BQ24072TRGTT

{
  "slug": "bq24072trgtt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq24072trgtt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq24072trgtt.kicad_sym",
    "bq24072trgtt.kicad_mod",
    "bq24072trgtt.glb",
    "bq24072trgtt.step",
    "bq24072trgtt.lbr",
    "docs/hero.png",
    "docs/bq24072trgtt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bq24072trgtt-hero.glb",
    "bq24072trgtt-hero.overlay.json"
  ],
  "component": {
    "mpn": "BQ24072TRGTT",
    "manufacturer": "Texas Instruments",
    "package": "QFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq24072t",
    "parts": {
      "symbol": "bq24072trgtt.kicad_sym",
      "footprint": "bq24072trgtt.kicad_mod",
      "model_3d": "bq24072trgtt-hero.glb",
      "model_3d_plain": "bq24072trgtt.glb",
      "model_3d_step": "bq24072trgtt-etched.step",
      "model_3d_step_plain": "bq24072trgtt.step",
      "lbr": "bq24072trgtt.lbr"
    },
    "distributor_links": {
      "lcsc": "C139632",
      "digikey": "296-32024-2-ND",
      "mouser": "595-BQ24072TRGTT"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T23:09:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-32024-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ24072TRGTT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TS",
        "type": "input",
        "description": "External NTC thermistor input that connects to the center tap of a VIN-to-GND resistor divider; for applications not using the TS function, the divider is set to a 20% ratio."
      },
      {
        "number": "2",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Charger power stage output and battery voltage sense input that connects to the positive battery terminal and must be bypassed to VSS with a 4.7μF to 47μF ceramic capacitor."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Charger power stage output and battery voltage sense input that connects to the positive battery terminal and must be bypassed to VSS with a 4.7μF to 47μF ceramic capacitor."
      },
      {
        "number": "4",
        "name": "CE",
        "type": "input",
        "description": "Active-low charge enable: a high level places the charger in standby mode and a low level enables charging; CE is internally pulled down with ~285kΩ and must not be left unconnected."
      },
      {
        "number": "5",
        "name": "EN2",
        "type": "input",
        "description": "Input current limit configuration input that works with EN1 to select 100 mA, 500 mA, ILIM-set, or standby input current; internally pulled down with ~285kΩ and must not be left unconnected."
      },
      {
        "number": "6",
        "name": "EN1",
        "type": "input",
        "description": "Input current limit configuration input that works with EN2 to select 100 mA, 500 mA, ILIM-set, or standby input current; internally pulled down with ~285kΩ and must not be left unconnected."
      },
      {
        "number": "7",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power-good status output that pulls to VSS when a valid input source is detected and is high-impedance otherwise; use a 1kΩ to 100kΩ pull-up resistor, and PGOOD sink current is limited to 15 mA."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground that must connect to the thermal pad and the circuit ground rail and must be connected to ground at all times."
      },
      {
        "number": "9",
        "name": "CHG",
        "type": "output",
        "description": "Open-drain charge status output that pulls to VSS while charging, is high-impedance when charging is complete or the charger is disabled, and flashes on a timer fault; use a 1kΩ to 100kΩ pull-up resistor. CHG sink current is limited to 15 mA."
      },
      {
        "number": "10",
        "name": "OUT",
        "type": "output",
        "description": "System supply output that provides a regulated output when the input is below the OVP threshold and above the regulation voltage, and must be bypassed to VSS with a 4.7μF to 47μF ceramic capacitor."
      },
      {
        "number": "11",
        "name": "OUT",
        "type": "output",
        "description": "System supply output that provides a regulated output when the input is below the OVP threshold and above the regulation voltage, and must be bypassed to VSS with a 4.7μF to 47μF ceramic capacitor."
      },
      {
        "number": "12",
        "name": "ILIM",
        "type": "output",
        "description": "Adjustable input current limit programming pin that connects to VSS through a 1.07kΩ to 7.5kΩ resistor to set the maximum input current (EN2=1, EN1=0); leaving ILIM unconnected disables all charging."
      },
      {
        "number": "13",
        "name": "IN",
        "type": "input",
        "description": "Input power connection for the AC adapter or USB port with an operating range of 4.35V to 6.6V; it accepts up to 26V without damage but operation is suspended above the operating range, and it must be bypassed to VSS with a 1μF to 10μF ceramic capacitor."
      },
      {
        "number": "14",
        "name": "TMR",
        "type": "input",
        "description": "Timer programming input for the pre-charge and fast-charge safety timers: connect to VSS to disable all timers, use an 18kΩ to 72kΩ resistor to VSS to set custom lengths, or leave unconnected for default values."
      },
      {
        "number": "15",
        "name": "TD",
        "type": "input",
        "description": "Termination disable input: connect high to disable charger termination or to VSS to enable it; TD is checked only during startup, cannot change during operation, and is internally pulled down to VSS with ~285kΩ."
      },
      {
        "number": "16",
        "name": "ISET",
        "type": "bidirectional",
        "description": "Fast-charge current programming input that connects to VSS through a 590Ω to 3kΩ resistor; charging is disabled if ISET is left unconnected, and while charging its voltage reflects the actual charge current."
      },
      {
        "number": "17",
        "name": "Thermal Pad",
        "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: Thermal pad is an exposed pad with no printed pin number in the text; it is internally tied to VSS (; The datasheet lists TS, ILIM and ISET as 'I/O' or 'O' in the pin table. Mapped to KiCad classes as i; Pin table gives IN operating range 4.35V to 6.6V, while Recommended Operating Conditions gives IN op",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0785,
        "at": "2026-10-11T23:09:08"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq24072t",
        "pages": 44,
        "sha256": "0c44cec8ce4f80c9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq24072trgtt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq24072trgtt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8ad0d2264da9ee9eeee8e22be3709c5e8e308f2d9b677c79a71d7aae6c8b33df",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}