component
BQ25611DRTWT
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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"slug": "bq25611drtwt",
"title": "BQ25611DRTWT",
"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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"power management (pmic)",
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],
"component": {
"mpn": "BQ25611DRTWT",
"manufacturer": "Texas Instruments",
"package": "WQFN-24(4x4)",
"pin_count": 25,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://www.ti.com/cn/lit/gpn/bq25611d",
"parts": {
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"model_3d_step_plain": "bq25611drtwt.step",
"lbr": "bq25611drtwt.lbr"
},
"distributor_links": {
"lcsc": "C5219073",
"digikey": "296-BQ25611DRTWTTR-ND",
"mouser": "595-BQ25611DRTWT"
},
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"checked_at": "2026-10-20T17:37:43Z",
"source": "Component Ocean /api/assign-pns",
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},
"pins": [
{
"number": "1",
"name": "VAC",
"type": "power_in",
"description": "Input voltage sensing pin that must be tied to VBUS."
},
{
"number": "2",
"name": "D+",
"type": "bidirectional",
"description": "Positive USB data line used for D+/D- based host and charging port detection, including DCD, BC1.2 primary and secondary detection, and nonstandard adapters."
},
{
"number": "3",
"name": "D-",
"type": "bidirectional",
"description": "Negative USB data line used for D+/D- based host and charging port detection, including DCD, BC1.2 primary and secondary detection, and nonstandard adapters."
},
{
"number": "4",
"name": "STAT",
"type": "output",
"description": "Open-drain charger status output that is LOW during charge in progress, HIGH when charge is complete or in SLEEP mode, and blinks at 1 Hz on charge suspend fault; connect to a logic rail through 10 kΩ."
},
{
"number": "5",
"name": "SCL",
"type": "input",
"description": "I2C interface clock input that must be connected to the logic rail through a 10-kΩ resistor."
},
{
"number": "6",
"name": "SDA",
"type": "bidirectional",
"description": "I2C interface data line that must be connected to the logic rail through a 10-kΩ resistor."
},
{
"number": "7",
"name": "INT",
"type": "output",
"description": "Open-drain interrupt output that must be connected to a logic rail through 10 kΩ and sends an active-low 256 µs pulse to report charger status and faults."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "Not connected."
},
{
"number": "9",
"name": "CE",
"type": "input",
"description": "Charge enable input where battery charging is enabled when the pin is driven LOW."
},
{
"number": "10",
"name": "BATSNS",
"type": "input",
"description": "Battery voltage sense input for charge voltage regulation, which should be connected to the positive battery terminal; if open or shorted to ground, BATSNS_STAT is set and the charger regulates through BAT."
},
{
"number": "11",
"name": "TS",
"type": "input",
"description": "Battery temperature qualification input for an NTC thermistor, where charge and boost mode are suspended when the TS voltage is out of range."
},
{
"number": "12",
"name": "QON",
"type": "input",
"description": "BATFET enable/reset control input with an internal 6.5 V clamp, where a LOW of tSHIPMODE exits ship mode and a LOW of tQON_RST (minimum 8 s) resets the system by turning BATFET off for tBATFET_RST (minimum 250 ms)."
},
{
"number": "13",
"name": "BAT",
"type": "power_out",
"description": "Battery connection to the positive terminal of the battery pack, with the internal current sense resistor between SYS and BAT; connect a 10 µF capacitor closely to this pin."
},
{
"number": "14",
"name": "BAT",
"type": "power_out",
"description": "Battery connection to the positive terminal of the battery pack, with the internal current sense resistor between SYS and BAT; connect a 10 µF capacitor closely to this pin."
},
{
"number": "15",
"name": "SYS",
"type": "power_out",
"description": "System output connection point with the internal current sense resistor between SYS and BAT; connect a 10 µF (min) capacitor closely to this pin."
},
{
"number": "16",
"name": "SYS",
"type": "power_out",
"description": "System output connection point with the internal current sense resistor between SYS and BAT; connect a 10 µF (min) capacitor closely to this pin."
},
{
"number": "17",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "19",
"name": "SW",
"type": "passive",
"description": "Switching node connecting to the output inductor, internally connected to the source of HSFET and drain of LSFET; 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 connected to the source of HSFET and drain of LSFET; 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 internally to the cathode of the bootstrap diode; connect the 0.047 µF bootstrap capacitor from SW to BTST."
},
{
"number": "22",
"name": "REGN",
"type": "power_out",
"description": "PWM low-side driver positive supply output connected internally to the anode of the bootstrap diode; connect a 4.7 µF (10 V rating) ceramic capacitor from REGN to analog GND close to the IC."
},
{
"number": "23",
"name": "PMID",
"type": "passive",
"description": "Connected to the drain of the RBFET and the drain of HSFET; place a 10 µF capacitor from PMID to GND."
},
{
"number": "24",
"name": "VBUS",
"type": "power_in",
"description": "Charger input voltage connected to the RBFET with VBUS on its source; place a 1 µF ceramic capacitor from VBUS to GND as close as possible to the device."
},
{
"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": [
"extractor flagged: The datasheet describes a Thermal Pad (ground reference and heat path) on the RTW package but does n; The pin table lists several shared names with two physical pin numbers (BAT 13/14, SYS 15/16, GND 17; The datasheet's section 6 and pin table reference a 24-pin RTW WQFN; the orderable list on the last ",
"exposed pad 25 added from the footprint"
],
"pages_sent": 11,
"cost_usd": 0.0768,
"at": "2026-10-20T17:35:57"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/bq25611d",
"pages": 63,
"sha256": "389b6ef272ca0182",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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{
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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": 51,
"doc": "ds.pdf",
"material": "copper"
},
"version": 1,
"datasheet_sha256": "389b6ef272ca0182e25908f49d6ef3561bea7d36bb4a2aa4d200cc00603914f0"
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"rows": [
{
"name": "Input voltage",
"symbol": "VVBUS",
"kind": "recommended_operating",
"unit": "V",
"min": 4,
"typ": null,
"max": 13.5,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Battery voltage",
"symbol": "VBAT",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 4.52,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Input current",
"symbol": "IVBUS",
"kind": "recommended_operating",
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"min": null,
"typ": null,
"max": 3.2,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Output current (SW)",
"symbol": "ISW",
"kind": "recommended_operating",
"unit": "A",
"min": null,
"typ": null,
"max": 3.2,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Fast charging current",
"symbol": "IBAT",
"kind": "recommended_operating",
"unit": "A",
"min": null,
"typ": null,
"max": 3,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "RMS discharge current",
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"min": null,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 6,
"source": "datasheet"
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{
"name": "Ambient temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Voltage VAC (converter not switching)",
"symbol": "VAC",
"kind": "absolute_maximum",
"unit": "V",
"min": -2,
"typ": null,
"max": 22,
"conditions": "converter not switching",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Voltage VBUS (converter not switching)",
"symbol": "VBUS",
"kind": "absolute_maximum",
"unit": "V",
"min": -2,
"typ": null,
"max": 22,
"conditions": "converter not switching",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Voltage PMID (converter not switching)",
"symbol": "VPMID",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 22,
"conditions": "converter not switching",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Voltage SW",
"symbol": "VSW",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 16,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Voltage BAT, SYS (converter not switching)",
"symbol": "VBAT, VSYS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "converter not switching",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Voltage BTST",
"symbol": "VBTST",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 22,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Voltage BATSNS (converter not switching)",
"symbol": "VBATSNS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "converter not switching",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Voltage D+, D-, STAT, SCL, SDA, INT, CE, TS, QON, REGN",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output sink current STAT, INT",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Enter Sleep mode threshold",
"symbol": "VSLEEP",
"kind": "electrical",
"unit": "mV",
"min": 15,
"typ": 60,
"max": 110,
"conditions": "VBUS falling, VBUS - VBAT, VBAT = 4V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Exit Sleep mode threshold",
"symbol": "VSLEEPZ",
"kind": "electrical",
"unit": "mV",
"min": 115,
"typ": 220,
"max": 340,
"conditions": "VBUS rising, VBUS - VBAT, VBAT = 4V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VAC overvoltage rising threshold to turn off switching",
"symbol": "VACOV",
"kind": "electrical",
"unit": "V",
"min": 5.45,
"typ": 5.85,
"max": 6.07,
"conditions": "VAC rising, OVP[1:0]=00",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VAC overvoltage rising threshold to turn off switching",
"symbol": "VACOV",
"kind": "electrical",
"unit": "V",
"min": 6.1,
"typ": 6.4,
"max": 6.75,
"conditions": "VAC rising, OVP[1:0]=01",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VAC overvoltage rising threshold to turn off switching",
"symbol": "VACOV",
"kind": "electrical",
"unit": "V",
"min": 10.45,
"typ": 11,
"max": 11.55,
"conditions": "VAC rising, OVP[1:0]=10",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VAC overvoltage rising threshold to turn off switching (default)",
"symbol": "VACOV",
"kind": "electrical",
"unit": "V",
"min": 13.5,
"typ": 14.2,
"max": 14.85,
"conditions": "VAC rising, OVP[1:0]=11 (default)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VAC overvoltage falling threshold to resume switching",
"symbol": "VACOV",
"kind": "electrical",
"unit": "V",
"min": 5.2,
"typ": 5.6,
"max": 5.8,
"conditions": "VAC falling, OVP[1:0]=00",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VAC overvoltage falling threshold to resume switching",
"symbol": "VACOV",
"kind": "electrical",
"unit": "V",
"min": 5.8,
"typ": 6.2,
"max": 6.45,
"conditions": "VAC falling, OVP[1:0]=01",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VAC overvoltage falling threshold to resume switching",
"symbol": "VACOV",
"kind": "electrical",
"unit": "V",
"min": 10,
"typ": 10.7,
"max": 11.1,
"conditions": "VAC falling, OVP[1:0]=10",
"source_page": 7,
"source": "datasheet"
},
{
"name": "VAC overvoltage falling threshold to resume switching (default)",
"symbol": "VACOV",
"kind": "electrical",
"unit": "V",
"min": 13,
"typ": 13.9,
"max": 14.5,
"conditions": "VAC falling, OVP[1:0]=11 (default)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "BAT depletion falling threshold to turn off BATFET",
"symbol": "VBAT_DPL",
"kind": "electrical",
"unit": "V",
"min": 2.18,
"typ": 2.4,
"max": 2.55,
"conditions": "VBAT falling",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Bad adapter detection threshold",
"symbol": "VPOORSRC",
"kind": "electrical",
"unit": "V",
"min": 3.75,
"typ": 3.9,
"max": 4,
"conditions": "VBUS falling",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Charge voltage accuracy",
"symbol": "VREG_ACC",
"kind": "tolerance",
"unit": "V",
"min": 4.173,
"typ": 4.19,
"max": 4.2,
"conditions": "VREG = 4.19 V, TJ = –40°C - 85°C",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Charge voltage accuracy",
"symbol": "VREG_ACC",
"kind": "tolerance",
"unit": "V",
"min": 4.332,
"typ": 4.35,
"max": 4.367,
"conditions": "VREG = 4.35 V, TJ = –40°C - 85°C",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Fast charge current regulation accuracy",
"symbol": "ICHG_ACC",
"kind": "tolerance",
"unit": "A",
"min": 0.2112,
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