BQ25890HRTWR

{
  "slug": "bq25890hrtwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Battery Management, WQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bq25890hrtwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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    "bq25890hrtwr.step",
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  "component": {
    "mpn": "BQ25890HRTWR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://www.ti.com/lit/ds/symlink/bq25890h.pdf",
    "parts": {
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      "footprint": "bq25890hrtwr.kicad_mod",
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      "lbr": "bq25890hrtwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C165153",
      "digikey": "296-49153-2-ND",
      "mouser": "595-BQ25890HRTWR"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T22:40:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-49153-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-BQ25890HRTWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input voltage; place a 1-µF ceramic capacitor from VBUS to PGND as close to the IC as possible, and the RBFET connects VBUS to PMID."
      },
      {
        "number": "2",
        "name": "D+",
        "type": "bidirectional",
        "description": "Positive line of the USB data pair used for D+/D- host and charging port detection, which can be configured as an output driver by DP_DAC when a source is plugged in or in OTG mode."
      },
      {
        "number": "3",
        "name": "D–",
        "type": "bidirectional",
        "description": "Negative line of the USB data pair used for D+/D- host and charging port detection, which can be configured as an output driver by DM_DAC when a source is plugged in or in OTG mode."
      },
      {
        "number": "4",
        "name": "STAT",
        "type": "output",
        "description": "Open-drain charge status output that goes LOW during charge in progress and HIGH for charge complete or charge disabled, connected to the pull-up rail via 10 kΩ."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "I2C interface clock input that connects to the logic rail through a 10-kΩ resistor."
      },
      {
        "number": "6",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C interface data line that connects to the logic rail through a 10-kΩ resistor."
      },
      {
        "number": "7",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output that sends an active-low 256-µs pulse to the host to report charger status and faults, connected to a logic rail via 10 kΩ."
      },
      {
        "number": "8",
        "name": "OTG",
        "type": "input",
        "description": "Active-high enable pin for boost mode, which is activated when OTG_CONFIG = 1 and the OTG pin is high."
      },
      {
        "number": "9",
        "name": "CE",
        "type": "input",
        "description": "Active-low charge enable pin; battery charging is enabled when CHG_CONFIG = 1 and CE is low, and CE must be pulled high or low."
      },
      {
        "number": "10",
        "name": "ILIM",
        "type": "input",
        "description": "Input current limit pin that regulates ILIM at 0.8 V with a resistor to ground setting IINMAX = KILIM/RILIM, and can also monitor input current below 0.8 V."
      },
      {
        "number": "11",
        "name": "TS",
        "type": "input",
        "description": "Temperature qualification input for an NTC thermistor, with a resistor divider from REGN to TS to GND; charge suspends when TS is out of range."
      },
      {
        "number": "12",
        "name": "QON",
        "type": "input",
        "description": "BATFET enable/reset control input with an internal pull-up; a logic low of about 1 s exits ship mode and about 15 s resets system power when VBUS is not plugged in."
      },
      {
        "number": "13",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery connection point to the positive battery terminal, with the internal BATFET connected between BAT and SYS; connect 10 µF close to the BAT pin."
      },
      {
        "number": "14",
        "name": "BAT",
        "type": "power_in",
        "description": "Battery connection point to the positive battery terminal, with the internal BATFET connected between BAT and SYS; connect 10 µF close to the BAT pin."
      },
      {
        "number": "15",
        "name": "SYS",
        "type": "power_out",
        "description": "System connection point; the switch-mode converter keeps SYS above the minimum system voltage (default 3.5 V) when the battery falls below it; connect 20 µF close to the SYS pin."
      },
      {
        "number": "16",
        "name": "SYS",
        "type": "power_out",
        "description": "System connection point; the switch-mode converter keeps SYS above the minimum system voltage (default 3.5 V) when the battery falls below it; connect 20 µF close to the SYS pin."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connection for the high-current converter node, connected internally to the source of the LSFET and to be tied with a single-point connection to analog GND."
      },
      {
        "number": "18",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connection for the high-current converter node, connected internally to the source of the LSFET and to be tied with a single-point connection to analog GND."
      },
      {
        "number": "19",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connecting to the output inductor, internally tied to the HSFET source and LSFET drain; connect the 0.047-µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connecting to the output inductor, internally tied to the HSFET source and LSFET drain; connect the 0.047-µF bootstrap capacitor from SW to BTST."
      },
      {
        "number": "21",
        "name": "BTST",
        "type": "passive",
        "description": "PWM high-side driver positive supply, connected to the bootstrap diode anode, with the 0.047-µF bootstrap capacitor connected from SW."
      },
      {
        "number": "22",
        "name": "REGN",
        "type": "power_out",
        "description": "PWM low-side driver positive supply output and bias rail of TS; connect a 4.7-µF (10 V rated) ceramic capacitor from REGN to analog GND close to the IC."
      },
      {
        "number": "23",
        "name": "PMID",
        "type": "passive",
        "description": "Connected to the drain of the reverse blocking MOSFET (RBFET) and the drain of HSFET; the rest of the input capacitance is placed from PMID to PGND after 1 µF on VBUS."
      },
      {
        "number": "24",
        "name": "DSEL",
        "type": "output",
        "description": "Active-high D+/D- multiplexer selection control that is normally low and drives high during input source type detection; connect a 47-nF (6 V rated) capacitor from DSEL to analog GND."
      },
      {
        "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-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 thermal pad is not given a numbered pin in the datasheet, so it is omitted from; Pin types are assigned from the datasheet's P, DI, DO, DIO, AI, AIO and AO classes mapped to KiCad E"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0463,
        "at": "2026-11-05T22:39:54"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/bq25890h.pdf",
        "pages": 67,
        "sha256": "958a42a1243e448f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}