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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{
"slug": "bq7791504pwr",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments Battery Management, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management (pmic)",
"bq7791504pwr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"component": {
"mpn": "BQ7791504PWR",
"manufacturer": "Texas Instruments",
"package": "TSSOP-24",
"pin_count": 24,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://www.ti.com/lit/ds/symlink/bq77915.pdf",
"parts": {
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"footprint": "bq7791504pwr.kicad_mod",
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"lbr": "bq7791504pwr.lbr"
},
"distributor_links": {
"lcsc": "C2873309",
"digikey": "296-BQ7791504PWRTR-ND",
"mouser": "595-BQ7791504PWR"
},
"distributor_check": {
"checked_at": "2026-11-05T22:37:27Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-BQ7791504PWRTR-ND",
"status": "found"
},
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"pn": "595-BQ7791504PWR",
"status": "found"
}
},
"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."
}
],
"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 pinout is taken from the BQ77915 family datasheet's Pin Configuration (PW 24-pin TSSOP) table. T"
],
"pages_sent": 10,
"cost_usd": 0.0243,
"at": "2026-11-05T22:37:17"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/bq77915.pdf",
"pages": 56,
"sha256": "b4c3be4ca64c0bd0",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"zmin_mm": 0.0,
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"footprint_binding": "identity",
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"checked": "2026-11-05",
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}