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Ray Set visibility: public 7ea2e33 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "bq24161rger",
  "title": "BQ24161RGER",
  "brief": "Texas Instruments Battery Management ICs, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power supply chip",
    "bq24161rger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BQ24161RGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Supply Chip",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/bq24161rger.pdf",
    "parts": {
      "symbol": "bq24161rger.kicad_sym",
      "footprint": "bq24161rger.kicad_mod",
      "model_3d": "bq24161rger-hero.glb",
      "model_3d_plain": "bq24161rger-etched.glb",
      "model_3d_step": "bq24161rger-etched.step",
      "model_3d_step_plain": "bq24161rger.step",
      "lbr": "bq24161rger.lbr"
    },
    "distributor_links": {
      "lcsc": "C2861094",
      "digikey": "BQ24161RGER-ND",
      "mouser": "595-BQ24161RGER"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T19:22:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "BQ24161RGER-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-BQ24161RGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connect on the BQ24161 (D- is only used on BQ24160/BQ24163 at this location)."
      },
      {
        "number": "2",
        "name": "PSEL",
        "type": "input",
        "description": "USB source detection input: high starts USB at 100 mA (BQ24161/8) or 500 mA (BQ24161B), low starts USB at 1.5 A; has no effect on IN and must not be left unconnected."
      },
      {
        "number": "3",
        "name": "SCL",
        "type": "input",
        "description": "I2C interface clock; connect to the logic rail through a 10-kΩ resistor."
      },
      {
        "number": "4",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data; connect to the logic rail through a 10-kΩ resistor."
      },
      {
        "number": "5",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground terminal; connect to the thermal pad and the ground plane of the circuit, and it must be grounded at all times."
      },
      {
        "number": "6",
        "name": "DRV",
        "type": "power_out",
        "description": "Gate drive supply for the internal MOSFETs; bypass to PGND with a 1-μF ceramic capacitor, and it can drive external loads up to 10 mA."
      },
      {
        "number": "7",
        "name": "INT",
        "type": "output",
        "description": "Open-drain status output that pulls low during charging and sends a 128-μs pulse on faults; connect to a logic rail through a 100-kΩ resistor."
      },
      {
        "number": "8",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain status output that pulls low during charging and sends a 128-μs pulse on faults; pull up through an LED or a 10-kΩ resistor."
      },
      {
        "number": "9",
        "name": "TS",
        "type": "input",
        "description": "Battery pack NTC monitor input connected to the center tap of a resistor divider from DRV to GND, with 4 JEITA thresholds on BQ24161B only; connect to DRV to disable."
      },
      {
        "number": "10",
        "name": "BGATE",
        "type": "output",
        "description": "Gate drive for an external P-channel discharge MOSFET; low during high impedance mode and when no input is connected."
      },
      {
        "number": "11",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery connection to the positive battery terminal; bypass to GND with at least a 1-μF capacitor."
      },
      {
        "number": "12",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery connection to the positive battery terminal; bypass to GND with at least a 1-μF capacitor."
      },
      {
        "number": "13",
        "name": "SYS",
        "type": "power_out",
        "description": "System voltage sense and charger FET connection; connect at the output bulk capacitors and bypass with at least 10 μF (47 μF recommended)."
      },
      {
        "number": "14",
        "name": "SYS",
        "type": "power_out",
        "description": "System voltage sense and charger FET connection; connect at the output bulk capacitors and bypass with at least 10 μF (47 μF recommended)."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground terminal; connect to the thermal pad and the ground plane of the circuit, and it must be grounded at all times."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground terminal; connect to the thermal pad and the ground plane of the circuit, and it must be grounded at all times."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground terminal; connect to the thermal pad and the ground plane of the circuit, and it must be grounded at all times."
      },
      {
        "number": "18",
        "name": "SW",
        "type": "output",
        "description": "Inductor connection; connect to the switched side of the external inductor."
      },
      {
        "number": "19",
        "name": "BOOT",
        "type": "input",
        "description": "High-side MOSFET gate driver supply; connect a 0.01-μF ceramic capacitor (rated above 10 V) from BOOT to SW."
      },
      {
        "number": "20",
        "name": "PMIDI",
        "type": "power_out",
        "description": "Reverse blocking and high-side MOSFET connection point for the high-power IN input; bypass with at least 4.7 μF, and the output is not current limited."
      },
      {
        "number": "21",
        "name": "IN",
        "type": "power_in",
        "description": "Input power supply from the external DC supply (rated 20 V absolute max, 4.2 V to 10 V operating for BQ24161); bypass to PGND with at least 1 μF."
      },
      {
        "number": "22",
        "name": "USB",
        "type": "power_in",
        "description": "USB input power supply from an AC adapter or USB port (4.2 V to 6 V operating); bypass to PGND with at least 1 μF."
      },
      {
        "number": "23",
        "name": "PMIDU",
        "type": "power_out",
        "description": "Reverse blocking and high-side MOSFET connection point for the USB input; bypass with at least 4.7 μF, and the output is not current limited."
      },
      {
        "number": "24",
        "name": "CD",
        "type": "input",
        "description": "Hardware chip disable input: high places the device in high-z mode, low is normal operation; do not leave unconnected."
      },
      {
        "number": "25",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 1 is N.C. on BQ24161 per the top-view figure text; the pin table only shows the D– pin 1 entry f; The datasheet labels the exposed pad 'Pad' with no number; the actual pad designator is not printed.; The table lists SYS, BOOT, PMIDI and PMIDU with I/O directions that don't map directly to ERC power ",
          "exposed pad 25 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.3134,
        "at": "2026-11-02T19:22:04"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/bq24161rger.pdf",
        "pages": 54,
        "sha256": "5c151470748871c8",
        "source_tier": "mfr"
      },
      "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": "bq24161rger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq24161rger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e1b4e576253f0cc183a7b3c56e80ecc2eefe24d3e47d8aefd7860588782002ea",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RGE0024H",
      "source_page": 51,
      "D": {
        "nom_mm": 4,
        "range_mm": [
          3.9,
          4.1
        ]
      },
      "E1": {
        "nom_mm": 4,
        "range_mm": [
          3.9,
          4.1
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1,
        "range_mm": [
          null,
          1
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "bq24161rger.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-24-EP(4x4)",
      "Category": "Power Supply Chip",
      "Pins": "25"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5c151470748871c83508bf55259c2689ed2c165adbeb4536a683a11a52b78c3a",
      "rows": [
        {
          "name": "System regulation voltage, charge enabled, VBAT < VMINSYS",
          "symbol": "VSYS(REG)",
          "kind": "electrical",
          "unit": "V",
          "min": 3.6,
          "typ": 3.7,
          "max": 3.82,
          "conditions": "Charge Enabled, VBAT < VMINSYS, BQ24160, 1, 1B, 8",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "System regulation voltage, battery FET off",
          "symbol": "VSYS(REG)",
          "kind": "electrical",
          "unit": "% above VBATREG",
          "min": 1.5,
          "typ": 3,
          "max": 4.17,
          "conditions": "Battery FET turned off (Charge Disabled, TS Fault or Charging Terminated); VBATREG + x%",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Minimum system regulation voltage",
          "symbol": "VMINSYS",
          "kind": "electrical",
          "unit": "V",
          "min": 3.4,
          "typ": 3.5,
          "max": 3.62,
          "conditions": "Charge enabled, VBAT < VMINSYS, Input current limit or VINDPM active, BQ24160, 1, 1B, 8",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Battery charger MOSFET on-resistance",
          "symbol": "RON(BAT-SYS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 50,
          "max": 70,
          "conditions": "Measured from BAT to SYS, VBAT = 4.2V, RGE pkg",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Charge voltage programmable range",
          "symbol": "VBATREG",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": 4.44,
          "conditions": "Operating in voltage regulation, Programmable range",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Voltage regulation accuracy",
          "symbol": "VBATREG",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Operating in voltage regulation",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Fast charge current range",
          "symbol": "ICHARGE",
          "kind": "electrical",
          "unit": "mA",
          "min": 550,
          "typ": null,
          "max": 2500,
          "conditions": "VBATSHRT ≤ VBAT < VBAT(REG) programmable range",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Fast charge current accuracy",
          "symbol": "ICHARGE",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "0°C to 125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Battery short circuit threshold",
          "symbol": "VBATSHRT",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": 2,
          "max": 2.1,
          "conditions": "100mV Hysteresis, BQ24161, 3, 8",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Termination charge current accuracy",
          "symbol": "ITERM",
          "kind": "tolerance",
          "unit": "%",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "ITERM = 50mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Termination charge current accuracy",
          "symbol": "ITERM",
          "kind": "tolerance",
          "unit": "%",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "ITERM = 100mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Termination charge current accuracy",
          "symbol": "ITERM",
          "kind": "tolerance",
          "unit": "%",
          "min": -15,
          "typ": null,
          "max": 15,
          "conditions": "ITERM ≥ 150mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "USB input current limit",
          "symbol": "IIN_USB",
          "kind": "electrical",
          "unit": "mA",
          "min": 90,
          "typ": 95,
          "max": 100,
          "conditions": "USB charge mode, VUSB = 5V, IUSBLIM = USB100",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "USB input current limit",
          "symbol": "IIN_USB",
          "kind": "electrical",
          "unit": "mA",
          "min": 450,
          "typ": 475,
          "max": 500,
          "conditions": "USB charge mode, VUSB = 5V, IUSBLIM = USB500",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "USB input current limit",
          "symbol": "IIN_USB",
          "kind": "electrical",
          "unit": "mA",
          "min": 1250,
          "typ": 1400,
          "max": 1500,
          "conditions": "USB charge mode, VUSB = 5V, IUSBLIM = 1.5A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "IN input current limit",
          "symbol": "IIN_IN",
          "kind": "electrical",
          "unit": "A",
          "min": 1.35,
          "typ": 1.5,
          "max": 1.65,
          "conditions": "IN charge mode, VIN = 5V, IINLIM = 1.5A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "IN input current limit",
          "symbol": "IIN_IN",
          "kind": "electrical",
          "unit": "A",
          "min": 2.3,
          "typ": 2.5,
          "max": 2.8,
          "conditions": "IN charge mode, VIN = 5V, IINLIM = 2.5A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input based DPM threshold range",
          "symbol": "VIN_DPM",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": null,
          "max": 4.76,
          "conditions": "Charge mode, programmable via I2C, both inputs",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "VIN_DPM threshold accuracy",
          "symbol": "VIN_DPM",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Internal bias regulator voltage",
          "symbol": "VDRV",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": 5.2,
          "max": 5.45,
          "conditions": "VSUPPLY > 5.45V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "IC active threshold voltage",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 3.6,
          "typ": 3.8,
          "max": 4,
          "conditions": "VIN rising",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Sleep-mode entry threshold",
          "symbol": "VSLP",
          "kind": "electrical",
          "unit": "mV",
          "min": 0,
          "typ": 40,
          "max": 100,
          "conditions": "2.0V ≤VBAT ≤VBATREG, VIN falling",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Sleep-mode exit hysteresis",
          "symbol": "VSLP_EXIT",
          "kind": "electrical",
          "unit": "mV",
          "min": 40,
          "typ": 100,
          "max": 175,
          "conditions": "2.0V ≤VBAT ≤VBATREG",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "USB input supply OVP threshold",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "V",
          "min": 6.3,
          "typ": 6.5,
          "max": 6.7,
          "conditions": "USB, VUSB Rising",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "IN input supply OVP threshold",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "V",
          "min": 10.3,
          "typ": 10.5,
          "max": 10.7,
          "conditions": "IN, VIN Rising (BQ24160/1/1B/3)",
          "source_page": 9,
          "source": "datasheet"
        },
        {
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