BQ24725RGRR

{
  "slug": "bq24725rgrr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, VQFN-20-EP(3.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq24725rgrr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq24725rgrr.kicad_sym",
    "bq24725rgrr.kicad_mod",
    "bq24725rgrr.glb",
    "bq24725rgrr.step",
    "bq24725rgrr.lbr",
    "docs/hero.png",
    "docs/bq24725rgrr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bq24725rgrr-hero.glb",
    "bq24725rgrr-hero.overlay.json"
  ],
  "component": {
    "mpn": "BQ24725RGRR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-20-EP(3.5x3.5)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq24725",
    "parts": {
      "symbol": "bq24725rgrr.kicad_sym",
      "footprint": "bq24725rgrr.kicad_mod",
      "model_3d": "bq24725rgrr-hero.glb",
      "model_3d_plain": "bq24725rgrr.glb",
      "model_3d_step": "bq24725rgrr-etched.step",
      "model_3d_step_plain": "bq24725rgrr.step",
      "lbr": "bq24725rgrr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2873464",
      "digikey": "296-27692-2-ND",
      "mouser": "595-BQ24725RGRR"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T10:19:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-27692-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ24725RGRR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ACN",
        "type": "input",
        "description": "Input current sense resistor negative input; place optional 0.1 µF to GND for common-mode filtering and 0.1 µF from ACN to ACP for differential filtering."
      },
      {
        "number": "2",
        "name": "ACP",
        "type": "input",
        "description": "Input current sense resistor positive input; place 0.1 µF to GND for common-mode filtering and 0.1 µF from ACN to ACP for differential filtering."
      },
      {
        "number": "3",
        "name": "CMSRC",
        "type": "passive",
        "description": "ACDRV charge pump source input; connect via a 4 kΩ resistor to the common source of ACFET (Q1) and RBFET (Q2) to limit inrush current."
      },
      {
        "number": "4",
        "name": "ACDRV",
        "type": "output",
        "description": "Charge pump output driving ACFET and RBFET, 6 V above CMSRC when ACDET is 2.4 V to 3.15 V, VCC is above UVLO and VCC is 275 mV above SRN; use a 4 kΩ resistor to the gates."
      },
      {
        "number": "5",
        "name": "ACOK",
        "type": "output",
        "description": "AC adapter detection open-drain output, pulled high by an external 10 kΩ pull-up when ACDET is 2.4 V to 3.15 V, VCC is above UVLO and 275 mV above SRN, otherwise pulled low."
      },
      {
        "number": "6",
        "name": "ACDET",
        "type": "input",
        "description": "Adapter detection input set by a resistor divider from adapter to GND; above 0.6 V with VCC above UVLO enables REGN LDO, ACOK comparator and IOUT."
      },
      {
        "number": "7",
        "name": "IOUT",
        "type": "output",
        "description": "Buffered adapter or charge current output selectable by ChargeOption(), 20 times the sense resistor differential voltage; place 100 pF or less decoupling capacitor to GND."
      },
      {
        "number": "8",
        "name": "SDA",
        "type": "bidirectional",
        "description": "SMBus open-drain data I/O; connect to host SMBus data line with a 10 kΩ pull-up."
      },
      {
        "number": "9",
        "name": "SCL",
        "type": "input",
        "description": "SMBus open-drain clock input; connect to host SMBus clock line with a 10 kΩ pull-up."
      },
      {
        "number": "10",
        "name": "ILIM",
        "type": "input",
        "description": "Charge current limit input set by divider from 3.3 V rail; control disabled above 1.6 V, charge disabled below 75 mV and enabled above 105 mV."
      },
      {
        "number": "11",
        "name": "BATDRV",
        "type": "output",
        "description": "Charge pump output driving BATFET, 6 V above SRN to turn on and equal to SRN to turn off; use a 4 kΩ resistor to the gate."
      },
      {
        "number": "12",
        "name": "SRN",
        "type": "input",
        "description": "Charge current sense resistor negative input and battery voltage sense; connect through a 7.5 Ω resistor with 0.1 µF to GND for filtering."
      },
      {
        "number": "13",
        "name": "SRP",
        "type": "input",
        "description": "Charge current sense resistor positive input; connect through a 10 Ω resistor with 0.1 µF differential filter capacitor across the sense resistor."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "IC ground; connect to analog ground plane and to power ground only through the PowerPAD underneath the IC."
      },
      {
        "number": "15",
        "name": "LODRV",
        "type": "output",
        "description": "Low side power MOSFET driver output; connect to the low side n-channel MOSFET gate."
      },
      {
        "number": "16",
        "name": "REGN",
        "type": "power_out",
        "description": "6 V linear regulator output supplied from VCC, active when ACDET is above 0.6 V and VCC is above UVLO; connect a 1 µF ceramic capacitor to GND."
      },
      {
        "number": "17",
        "name": "BTST",
        "type": "power_in",
        "description": "High side MOSFET driver power supply; connect 0.047 µF capacitor to PHASE and a bootstrap Schottky diode from REGN."
      },
      {
        "number": "18",
        "name": "HIDRV",
        "type": "output",
        "description": "High side power MOSFET driver output; connect to the high side n-channel MOSFET gate."
      },
      {
        "number": "19",
        "name": "PHASE",
        "type": "passive",
        "description": "High side power MOSFET driver source; connect to the source of the high side n-channel MOSFET."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply, diode OR from adapter or battery voltage; use 10 Ω resistor and 1 µF capacitor to ground as low pass filter to limit inrush current."
      },
      {
        "number": "21",
        "name": "PowerPAD",
        "type": "power_in",
        "description": "Exposed pad beneath the IC; always solder to the board with vias to analog and power ground planes, star-connecting grounds and dissipating heat."
      }
    ],
    "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 PowerPAD exposed pad beneath the IC is described on page 13 but is not given a pin number in the; The ordering table on page 3 lists BQ24725RGRR (3000 pcs, tape and reel) and BQ24725RGRT (250 pcs) i; The KiCad ERC types for these pins are judgment calls because the datasheet does not classify them: ",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0724,
        "at": "2026-10-12T10:19:22"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq24725",
        "pages": 43,
        "sha256": "b367d2c19449e12f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq24725rgrr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5a47fdaa696821d9adc3dbf730d65c9caef4e2465436955838d50806d8574b0a",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq24725rgrr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6e607de09f231a0efe286e1eb5a2c6e461dc3af3cd81abf8c93534bf4252704c",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}