output turning OFF",
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          "name": "Thermal shutdown hysteresis",
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          "unit": "°C",
          "min": null,
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        {
          "name": "Input voltage IN, PGATE",
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          "min": -0.3,
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          "conditions": "with respect to VSS",
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        {
          "name": "Input voltage OUT",
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          "name": "Input voltage ILIM, CE, VBAT",
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          "name": "Input current IN",
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          "name": "Output current OUT",
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          "name": "Input voltage range",
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          "max": 26,
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          "name": "Input current, IN pin",
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          "conditions": "",
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          "name": "OCP programming resistor",
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          "name": "Junction-to-ambient thermal resistance",
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        {
          "name": "Junction-to-case (top) thermal resistance",
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          "name": "Junction-to-board thermal resistance",
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          "kind": "thermal",
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          "name": "Junction-to-case (bottom) thermal resistance",
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