component
BQ25890HRTWR
Public Made by Adomby adom
Texas Instruments Battery Management, WQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "component",
"slug": "bq25890hrtwr",
"title": "BQ25890HRTWR",
"brief": "Texas Instruments Battery Management, WQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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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",
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"lcsc": "C165153",
"digikey": "296-49153-2-ND",
"mouser": "595-BQ25890HRTWR"
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"distributor_check": {
"checked_at": "2026-11-05T22:40:02Z",
"source": "Component Ocean /api/assign-pns",
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"status": "found"
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"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)."
}
],
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"primary_model": "claude-haiku-5-5",
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
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],
"pages_sent": 27,
"cost_usd": 0.0463,
"at": "2026-11-05T22:39:54"
},
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"sha256": "958a42a1243e448f",
"source_tier": "mfr"
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-24(4x4)",
"Category": "Power Management (PMIC)",
"Pins": "25"
},
"appearance": {
"contacts": {
"quote": "1. Place input capacitor as close as possible to PMID pin and GND pin connections and use shortest copper",
"page": 57,
"doc": "ds.pdf",
"material": "copper"
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"rows": [
{
"name": "Input voltage",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 3.9,
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"conditions": "",
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{
"name": "Input current (VBUS)",
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{
"name": "Output current (SW)",
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{
"name": "Fast charging current",
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"name": "Discharging current with internal MOSFET, continuous",
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"typ": null,
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"conditions": "up to 1 sec duration",
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{
"name": "Operating free-air temperature range",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "VBUS voltage",
"symbol": "VBUS",
"kind": "absolute_maximum",
"unit": "V",
"min": -2,
"typ": null,
"max": 22,
"conditions": "converter not switching",
"source_page": 6,
"source": "datasheet"
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{
"name": "PMID voltage",
"symbol": "PMID",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 22,
"conditions": "converter not switching",
"source_page": 6,
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{
"name": "STAT voltage",
"symbol": "STAT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "DSEL voltage",
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"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "BTST voltage",
"symbol": "BTST",
"kind": "absolute_maximum",
"unit": "V",
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"source_page": 6,
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{
"name": "SW voltage",
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"kind": "absolute_maximum",
"unit": "V",
"min": -2,
"typ": null,
"max": 16,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "SW voltage peak",
"symbol": "SW",
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"typ": null,
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"conditions": "peak for 10 ns duration",
"source_page": 6,
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{
"name": "BAT, SYS voltage",
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"kind": "absolute_maximum",
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"max": 6,
"conditions": "converter not switching",
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"source": "datasheet"
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{
"name": "SDA, SCL, INT, OTG, REGN, TS, CE, QON voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
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"conditions": "",
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{
"name": "D+, D- voltage",
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"min": -0.3,
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{
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"min": -0.3,
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"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "PGND to GND voltage",
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"min": -0.3,
"typ": null,
"max": 0.3,
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{
"name": "ILIM voltage",
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"kind": "absolute_maximum",
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"source_page": 6,
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{
"name": "Output sink current INT, STAT",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 6,
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{
"name": "Output sink current DSEL",
"symbol": "",
"kind": "absolute_maximum",
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"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Junction temperature",
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"kind": "absolute_maximum",
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"min": -40,
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{
"name": "Storage temperature range",
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"min": -65,
"typ": null,
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{
"name": "Battery discharge current (BAT, SW, SYS) in buck mode, leakage",
"symbol": "IBAT",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 5,
"conditions": "VBAT = 4.2 V, V(VBUS) < V(UVLO), leakage between BAT and VBUS",
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{
"name": "Battery discharge current in High-Z mode, BATFET disabled",
"symbol": "IBAT",
"kind": "electrical",
"unit": "µA",
"min": 12,
"typ": null,
"max": 23,
"conditions": "High-Z mode, no VBUS, BATFET disabled (REG09[5]=1), battery monitor disabled, TJ < 85°C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Battery discharge current in High-Z mode, BATFET enabled",
"symbol": "IBAT",
"kind": "electrical",
"unit": "µA",
"min": 32,
"typ": null,
"max": 60,
"conditions": "High-Z mode, no VBUS, BATFET enabled (REG09[5]=0), battery monitor disabled, TJ < 85°C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Input supply current (VBUS) in High-Z mode",
"symbol": "I(VBUS_HIZ)",
"kind": "electrical",
"unit": "µA",
"min": 15,
"typ": null,
"max": 35,
"conditions": "V(VBUS)= 5 V, High-Z mode, no battery, battery monitor disabled",
"source_page": 7,
"source": "datasheet"
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{
"name": "Input supply current (VBUS) converter not switching",
"symbol": "I(VBUS)",
"kind": "electrical",
"unit": "mA",
"min": 1.5,
"typ": null,
"max": 3,
"conditions": "VBUS > V(UVLO), VBUS > VBAT, converter not switching",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Battery discharge current in boost mode, PFM_OTG_DIS=1",
"symbol": "I(BOOST)",
"kind": "electrical",
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"min": null,
"typ": null,
"max": 15,
"conditions": "VBAT = 4.2 V, boost mode, I(VBUS)= 0 A, converter switching, PFM_OTG_DIS=1",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VBUS operating range",
"symbol": "V(VBUS_OP)",
"kind": "electrical",
"unit": "V",
"min": 3.9,
"typ": null,
"max": 14,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Sleep mode falling threshold",
"symbol": "V(SLEEP)",
"kind": "electrical",
"unit": "mV",
"min": 25,
"typ": 65,
"max": 120,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Sleep mode rising threshold",
"symbol": "V(SLEEPZ)",
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