BQ25700ARSNR

{
  "slug": "bq25700arsnr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, QFN-32(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq25700arsnr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "bq25700arsnr.kicad_sym",
    "bq25700arsnr.kicad_mod",
    "bq25700arsnr.glb",
    "bq25700arsnr.step",
    "bq25700arsnr.lbr",
    "docs/hero.png",
    "docs/bq25700arsnr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bq25700arsnr-hero.glb",
    "bq25700arsnr-hero.overlay.json",
    "bq25700arsnr-etched.glb"
  ],
  "component": {
    "mpn": "BQ25700ARSNR",
    "manufacturer": "Texas Instruments",
    "package": "QFN-32(4x4)",
    "pin_count": 33,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq25700a",
    "parts": {
      "symbol": "bq25700arsnr.kicad_sym",
      "footprint": "bq25700arsnr.kicad_mod",
      "model_3d": "bq25700arsnr-hero.glb",
      "model_3d_plain": "bq25700arsnr-etched.glb",
      "model_3d_step": "bq25700arsnr-etched.step",
      "model_3d_step_plain": "bq25700arsnr.step",
      "lbr": "bq25700arsnr.lbr"
    },
    "distributor_links": {
      "lcsc": "C965493"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T12:23:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input voltage, recommended to be filtered with a 1 Ω and 0.47 µF (minimum) input low-pass filter; recommended operating range is 0 to 24 V."
      },
      {
        "number": "2",
        "name": "ACN",
        "type": "input",
        "description": "Input current sense resistor negative input, with series resistors placed between the sense resistor and the filter cap; ACP-ACN differential is limited to −0.35 V to 0.35 V in recommended operation."
      },
      {
        "number": "3",
        "name": "ACP",
        "type": "input",
        "description": "Input current sense resistor positive input, with series resistors placed between the sense resistor and the filter cap; ACP-ACN differential is limited to −0.35 V to 0.35 V in recommended operation."
      },
      {
        "number": "4",
        "name": "CHRG_OK",
        "type": "output",
        "description": "Open-drain active-high indicator that a good power source is connected to the charger input, requiring a 10 kΩ pullup; recommended operating range is 0 to 6.5 V."
      },
      {
        "number": "5",
        "name": "EN_OTG",
        "type": "input",
        "description": "Active-high enable for USB OTG mode, which additionally requires REG0x32[13] to be high; recommended operating range is 0 to 6.5 V."
      },
      {
        "number": "6",
        "name": "ILIM_HIZ",
        "type": "input",
        "description": "Input current limit programming pin set by a resistor divider from a supply rail, where pin voltage below 0.4 V enters Hi-Z mode and above 0.8 V exits Hi-Z mode; recommended operating range is 0 to 6.5 V."
      },
      {
        "number": "7",
        "name": "VDDA",
        "type": "power_in",
        "description": "Internal reference bias pin, fed from REGN through a 10 Ω resistor and decoupled with a 1 µF ceramic capacitor to power ground; recommended operating range is 0 to 6.5 V."
      },
      {
        "number": "8",
        "name": "IADPT",
        "type": "bidirectional",
        "description": "Buffered adapter current output with V(IADPT) = 20 or 40 × (V(ACP) − V(ACN)), clamped below 3.3 V, and recommended operating range is 0 to 3.3 V."
      },
      {
        "number": "9",
        "name": "IBAT",
        "type": "output",
        "description": "Buffered battery current output, with V(IBAT) = 8 or 16 × (V(SRP) − V(SRN)) for charge current, clamped below 3.3 V; the pin may be left floating if unused."
      },
      {
        "number": "10",
        "name": "PSYS",
        "type": "output",
        "description": "Current-mode system power monitor output proportional to total adapter and battery power, clamped below 3.3 V; recommended operating range is 0 to 3.3 V."
      },
      {
        "number": "11",
        "name": "PROCHOT",
        "type": "output",
        "description": "Active-low open-drain processor hot indicator that asserts a pulse when a PROCHOT profile event triggers, with recommended operating range 0 to 5.3 V."
      },
      {
        "number": "12",
        "name": "SDA",
        "type": "bidirectional",
        "description": "SMBus open-drain data I/O requiring a 10 kΩ pullup; recommended operating range is 0 to 6.5 V."
      },
      {
        "number": "13",
        "name": "SCL",
        "type": "input",
        "description": "SMBus clock input requiring a 10 kΩ pullup per SMBus specifications; recommended operating range is 0 to 6.5 V."
      },
      {
        "number": "14",
        "name": "CMPIN",
        "type": "input",
        "description": "Input of the independent comparator, compared against an internal reference with output on CMPOUT; tie to ground if the comparator is unused."
      },
      {
        "number": "15",
        "name": "CMPOUT",
        "type": "output",
        "description": "Open-drain output of the independent comparator that requires a pullup resistor to the pullup supply rail."
      },
      {
        "number": "16",
        "name": "COMP1",
        "type": "passive",
        "description": "Buck-boost converter compensation pin 1, with RC network per the bq25700 EVM schematic; recommended operating range is 0 to 6.5 V."
      },
      {
        "number": "17",
        "name": "COMP2",
        "type": "passive",
        "description": "Buck-boost converter compensation pin 2, with RC network per the bq25700 EVM schematic; recommended operating range is 0 to 6.5 V."
      },
      {
        "number": "18",
        "name": "CELL_BATPRESZ",
        "type": "input",
        "description": "Battery cell selection pin for 1-4 cell setting, which also sets SYSOVP to 5 V (1-cell), 12 V (2-cell) or 19.5 V (3/4-cell), and a pull below VCELL_BATPRESZ_FALL indicates battery removal; recommended operating range is 0 to 6.5 V."
      },
      {
        "number": "19",
        "name": "SRN",
        "type": "input",
        "description": "Charge current sense resistor negative input that also senses battery voltage, with recommended operating range 0 to 19.2 V and a 10 Ω series resistor for reverse-battery protection."
      },
      {
        "number": "20",
        "name": "SRP",
        "type": "input",
        "description": "Charge current sense resistor positive input with a 0.1 µF differential filter to SRN, recommended operating range 0 to 19.2 V, and a 10 Ω series resistor for reverse-battery protection."
      },
      {
        "number": "21",
        "name": "BATDRV",
        "type": "output",
        "description": "P-channel BATFET gate driver output that is shorted to VSYS to turn the BATFET off and sits 10 V below VSYS to fully enable it; recommended operating range is 0 to 19.2 V."
      },
      {
        "number": "22",
        "name": "VSYS",
        "type": "input",
        "description": "Charger system voltage sense input, with the system regulation limit programmed in REG0x15() and REG0x3E(); recommended operating range is 0 to 19.2 V."
      },
      {
        "number": "23",
        "name": "SW2",
        "type": "passive",
        "description": "Boost-mode high-side MOSFET driver source, to be connected to the source of the high-side n-channel MOSFET; recommended operating range is −2 V to 24 V."
      },
      {
        "number": "24",
        "name": "HIDRV2",
        "type": "output",
        "description": "Boost-mode high-side power MOSFET (Q4) gate driver output; recommended operating range is 0 to 30 V with a differential limit of 0 to 6.5 V from SW2."
      },
      {
        "number": "25",
        "name": "BTST2",
        "type": "power_out",
        "description": "Boost-mode high-side driver bootstrap supply with a 0.047 µF capacitor to SW2 and an integrated bootstrap diode from REGN; recommended operating range is 0 to 30 V."
      },
      {
        "number": "26",
        "name": "LODRV2",
        "type": "output",
        "description": "Boost-mode low-side power MOSFET (Q3) gate driver output; recommended operating range is 0 to 6.5 V with absolute maximum of −4 V to 7 V at 2% duty cycle."
      },
      {
        "number": "27",
        "name": "PGND",
        "type": "power_in",
        "description": "Device power ground."
      },
      {
        "number": "28",
        "name": "REGN",
        "type": "power_out",
        "description": "6 V linear regulator output supplied from VBUS or VSYS, active when VBUS is above VVBUS_CONVEN, which requires a 2.2 µF or 3.3 µF ceramic capacitor to power ground and supplies power-stage gate drive."
      },
      {
        "number": "29",
        "name": "LODRV1",
        "type": "output",
        "description": "Buck-mode low-side power MOSFET (Q2) gate driver output; recommended operating range is 0 to 6.5 V with absolute maximum of −4 V to 7 V at 2% duty cycle."
      },
      {
        "number": "30",
        "name": "BTST1",
        "type": "power_out",
        "description": "Buck-mode high-side driver bootstrap supply with a 0.047 µF capacitor between SW1 and BTST1 and an integrated bootstrap diode from REGN; recommended operating range is 0 to 30 V."
      },
      {
        "number": "31",
        "name": "HIDRV1",
        "type": "output",
        "description": "Buck-mode high-side power MOSFET (Q1) gate driver output; recommended operating range is 0 to 30 V with a differential limit of 0 to 6.5 V from SW1."
      },
      {
        "number": "32",
        "name": "SW1",
        "type": "passive",
        "description": "Buck-mode high-side MOSFET driver source, to be connected to the source of the high-side n-channel MOSFET; recommended operating range is −2 V to 24 V."
      },
      {
        "number": "33",
        "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-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The exposed thermal pad is not given a printed pin number in the datasheet (pins are numbered 1–32 o; The datasheet labels ACN, ACP, SRN, SRP, VSYS, VBUS, and SW1/SW2 as generic 'PWR'. I mapped sense/vo; VDDA is described as an internal reference bias pin fed from REGN, and BTST1/BTST2 as bootstrap supp",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1058,
        "at": "2026-10-17T12:22:03"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq25700a",
        "pages": 85,
        "sha256": "c6904d034cbcdca9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq25700arsnr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq25700arsnr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
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        "footprint_binding": "identity",
        "sha256": "7dfb7233f23ab8ab7abcdc335b0c6269948aff823a5a3c8d9fdb0d15f53cefba",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}