component
BQ76925PWR
Public Made by Adomby adom
Texas Instruments Battery Management, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"slug": "bq76925pwr",
"title": "BQ76925PWR",
"brief": "Texas Instruments Battery Management, TSSOP-20. 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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"bq76925pwr",
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"component": {
"mpn": "BQ76925PWR",
"manufacturer": "Texas Instruments",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://www.ti.com/lit/ds/symlink/bq76925.pdf",
"parts": {
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"footprint": "bq76925pwr.kicad_mod",
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"lbr": "bq76925pwr.lbr"
},
"distributor_links": {
"lcsc": "C2846783",
"digikey": "296-29341-2-ND",
"mouser": "595-BQ76925PWR"
},
"distributor_check": {
"checked_at": "2026-11-05T21:26:12Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "296-29341-2-ND",
"status": "found"
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"pins": [
{
"number": "1",
"name": "VCTL",
"type": "output",
"description": "3.3-V regulator control voltage; it adjusts automatically to keep V3P3 at 3.3 V when a bypass FET is used, and VCTL is recommended between 0.8 V and 26.4 V."
},
{
"number": "2",
"name": "BAT",
"type": "power_in",
"description": "Supply voltage tied to the most positive cell, with a recommended range of 4.2 V to 26.4 V."
},
{
"number": "3",
"name": "VC6",
"type": "input",
"description": "Sense voltage input for the most positive cell."
},
{
"number": "4",
"name": "VC5",
"type": "input",
"description": "Sense voltage input for the second most positive cell."
},
{
"number": "5",
"name": "VC4",
"type": "input",
"description": "Sense voltage input for the third most positive cell."
},
{
"number": "6",
"name": "VC3",
"type": "input",
"description": "Sense voltage input for the fourth most positive cell."
},
{
"number": "7",
"name": "VC2",
"type": "input",
"description": "Sense voltage input for the fifth most positive cell."
},
{
"number": "8",
"name": "VC1",
"type": "input",
"description": "Sense voltage input for the least positive cell."
},
{
"number": "9",
"name": "VC0",
"type": "input",
"description": "Sense voltage input for the negative end of the cell stack, rated -3 V to 3 V absolute maximum, and negative swings should be avoided."
},
{
"number": "10",
"name": "VSS",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "11",
"name": "SENSEN",
"type": "input",
"description": "Negative current sense input, rated -3 V to 3 V absolute maximum."
},
{
"number": "12",
"name": "SENSEP",
"type": "input",
"description": "Positive current sense input, with a recommended range of -125 mV to 375 mV."
},
{
"number": "13",
"name": "ALERT",
"type": "output",
"description": "Overcurrent alert open-drain output, with a recommended alert function range of 0 V to 5.5 V."
},
{
"number": "14",
"name": "VIOUT",
"type": "output",
"description": "Current measurement voltage output, rated -0.3 V to 3.6 V absolute maximum."
},
{
"number": "15",
"name": "VCOUT",
"type": "output",
"description": "Cell measurement voltage output, rated -0.3 V to 3.6 V absolute maximum."
},
{
"number": "16",
"name": "VTB",
"type": "output",
"description": "Bias voltage output for the thermistor network, recommended up to 5.5 V."
},
{
"number": "17",
"name": "VREF",
"type": "power_in",
"description": "Reference voltage output for the host ADC, set to 1.5 V or 3 V by REFSEL."
},
{
"number": "18",
"name": "SDA",
"type": "bidirectional",
"description": "I2C data line (open drain), recommended range 0 V to 5.5 V."
},
{
"number": "19",
"name": "SCL",
"type": "input",
"description": "I2C clock line (open drain), recommended range 0 V to 5.5 V."
},
{
"number": "20",
"name": "V3P3",
"type": "power_out",
"description": "Integrated 3.3-V regulator output for powering the microcontroller or LEDs."
}
],
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"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": [],
"pages_sent": 11,
"cost_usd": 0.0261,
"at": "2026-11-05T21:25:54"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/bq76925.pdf",
"pages": 47,
"sha256": "32a71f49b482d2c8",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "bq76925pwr.step",
"role": "plain",
"up": "Z",
"units": "mm",
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"seat": "z = 0",
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"sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "bq76925pwr-etched.step",
"role": "eda",
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},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "TSSOP-20",
"Category": "Power Management (PMIC)",
"Pins": "20"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "32a71f49b482d2c8958da9646f93a8d58be53d02a5b420feb86c3d1a41fc69d5",
"rows": [
{
"name": "Supply voltage BAT",
"symbol": "VBAT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 36,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Cell input differential VCn to VCn+1",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 9,
"conditions": "n = 0 to 5",
"source_page": 4,
"source": "datasheet"
},
{
"name": "BAT to VC6 differential",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -10,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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{
"name": "VC0 input voltage",
"symbol": "VI",
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"unit": "V",
"min": -3,
"typ": null,
"max": 3,
"conditions": "VC0",
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{
"name": "SENSEP, SENSEN input voltage",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -3,
"typ": null,
"max": 3,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "SCL, SDA input voltage",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VCOUT, VIOUT, VREF output voltage",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VTB, V3P3 output voltage",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ALERT output voltage",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VCTL output voltage",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 36,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Cell balancing current",
"symbol": "ICB",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 70,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Cell input current",
"symbol": "IIN",
"kind": "absolute_maximum",
"unit": "mA",
"min": -25,
"typ": null,
"max": 70,
"conditions": "Cell input",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD HBM",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -2000,
"typ": null,
"max": 2000,
"conditions": "Human-body model per ANSI/ESDA/JEDEC JS-001",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD CDM",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -500,
"typ": null,
"max": 500,
"conditions": "Charged-device model per JEDEC JESD22-C101",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply voltage BAT",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 4.2,
"typ": null,
"max": 26.4,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Cell input differential VCn to VCn+1",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": 1.4,
"typ": null,
"max": 4.4,
"conditions": "n = 0 to 5",
"source_page": 5,
"source": "datasheet"
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{
"name": "BAT to VC6 differential",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": -8,
"typ": null,
"max": 8,
"conditions": "",
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"source": "datasheet"
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{
"name": "SCL, SDA input voltage",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "V3P3 backfeeding",
"symbol": "V3P3",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 5.5,
"conditions": "Backfeeding",
"source_page": 5,
"source": "datasheet"
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{
"name": "ALERT wakeup function voltage",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 26.4,
"conditions": "Wakeup function",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VCOUT, VIOUT output voltage",
"symbol": "VO",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": null,
"conditions": "Max is V3P3 + 0.2 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VTB voltage",
"symbol": "VTB",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "VCTL voltage",
"symbol": "VCTL",
"kind": "recommended_operating",
"unit": "V",
"min": 0.8,
"typ": null,
"max": 26.4,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ALERT voltage alert function",
"symbol": "VO",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 5.5,
"conditions": "Alert function",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Cell balancing current",
"symbol": "ICB",
"kind": "recommended_operating",
"unit": "mA",
"min": 0,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating free-air temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -25,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Functional free-air temperature",
"symbol": "TFUNC",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 97.5,
"max": null,
"conditions": "PW (TSSOP) 20 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-case (top) thermal resistance",
"symbol": "RθJC (top)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 31.7,
"max": null,
"conditions": "PW (TSSOP) 20 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-board thermal resistance",
"symbol": "RθJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 48.4,
"max": null,
"conditions": "PW (TSSOP) 20 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-top characterization parameter",
"symbol": "ψJT",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 1.5,
"max": null,
"conditions": "PW (TSSOP) 20 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-board characterization parameter",
"symbol": "ψJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 47.9,
"max": null,
"conditions": "PW (TSSOP) 20 pins",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Normal mode supply current",
"symbol": "IDD1",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 40,
"max": 48,
"conditions": "All device functions enabled; all pins unloaded; SDA and SCL high",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Standby mode 1 supply current",
"symbol": "IDD2",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 14,
"max": 17,
"conditions": "V3P3 and overcurrent monitor enabled; all pins unloaded; SDA and SCL high",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Standby mode 2 supply current",
"symbol": "IDD3",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 12,
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"min": null,
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{
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"min": null,
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{
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{
"name": "Regulator output",
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{
"name": "V3P3 short circuit current limit",
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"unit": "mA",
"min": 10,
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{
"name": "Thermistor bias internal resistance",
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"min": 90,
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"name": "Voltage reference output before gain correction REF_SEL=0",
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"min": 2.88,
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"typ": 1,
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"min": 25,
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