BQ24253RGER

{
  "slug": "bq24253rger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq24253rger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq24253rger.kicad_sym",
    "bq24253rger.kicad_mod",
    "bq24253rger.glb",
    "bq24253rger.step",
    "bq24253rger.lbr",
    "docs/hero.png",
    "docs/bq24253rger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "BQ24253RGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq24253",
    "parts": {
      "symbol": "bq24253rger.kicad_sym",
      "footprint": "bq24253rger.kicad_mod",
      "model_3d": "bq24253rger-etched.glb",
      "model_3d_plain": "bq24253rger.glb",
      "model_3d_step": "bq24253rger-etched.step",
      "model_3d_step_plain": "bq24253rger.step",
      "lbr": "bq24253rger.lbr"
    },
    "distributor_links": {
      "lcsc": "C2864881",
      "digikey": "296-BQ24253RGERTR-ND",
      "mouser": "595-BQ24253RGER"
    },
    "distributor_check": {
      "checked_at": "2026-09-27T02:58:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-BQ24253RGERTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ24253RGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CE",
        "type": "input",
        "description": "Charge Enable Active-Low Input; logic high places charger in standby mode by disabling the battery FET."
      },
      {
        "number": "2",
        "name": "D+",
        "type": "input",
        "description": "BC1.2 compatible D+ adapter detection input supporting DCP, SDP, CDP, Apple, and TomTom adapter detection."
      },
      {
        "number": "3",
        "name": "D-",
        "type": "input",
        "description": "BC1.2 compatible D- adapter detection input supporting DCP, SDP, CDP, Apple, and TomTom adapter detection."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog Ground for QFN package only; connect to thermal pad and ground plane of circuit."
      },
      {
        "number": "5",
        "name": "EN1",
        "type": "input",
        "description": "Input Current Limit Configuration Input; use EN1 with EN2 to control maximum input current and enable USB compliance per Table 1."
      },
      {
        "number": "6",
        "name": "EN2",
        "type": "input",
        "description": "Input Current Limit Configuration Input; use EN2 with EN1 to control maximum input current and enable USB compliance per Table 1."
      },
      {
        "number": "7",
        "name": "CHG",
        "type": "tri_state",
        "description": "Charge Status Open Drain Output; pulled low when charge cycle starts and remains low during charging; high impedance when complete or disabled."
      },
      {
        "number": "8",
        "name": "PG",
        "type": "tri_state",
        "description": "Power Good Open Drain Output; pulled low when valid supply (VBAT+VSLP to VOVP) is connected to IN; high impedance otherwise."
      },
      {
        "number": "9",
        "name": "TS",
        "type": "input",
        "description": "Battery Pack NTC Temperature Monitor Input; connect TS to center tap of resistor divider from LDO to GND with NTC from TS to GND for JEITA monitoring."
      },
      {
        "number": "10",
        "name": "ISET",
        "type": "input",
        "description": "Charge Current Programming Input; connect resistor from ISET to GND to program fast charge current from 300mA to 2A."
      },
      {
        "number": "11",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery Connection carrying charge/discharge current; connect to positive battery terminal and bypass with >1μF capacitor."
      },
      {
        "number": "12",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery Connection carrying charge/discharge current; connect to positive battery terminal and bypass with >1μF capacitor."
      },
      {
        "number": "13",
        "name": "SYS",
        "type": "power_out",
        "description": "System Power Output and SMPS voltage sense point; connect to system output at bulk capacitors and bypass locally with >20μF."
      },
      {
        "number": "14",
        "name": "SYS",
        "type": "power_out",
        "description": "System Power Output and SMPS voltage sense point; connect to system output at bulk capacitors and bypass locally with >20μF."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power Ground terminal; connect to ground plane of circuit."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power Ground terminal; connect to ground plane of circuit."
      },
      {
        "number": "17",
        "name": "SW",
        "type": "output",
        "description": "Buck Converter Switch Output; connect to switching side of external inductor for PWM converter operation."
      },
      {
        "number": "18",
        "name": "SW",
        "type": "output",
        "description": "Buck Converter Switch Output; connect to switching side of external inductor for PWM converter operation."
      },
      {
        "number": "19",
        "name": "IN",
        "type": "power_in",
        "description": "Input Power Supply from AC adapter or USB port (4.35V to 10.5V); bypass to PGND with >2μF ceramic capacitor."
      },
      {
        "number": "20",
        "name": "PMID",
        "type": "output",
        "description": "Intermediate voltage node connection between blocking FET and high-side FET in buck converter."
      },
      {
        "number": "21",
        "name": "BOOT",
        "type": "power_out",
        "description": "High-Side MOSFET Gate Driver Supply; connect 0.033μF ceramic capacitor (voltage rating >15V) from BOOT to SW for gate drive."
      },
      {
        "number": "22",
        "name": "ILIM",
        "type": "input",
        "description": "Input Current Limit Programming Input; connect resistor from ILIM to GND to program input limit from 0.5A to 2A (short for 2A default)."
      },
      {
        "number": "23",
        "name": "VDPM",
        "type": "input",
        "description": "Input VIN_DPM Threshold Programming Input; connect resistor divider between IN and GND with VDPM at center tap (1.2V reference) for DPM setting (short for 4.68V default)."
      },
      {
        "number": "24",
        "name": "LDO",
        "type": "power_out",
        "description": "LDO regulated output providing up to 50mA at 4.9V when VUVLO < VIN <18V; bypass with 1μF ceramic capacitor."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 58,
        "cost_usd": 0.8867,
        "at": "2026-09-27T02:58:06"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq24253",
        "pages": 58,
        "sha256": "ec309ffe1d694e7f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq24253rger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq24253rger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cdb2aa0ef949fd6ad28966e8246724e9763f3676c054edcd812019fb8e63264d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}