component
BQ7694204PFBR
Public Made by Adomby adom
Texas Instruments Battery Management, TQFP-48(7x7). 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": "bq7694204pfbr",
"title": "BQ7694204PFBR",
"brief": "Texas Instruments Battery Management, TQFP-48(7x7). 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)",
"bq7694204pfbr",
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],
"component": {
"mpn": "BQ7694204PFBR",
"manufacturer": "Texas Instruments",
"package": "TQFP-48(7x7)",
"pin_count": 48,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://www.ti.com/cn/lit/gpn/bq76942",
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"distributor_links": {
"lcsc": "C2873631",
"digikey": "296-BQ7694204PFBRTR-ND",
"mouser": "595-BQ7694204PFBR"
},
"distributor_check": {
"checked_at": "2026-10-08T17:10:05Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-BQ7694204PFBRTR-ND",
"status": "found",
"lifecycle": "Active"
},
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"pn": "595-BQ7694204PFBR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "This pin is not connected to silicon."
},
{
"number": "2",
"name": "VC9",
"type": "input",
"description": "Sense voltage input for the ninth cell from the bottom of the stack, balance current input for cell 9, and return balance current for cell 10."
},
{
"number": "3",
"name": "NC",
"type": "unconnected",
"description": "This pin is not connected to silicon."
},
{
"number": "4",
"name": "VC8",
"type": "input",
"description": "Sense voltage input for the eighth cell from the bottom of the stack, balance current input for cell 8, and return balance current for cell 9."
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "This pin is not connected to silicon."
},
{
"number": "6",
"name": "VC7",
"type": "input",
"description": "Sense voltage input for the seventh cell from the bottom of the stack, balance current input for cell 7, and return balance current for cell 8."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "This pin is not connected to silicon."
},
{
"number": "8",
"name": "VC6",
"type": "input",
"description": "Sense voltage input for the sixth cell from the bottom of the stack, balance current input for cell 6, and return balance current for cell 7."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "This pin is not connected to silicon."
},
{
"number": "10",
"name": "VC5",
"type": "input",
"description": "Sense voltage input for the fifth cell from the bottom of the stack, balance current input for cell 5, and return balance current for cell 6."
},
{
"number": "11",
"name": "NC",
"type": "unconnected",
"description": "This pin is not connected to silicon."
},
{
"number": "12",
"name": "VC4",
"type": "input",
"description": "Sense voltage input for the fourth cell from the bottom of the stack, balance current input for cell 4, and return balance current for cell 5."
},
{
"number": "13",
"name": "VC3",
"type": "input",
"description": "Sense voltage input for the third cell from the bottom of the stack, balance current input for cell 3, and return balance current for cell 4."
},
{
"number": "14",
"name": "VC2",
"type": "input",
"description": "Sense voltage input for the second cell from the bottom of the stack, balance current input for cell 2, and return balance current for cell 3."
},
{
"number": "15",
"name": "VC1",
"type": "input",
"description": "Sense voltage input for the first cell from the bottom of the stack, balance current input for cell 1, and return balance current for cell 2."
},
{
"number": "16",
"name": "VC0",
"type": "input",
"description": "Sense voltage input for the negative terminal of the first cell from the bottom of the stack, and return balance current for cell 1."
},
{
"number": "17",
"name": "VSS",
"type": "power_in",
"description": "Device ground."
},
{
"number": "18",
"name": "SRP",
"type": "input",
"description": "Analog input to the internal coulomb counter, connected to the top of the sense resistor, where a charging current produces a positive voltage at SRP relative to SRN and the differential voltage must stay within the ±200 mV range for current measurement."
},
{
"number": "19",
"name": "NC",
"type": "unconnected",
"description": "This pin is not connected to silicon."
},
{
"number": "20",
"name": "SRN",
"type": "input",
"description": "Analog input to the internal coulomb counter, connected to the bottom of the sense resistor, forming the differential pair with SRP."
},
{
"number": "21",
"name": "TS1",
"type": "bidirectional",
"description": "Thermistor input or general purpose ADC input (open-drain / analog I/O)."
},
{
"number": "22",
"name": "TS2",
"type": "bidirectional",
"description": "Thermistor input that also functions as wakeup from SHUTDOWN, or general purpose ADC input; should be left floating if the device is to enter SHUTDOWN mode."
},
{
"number": "23",
"name": "TS3",
"type": "bidirectional",
"description": "Thermistor input or general purpose ADC input (open-drain / analog I/O)."
},
{
"number": "24",
"name": "REG18",
"type": "power_out",
"description": "Internal 1.8 V LDO output, for internal use only."
},
{
"number": "25",
"name": "ALERT",
"type": "bidirectional",
"description": "Multifunction pin that can be the ALERT output, HDQ I/O, thermistor input, general purpose ADC input, or general purpose digital output."
},
{
"number": "26",
"name": "SCL",
"type": "bidirectional",
"description": "Multifunction pin that can be SCL or SPI_SCLK (open-drain I/O)."
},
{
"number": "27",
"name": "SDA",
"type": "bidirectional",
"description": "Multifunction pin that can be SDA or SPI_MISO (open-drain I/O)."
},
{
"number": "28",
"name": "HDQ",
"type": "bidirectional",
"description": "Multifunction pin that can be HDQ I/O, SPI_MOSI, thermistor input, general purpose ADC input, or general purpose digital output."
},
{
"number": "29",
"name": "CFETOFF",
"type": "bidirectional",
"description": "Multifunction pin that can be CFETOFF, SPI_CS, thermistor input, general purpose ADC input, or general purpose digital output."
},
{
"number": "30",
"name": "DFETOFF",
"type": "bidirectional",
"description": "Multifunction pin that can be DFETOFF or BOTHOFF, thermistor input, general purpose ADC input, or general purpose digital output."
},
{
"number": "31",
"name": "DCHG",
"type": "bidirectional",
"description": "Multifunction pin that can be DCHG, thermistor input, general purpose ADC input, or general purpose digital output."
},
{
"number": "32",
"name": "DDSG",
"type": "bidirectional",
"description": "Multifunction pin that can be DDSG, thermistor input, general purpose ADC input, or general purpose digital output."
},
{
"number": "33",
"name": "RST_SHUT",
"type": "input",
"description": "Digital input for reset or shutdown; it should be driven low during normal operation, and if held high for 1 second the device enters SHUTDOWN mode."
},
{
"number": "34",
"name": "REG2",
"type": "power_out",
"description": "Second LDO (REG2) output, programmable to 1.8 V, 2.5 V, 3.0 V, 3.3 V, or 5.0 V."
},
{
"number": "35",
"name": "REG1",
"type": "power_out",
"description": "First LDO (REG1) output, programmable to 1.8 V, 2.5 V, 3.0 V, 3.3 V, or 5.0 V."
},
{
"number": "36",
"name": "REGIN",
"type": "input",
"description": "Input pin for the REG1 and REG2 LDOs."
},
{
"number": "37",
"name": "BREG",
"type": "output",
"description": "Base control signal for an external preregulator transistor."
},
{
"number": "38",
"name": "FUSE",
"type": "bidirectional",
"description": "Fuse sense and drive pin, intended to drive the gate of an NFET used to blow a chemical fuse."
},
{
"number": "39",
"name": "PDSG",
"type": "output",
"description": "Predischarge PFET control output."
},
{
"number": "40",
"name": "PCHG",
"type": "output",
"description": "Precharge PFET control output."
},
{
"number": "41",
"name": "LD",
"type": "bidirectional",
"description": "Load detect pin."
},
{
"number": "42",
"name": "PACK",
"type": "input",
"description": "Pack sense input pin."
},
{
"number": "43",
"name": "DSG",
"type": "output",
"description": "NMOS discharge FET drive output pin."
},
{
"number": "44",
"name": "NC",
"type": "unconnected",
"description": "This pin is not connected to silicon."
},
{
"number": "45",
"name": "CHG",
"type": "output",
"description": "NMOS charge FET drive output pin."
},
{
"number": "46",
"name": "CP1",
"type": "bidirectional",
"description": "Charge pump capacitor pin."
},
{
"number": "47",
"name": "BAT",
"type": "power_in",
"description": "Primary power supply input pin."
},
{
"number": "48",
"name": "VC10",
"type": "input",
"description": "Sense voltage input for the tenth cell from the bottom of the stack, balance current input for cell 10, and top-of-stack measurement point."
}
],
"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 the family-wide BQ76942 TQFP (PFB) table; the datasheet does not publish a separate pi; BQ7694204 is the SPI, CRC-enabled variant with REG1 default 3.3 V (device comparison table). Pins 26; Pin types are mapped to KiCad ERC classes from the datasheet's I/O and TYPE columns: the I/O multifu"
],
"pages_sent": 26,
"cost_usd": 0.1769,
"at": "2026-10-08T17:09:42"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/bq76942",
"pages": 85,
"sha256": "a976a88e92abb957",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"footprint_binding": "identity",
"sha256": "14ca7676e4932e92f0eca0c6d56ce3018cd28a2531204a70ab7bbacb3eeb3cf5",
"checked": "2026-10-08",
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},
{
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"sha256": "14e5d72db9effbf41512453adfd4439dd3229893f273644439fd024430f435c0",
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},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "TQFP-48(7x7)",
"Category": "Power Management (PMIC)",
"Pins": "48"
}
},
"variants": [],
"sections": [
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],
"discovery_triggers": [
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],
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"author": {
"name": "Ray",
"email": "[email protected]"
},
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