component
BQ7791504PWR
Public Made by Adomby adom
Texas Instruments Battery Management, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "BQ7791504PWR",
"brief": "Texas Instruments Battery Management, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"manufacturer": "Texas Instruments",
"package": "TSSOP-24",
"pin_count": 24,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
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"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Device supply voltage input; recommended supply range is 3 V to 25 V and the absolute maximum input rating is 36 V."
},
{
"number": "2",
"name": "AVDD",
"type": "power_out",
"description": "Analog supply output that should only be connected to a capacitor; recommended range is 0 V to 3 V."
},
{
"number": "3",
"name": "VC5",
"type": "input",
"description": "Cell voltage sense input for the top cell; VC5-VC4 input range is 0 V to 5 V."
},
{
"number": "4",
"name": "VC4",
"type": "input",
"description": "Cell voltage sense input; VC4-VC3 input range is 0 V to 5 V and cell balancing current is up to 50 mA."
},
{
"number": "5",
"name": "VC3",
"type": "input",
"description": "Cell voltage sense input; VC3-VC2 input range is 0 V to 5 V and cell balancing current is up to 50 mA."
},
{
"number": "6",
"name": "VC2",
"type": "input",
"description": "Cell voltage sense input; VC2-VC1 input range is 0 V to 5 V and cell balancing current is up to 50 mA."
},
{
"number": "7",
"name": "VC1",
"type": "input",
"description": "Cell voltage sense input; VC1-VC0 input range is 0 V to 5 V and cell balancing current is up to 50 mA."
},
{
"number": "8",
"name": "VC0",
"type": "input",
"description": "Cell voltage sense input for the bottom cell; absolute maximum range is -0.3 V to 3.6 V."
},
{
"number": "9",
"name": "VSS",
"type": "power_in",
"description": "Analog ground; all voltages are referenced to this pin."
},
{
"number": "10",
"name": "SRP",
"type": "input",
"description": "Current sense input connected to the battery side of the sense resistor; recommended range is -0.2 V to 0.8 V."
},
{
"number": "11",
"name": "SRN",
"type": "input",
"description": "Current sense input connected to the pack side of the sense resistor; recommended range is -0.2 V to 0.8 V."
},
{
"number": "12",
"name": "DSG",
"type": "output",
"description": "DSG FET driver output; absolute maximum output voltage range is -0.3 V to 20 V and output current is 1 mA."
},
{
"number": "13",
"name": "CHG",
"type": "output",
"description": "CHG FET driver output; absolute maximum output voltage range is -30 V to 20 V and output current is 1 mA."
},
{
"number": "14",
"name": "LD",
"type": "input",
"description": "PACK- load removal detection input; absolute maximum range is -30 V to 20 V and recommended range is 0 V to 16 V."
},
{
"number": "15",
"name": "LPWR",
"type": "output",
"description": "HIBERNATE mode communication pin; connect to the PRES pin of the lower device in a stack, and leave floating for a single device."
},
{
"number": "16",
"name": "CBI",
"type": "input",
"description": "Cell balancing input; leave floating to disable cell balancing, do not drive with an external supply, and drive low to enable cell balancing."
},
{
"number": "17",
"name": "OCDP",
"type": "input",
"description": "Connect a resistor from this pin to VSS to program the OCD1/2 fault detection delay; use a 10-MΩ resistor to VSS for upper devices in a stack."
},
{
"number": "18",
"name": "TS",
"type": "input",
"description": "Thermistor measurement input; connect a 10-kΩ resistor to VSS if the function is not used."
},
{
"number": "19",
"name": "VTB",
"type": "output",
"description": "Thermistor bias output; recommended range is 0 V to 3 V."
},
{
"number": "20",
"name": "CCFG",
"type": "input",
"description": "Cell in-series configuration input; recommended range is 0 V to AVDD."
},
{
"number": "21",
"name": "CBO",
"type": "output",
"description": "Cell balancing output; connect through a 10-kΩ resistor to the CBI pin of the upper device in a stack, and leave floating for a single device."
},
{
"number": "22",
"name": "PRES",
"type": "input",
"description": "HIBERNATE mode input; drive high for NORMAL mode and leave floating for HIBERNATE mode; recommended range is 0 V to 16 V."
},
{
"number": "23",
"name": "CTRC",
"type": "input",
"description": "CHG and DSG override input; recommended range is 0 V to (VDD + 5) V."
},
{
"number": "24",
"name": "CTRD",
"type": "input",
"description": "CHG and DSG override input; recommended range is 0 V to (VDD + 5) V."
}
],
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"primary_model": "claude-haiku-5-5",
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"guards": "pin_guards 0.1: passed",
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"at": "2026-11-05T22:37:17"
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"Package": "TSSOP-24",
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"rows": [
{
"name": "Supply voltage",
"symbol": "VBAT",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": null,
"max": 25,
"conditions": "VDD",
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{
"name": "Operating free-air temperature range",
"symbol": "TOPR",
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"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 6,
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{
"name": "Input voltage range cell-to-cell",
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"name": "Input voltage range PRES",
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"name": "Input voltage range LD",
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{
"name": "Output voltage range CHG, DSG",
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{
"name": "Output voltage range VTB, AVDD, LPWR",
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"source": "datasheet"
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{
"name": "Input voltage range SRN, SRP",
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"min": -0.2,
"typ": null,
"max": 0.8,
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"source_page": 6,
"source": "datasheet"
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{
"name": "Input voltage absolute maximum VDD, VC5-VC4, CTRD, CTRC",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 36,
"conditions": "VDD, VC5, VC4, VC3, VC2, VC1, CTRD, CTRC",
"source_page": 5,
"source": "datasheet"
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{
"name": "Input voltage absolute maximum LD",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -30,
"typ": null,
"max": 20,
"conditions": "LD",
"source_page": 5,
"source": "datasheet"
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{
"name": "Input voltage absolute maximum PRES",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 36,
"conditions": "PRES",
"source_page": 5,
"source": "datasheet"
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{
"name": "Input voltage absolute maximum VC0, SRN, SRP, TS, AVDD, CCFG, CBI",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "VC0, SRN, SRP, TS, AVDD, CCFG, CBI",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output voltage absolute maximum DSG",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 20,
"conditions": "DSG",
"source_page": 5,
"source": "datasheet"
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{
"name": "Output voltage absolute maximum CHG",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
"min": -30,
"typ": null,
"max": 20,
"conditions": "CHG",
"source_page": 5,
"source": "datasheet"
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{
"name": "Output voltage absolute maximum CBO",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
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"max": 36,
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"source": "datasheet"
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{
"name": "Output voltage absolute maximum LPWR",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
"min": -30,
"typ": null,
"max": 3.6,
"conditions": "LPWR",
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"source": "datasheet"
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{
"name": "Output voltage absolute maximum VTB, OCDP",
"symbol": "VO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "VTB, OCDP",
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"source": "datasheet"
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{
"name": "Input current absolute maximum LD, CHG",
"symbol": "II",
"kind": "absolute_maximum",
"unit": "µA",
"min": null,
"typ": null,
"max": 500,
"conditions": "LD, CHG",
"source_page": 5,
"source": "datasheet"
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{
"name": "Input current absolute maximum DSG",
"symbol": "II",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 1,
"conditions": "DSG",
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{
"name": "Output current absolute maximum CHG, DSG",
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"conditions": "CHG, DSG",
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{
"name": "Cell balancing output current absolute maximum",
"symbol": "IO",
"kind": "absolute_maximum",
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"max": 50,
"conditions": "Cell balancing current (VC5, VC4, VC3, VC2, VC1, VC0)",
"source_page": 5,
"source": "datasheet"
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{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
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},
{
"name": "Lead temperature soldering 10 s",
"symbol": "TSOLDER",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 300,
"conditions": "10 s",
"source_page": 5,
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},
{
"name": "ESD human-body model",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -1000,
"typ": null,
"max": 1000,
"conditions": "HBM, per ANSI/ESDA/JEDEC JS-001",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ESD charged-device model",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -250,
"typ": null,
"max": 250,
"conditions": "CDM, per JEDEC JESD22-C101",
"source_page": 5,
"source": "datasheet"
},
{
"name": "NORMAL mode current",
"symbol": "ICC",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 8,
"max": 15,
"conditions": "Cell1 through Cell5 = 4 V, VDD = 20 V, No cell balancing",
"source_page": 7,
"source": "datasheet"
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{
"name": "HIBERNATE mode current",
"symbol": "IHIB",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 2,
"max": 3,
"conditions": "Cell1 through Cell5 = 4 V, VDD = 20 V, HIBERNATE mode",
"source_page": 7,
"source": "datasheet"
},
{
"name": "SHUTDOWN mode current",
"symbol": "IOFF",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "VDD < VSHUT, CTRC/CTRD floating",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Overvoltage programmable threshold range",
"symbol": "VOV",
"kind": "electrical",
"unit": "mV",
"min": 3000,
"typ": null,
"max": 4575,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Undervoltage programmable threshold range",
"symbol": "VUV",
"kind": "electrical",
"unit": "mV",
"min": 1200,
"typ": null,
"max": 3000,
"conditions": "",
"source_page": 7,
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},
{
"name": "OV detection accuracy",
"symbol": "VVA",
"kind": "tolerance",
"unit": "mV",
"min": -10,
"typ": null,
"max": 10,
"conditions": "TA = 25°C, OV detection accuracy",
"source_page": 7,
"source": "datasheet"
},
{
"name": "UV detection accuracy",
"symbol": "VVA",
"kind": "tolerance",
"unit": "mV",
"min": -18,
"typ": null,
"max": 18,
"conditions": "TA = 25°C, UV detection accuracy",
"source_page": 7,
"source": "datasheet"
},
{
"name": "OV UV detection accuracy over 0 to 60 °C",
"symbol": "VVA",
"kind": "tolerance",
"unit": "mV",
"min": -28,
"typ": null,
"max": 26,
"conditions": "TA = 0 to 60°C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "OV UV detection accuracy over -40 to +85 °C",
"symbol": "VVA",
"kind": "tolerance",
"unit": "mV",
"min": -40,
"typ": null,
"max": 40,
"conditions": "TA = –40 to +85°C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Overcurrent charge programmable threshold range",
"symbol": "VOCC",
"kind": "electrical",
"unit": "mV",
"min": 5,
"typ": null,
"max": 80,
"conditions": "(VSRP-VSRN)",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Overcurrent discharge 1 programmable threshold range",
"symbol": "VOCD1",
"kind": "electrical",
"unit": "mV",
"min": -85,
"typ": null,
"max": -10,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Overcurrent discharge 2 programmable threshold range",
"symbol": "VOCD2",
"kind": "electrical",
"unit": "mV",
"min": -170,
"typ": null,
"max": -20,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Short circuit discharge programmable threshold range",
"symbol": "VSCD",
"kind": "electrical",
"unit": "mV",
"min": -340,
"typ": null,
"max": -40,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "OCD1 detection accuracy at lower thresholds",
"symbol": "VCCAL",
"kind": "tolerance",
"unit": "%",
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