BQ24074RGTT

{
  "slug": "bq24074rgtt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq24074rgtt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq24074rgtt.kicad_sym",
    "bq24074rgtt.kicad_mod",
    "bq24074rgtt.glb",
    "bq24074rgtt.step",
    "bq24074rgtt.lbr",
    "docs/hero.png",
    "docs/bq24074rgtt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bq24074rgtt-hero.glb",
    "bq24074rgtt-hero.overlay.json"
  ],
  "component": {
    "mpn": "BQ24074RGTT",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/cn/lit/gpn/bq24075",
    "parts": {
      "symbol": "bq24074rgtt.kicad_sym",
      "footprint": "bq24074rgtt.kicad_mod",
      "model_3d": "bq24074rgtt-hero.glb",
      "model_3d_plain": "bq24074rgtt.glb",
      "model_3d_step": "bq24074rgtt-etched.step",
      "model_3d_step_plain": "bq24074rgtt.step",
      "lbr": "bq24074rgtt.lbr"
    },
    "distributor_links": {
      "lcsc": 2861252,
      "digikey": "296-23798-2-ND",
      "mouser": "595-BQ24074RGTT"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T19:56:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-23798-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ24074RGTT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TS",
        "type": "input",
        "description": "External NTC Thermistor Input; connect to the NTC thermistor in battery pack to monitor 10kΩ thermistor."
      },
      {
        "number": "2",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Charger Power Stage Output and Battery Voltage Sense Input; connect to positive terminal of battery and bypass to VSS with 4.7-μF to 47-μF ceramic capacitor."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Charger Power Stage Output and Battery Voltage Sense Input; connect to positive terminal of battery and bypass to VSS with 4.7-μF to 47-μF ceramic capacitor."
      },
      {
        "number": "4",
        "name": "CE",
        "type": "input",
        "description": "Charge Enable Active-Low Input; connect high to disable battery charging with OUT remaining active, connect low to enable charger, internally pulled down with ≈285 kΩ."
      },
      {
        "number": "5",
        "name": "EN2",
        "type": "input",
        "description": "Input Current Limit Configuration Input; use EN1 and EN2 to control maximum input current and enable USB compliance, internally pulled down with ≈285 kΩ."
      },
      {
        "number": "6",
        "name": "EN1",
        "type": "input",
        "description": "Input Current Limit Configuration Input; use EN1 and EN2 to control maximum input current and enable USB compliance, internally pulled down with ≈285 kΩ."
      },
      {
        "number": "7",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain Power Good Status Indication Output; pulls to VSS when valid input source is detected, high-impedance when input power outside specified limits."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground; connect to thermal pad and ground rail of circuit with internal electrical connection to exposed thermal pad."
      },
      {
        "number": "9",
        "name": "CHG",
        "type": "output",
        "description": "Open-Drain Charging Status Indication Output; pulls to VSS when battery is charging, high-impedance when charging complete or charger disabled."
      },
      {
        "number": "10",
        "name": "OUT",
        "type": "output",
        "description": "System Supply Output; provides regulated output when input is below OVP threshold and above regulation voltage, bypass to VSS with 4.7-μF to 47-μF capacitor."
      },
      {
        "number": "11",
        "name": "OUT",
        "type": "output",
        "description": "System Supply Output; provides regulated output when input is below OVP threshold and above regulation voltage, bypass to VSS with 4.7-μF to 47-μF capacitor."
      },
      {
        "number": "12",
        "name": "ILIM",
        "type": "input",
        "description": "Adjustable Current Limit Programming Input; connect 1100-Ω to 8-kΩ resistor from ILIM to VSS to program maximum input current (EN2=1, EN1=0), leaving unconnected disables charging."
      },
      {
        "number": "13",
        "name": "IN",
        "type": "input",
        "description": "Input Power Connection; connect to external DC supply with input operating range 4.35 V to 10.5 V for BQ24074, bypass with 1 μF to 10 μF capacitor to VSS."
      },
      {
        "number": "14",
        "name": "TMR",
        "type": "input",
        "description": "Timer Programming Input; controls pre-charge and fast-charge safety timers, connect to VSS to disable or 18-kΩ to 72-kΩ resistor to program desired length."
      },
      {
        "number": "15",
        "name": "ITERM",
        "type": "input",
        "description": "Termination Current Programming Input; connect 0-Ω to 15-kΩ resistor from ITERM to VSS to program termination current, leave unconnected for default 10% termination threshold."
      },
      {
        "number": "16",
        "name": "ISET",
        "type": "bidirectional",
        "description": "Fast Charge Current Programming Input; connect 590-Ω to 8.9-kΩ resistor from ISET to VSS to program fast charge current level, voltage at ISET reflects actual charging 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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Thermal pad present in VQFN package with internal electrical connection to VSS pin per datasheet, bu",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1755,
        "at": "2026-10-05T19:56:29"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/bq24075",
        "pages": 55,
        "sha256": "43e87bbb1254f71b",
        "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"
    }
  }
}