BQ24315DSGT

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq24315dsgt",
  "title": "BQ24315DSGT",
  "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": [
    "component",
    "power supply chip",
    "bq24315dsgt",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "BQ24315DSGT",
    "manufacturer": "Texas Instruments",
    "package": "WSON-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq24315",
    "parts": {
      "symbol": "bq24315dsgt.kicad_sym",
      "footprint": "bq24315dsgt.kicad_mod",
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      "lbr": "bq24315dsgt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2866588",
      "digikey": "296-32030-2-ND",
      "mouser": "595-BQ24315DSGT"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T17:03:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-32030-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ24315DSGT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input power connection to the external DC supply, which must be bypassed to VSS with at least a 1 µF ceramic capacitor, with input voltage range 3.3 V to 30 V and input current limited to 1.5 A."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground terminal that must be connected to ground at all times, and is internally connected to the exposed thermal pad."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Internal test pin that may have internal circuits, so no external connection should be made to it for normal operation."
      },
      {
        "number": "4",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain, active-low device status output that goes low for input overvoltage, input overcurrent, battery overvoltage, or thermal shutdown, is high impedance in normal operation, requires a pullup resistor to the logic rail, and has a maximum sink current of 15 mA."
      },
      {
        "number": "5",
        "name": "CE",
        "type": "input",
        "description": "Active-low chip enable input where CE high disables the IC and turns the input FET off and CE low gives normal operation; it is internally pulled down, with VIL maximum 0.4 V and VIH minimum 1.4 V."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery voltage sense input connected to the battery pack positive terminal through a resistor, used against the internally set battery overvoltage threshold BVOVP of 4.30 V to 4.4 V (4.35 V typical)."
      },
      {
        "number": "7",
        "name": "ILIM",
        "type": "bidirectional",
        "description": "Input overcurrent threshold programming pin where a resistor from ILIM to VSS sets IOCP according to IOCP = 25 / R(ILIM), with R(ILIM) specified from 15 kΩ to 90 kΩ."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "power_out",
        "description": "Output terminal to the charging system that must be bypassed to VSS with at least a 1 µF ceramic capacitor, with output current limited to 1.5 A."
      },
      {
        "number": "9",
        "name": "PowerPAD",
        "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": [
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          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0669,
        "at": "2026-10-28T17:02:53"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq24315",
        "pages": 24,
        "sha256": "a4ecae64eb31413a",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
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      "Manufacturer": "Texas Instruments",
      "Package": "WSON-8-EP(2x2)",
      "Category": "Power Supply Chip",
      "Pins": "9"
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          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.3,
          "typ": null,
          "max": 30,
          "conditions": "Over operating free-air temperature range (unless otherwise noted)",
          "source_page": 2,
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        {
          "name": "Input current, IN pin",
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          "kind": "recommended_operating",
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        {
          "name": "Junction temperature (recommended)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
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          "conditions": "Over operating free-air temperature range (unless otherwise noted)",
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        {
          "name": "Input voltage IN (with respect to VSS)",
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        {
          "name": "Input voltage ILIM, FAULT, CE, VBAT (with respect to VSS)",
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          "unit": "A",
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          "max": 2,
          "conditions": "",
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        {
          "name": "Output sink current, FAULT",
          "symbol": "I",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD withstand voltage, Human Body Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "All pins, per JESD22-A114-E",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD withstand voltage, Machine Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "All pins, per JESD22-A115-E",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "ESD withstand voltage, Charge Device Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "All pins, per JESD22-C101-C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD withstand voltage, IEC 61000-4-2 air discharge",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "IN pin; IN bypassed to VSS with 1-µF low-ESR ceramic capacitor; air discharge",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD withstand voltage, IEC 61000-4-2 contact discharge",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "IN pin; IN bypassed to VSS with 1-µF low-ESR ceramic capacitor; contact discharge",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case thermal resistance (DSG 2×2 SON)",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "DSG package, 2×2 SON",
          "source_page": 2,
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        {
          "name": "Junction-to-ambient thermal resistance (DSG 2×2 SON)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "DSG package, 2×2 SON",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lock-out threshold, input power detected",
          "symbol": "UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.6,
          "typ": 2.7,
          "max": 2.8,
          "conditions": "CE = Low, VIN increasing from 0V to 3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis on UVLO",
          "symbol": "Vhys(UVLO)",
          "kind": "electrical",
          "unit": "mV",
          "min": 200,
          "typ": 260,
          "max": 300,
          "conditions": "CE = Low, VIN decreasing from 3V to 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 400,
          "max": 600,
          "conditions": "CE = Low, No load on OUT pin, VIN = 5V, R(ILIM) = 25kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Standby current",
          "symbol": "ISTDBY",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 65,
          "max": 95,
          "conditions": "CE = High, VIN = 5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drop-out voltage IN to OUT",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 170,
          "max": 280,
          "conditions": "CE = Low, VIN = 5V, IOUT = 1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (bq24315)",
          "symbol": "VO(REG)",
          "kind": "electrical",
          "unit": "V",
          "min": 5.3,
          "typ": 5.5,
          "max": 5.7,
          "conditions": "CE = Low, VIN = 5.7V, IOUT = 1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input overvoltage protection threshold (bq24315)",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "V",
          "min": 5.71,
          "typ": 5.85,
          "max": 6,
          "conditions": "CE = Low, VIN increasing from 5V to 11V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis on OVP (bq24315)",
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          "kind": "electrical",
          "unit": "mV",
          "min": 20,
          "typ": 60,
          "max": 110,
          "conditions": "CE = Low, VIN decreasing from 11V to 5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input overcurrent protection threshold range",
          "symbol": "IOCP",
          "kind": "electrical",
          "unit": "mA",
          "min": 300,
          "typ": null,
          "max": 1500,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input overcurrent protection threshold",
          "symbol": "IOCP",
          "kind": "electrical",
          "unit": "mA",
          "min": 900,
          "typ": 1000,
          "max": 1100,
          "conditions": "CE = Low, R(ILIM) = 24.9kΩ, 3 V ≤ VIN < VOVP – Vhys(OVP)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Battery overvoltage protection threshold",
          "symbol": "BVOVP",
          "kind": "electrical",
          "unit": "V",
          "min": 4.3,
          "typ": 4.35,
          "max": 4.4,
          "conditions": "CE = Low, VIN > 4.4V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis on BVOVP",
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          "min": 200,
          "typ": 275,
          "max": 320,
          "conditions": "CE = Low, VIN > 4.4V",
          "source_page": 3,
          "source": "datasheet"
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          "name": "Low-level input voltage on CE",
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          "min": 0,
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