component
BQ7791500PWT
Public Made by Adomby adom
Texas Instruments Battery Management ICs, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"name": "VDD",
"type": "power_in",
"description": "Supply voltage input; recommended operating range 3 V to 25 V, absolute maximum 36 V."
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{
"number": "2",
"name": "AVDD",
"type": "power_out",
"description": "Analog supply output; connect only to a capacitor."
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{
"number": "3",
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"description": "Cell voltage sense input for the top cell; absolute maximum 36 V, and 0 to 5 V per cell relative to adjacent input."
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{
"number": "4",
"name": "VC4",
"type": "input",
"description": "Cell voltage sense input; absolute maximum 36 V, and 0 to 5 V per cell relative to adjacent input."
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{
"number": "5",
"name": "VC3",
"type": "input",
"description": "Cell voltage sense input; absolute maximum 36 V, and 0 to 5 V per cell relative to adjacent input."
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{
"number": "6",
"name": "VC2",
"type": "input",
"description": "Cell voltage sense input; absolute maximum 36 V, and 0 to 5 V per cell relative to adjacent input."
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{
"number": "7",
"name": "VC1",
"type": "input",
"description": "Cell voltage sense input; absolute maximum 36 V, and 0 to 5 V per cell relative to adjacent input."
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{
"number": "8",
"name": "VC0",
"type": "input",
"description": "Cell voltage sense input for the bottom cell negative terminal; absolute maximum 3.6 V."
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{
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"type": "power_in",
"description": "Analog ground."
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{
"number": "10",
"name": "SRP",
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"description": "Current sense input connecting to the battery side of the sense resistor; operating range -0.2 V to 0.8 V."
},
{
"number": "11",
"name": "SRN",
"type": "input",
"description": "Current sense input connecting to the pack side of the sense resistor; operating range -0.2 V to 0.8 V."
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{
"number": "12",
"name": "DSG",
"type": "output",
"description": "DSG FET driver output; absolute maximum 20 V, operating output range 0 to 16 V."
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{
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"type": "output",
"description": "CHG FET driver output; absolute range -30 V to 20 V, operating output range 0 to 16 V."
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{
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"type": "input",
"description": "PACK- load removal detection input; absolute range -30 V to 20 V, operating range 0 to 16 V."
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{
"number": "15",
"name": "LPWR",
"type": "output",
"description": "HIBERNATE mode communication pin; connect to the PRES pin of the lower device in a stack, or leave floating for a single device."
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{
"number": "16",
"name": "CBI",
"type": "input",
"description": "Cell balancing input; leave floating to disable balancing, drive low to enable, do not drive with an external supply, and in a stack connect to CBO of the immediate lower device."
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{
"number": "17",
"name": "OCDP",
"type": "input",
"description": "A resistor to VSS programs the OCD1/2 fault detection delay; use a 10-MΩ resistor to VSS for the upper devices in a stack."
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{
"number": "18",
"name": "TS",
"type": "input",
"description": "Thermistor measurement input; connect a 10-kΩ resistor to VSS if the function is not used."
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{
"number": "19",
"name": "VTB",
"type": "output",
"description": "Thermistor bias output; operating range 0 to 3 V."
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{
"number": "20",
"name": "CCFG",
"type": "input",
"description": "Cell in-series configuration input; operating range 0 to AVDD."
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{
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{
"number": "22",
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"description": "HIBERNATE mode input; drive high for NORMAL mode, leave floating for HIBERNATE mode, and connect to LPWR of the upper device in a stack."
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{
"number": "23",
"name": "CTRC",
"type": "input",
"description": "CHG and DSG override input; operating range 0 to VDD+5 V, absolute maximum 36 V, with 10-MΩ current limit resistor recommended."
},
{
"number": "24",
"name": "CTRD",
"type": "input",
"description": "CHG and DSG override input; operating range 0 to VDD+5 V, absolute maximum 36 V, with 10-MΩ current limit resistor recommended."
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"min": 3,
"typ": null,
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"conditions": "",
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{
"name": "Operating free-air temperature",
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{
"name": "Absolute max VC0, SRN, SRP, TS, AVDD, CCFG, CBI",
"symbol": "VI",
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{
"name": "Absolute max CHG output",
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"unit": "V",
"min": -30,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Absolute max cell balancing current",
"symbol": "IO",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 50,
"conditions": "VC5..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,
"source": "datasheet"
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{
"name": "Lead temperature",
"symbol": "TSOLDER",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 300,
"conditions": "soldering, 10 s",
"source_page": 5,
"source": "datasheet"
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{
"name": "ESD HBM",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -1000,
"typ": null,
"max": 1000,
"conditions": "ANSI/ESDA/JEDEC JS-001",
"source_page": 5,
"source": "datasheet"
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{
"name": "ESD CDM",
"symbol": "V(ESD)",
"kind": "absolute_maximum",
"unit": "V",
"min": -250,
"typ": null,
"max": 250,
"conditions": "JESD22-C101",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "RΘJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 88.9,
"max": null,
"conditions": "PW (TSSOP) 24 pins",
"source_page": 7,
"source": "datasheet"
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{
"name": "Junction-to-case (top) thermal resistance",
"symbol": "RΘJC(top)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 26.5,
"max": null,
"conditions": "PW (TSSOP) 24 pins",
"source_page": 7,
"source": "datasheet"
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{
"name": "Junction-to-board thermal resistance",
"symbol": "RΘJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 43.5,
"max": null,
"conditions": "PW (TSSOP) 24 pins",
"source_page": 7,
"source": "datasheet"
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{
"name": "Shutdown threshold",
"symbol": "VSHUT",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": 3.25,
"conditions": "VDD falling, 6 to 0 V",
"source_page": 7,
"source": "datasheet"
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{
"name": "AVDD voltage",
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"kind": "electrical",
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"min": 2.1,
"typ": null,
"max": 3.6,
"conditions": "CVDD = 1 µF",
"source_page": 7,
"source": "datasheet"
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{
"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": "NORMAL mode current, balancing",
"symbol": "ICC",
"kind": "electrical",
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"min": null,
"typ": 48,
"max": 80,
"conditions": "Cell balancing cells 3, 4 or 5",
"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"
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{
"name": "Fault condition current",
"symbol": "ICFAULT",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 10,
"max": 15,
"conditions": "State comparator on",
"source_page": 7,
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{
"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": "Input leakage current at VCx pins",
"symbol": "ILKG_OW_DIS",
"kind": "electrical",
"unit": "nA",
"min": -100,
"typ": 0,
"max": 100,
"conditions": "All cell voltages = 4 V, open-wire disable configuration",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Open-wire sink current at VCx pins",
"symbol": "ILKG_100nA",
"kind": "electrical",
"unit": "nA",
"min": 30,
"typ": 110,
"max": 175,
"conditions": "All cell voltages = 4 V, 100-nA configuration",
"source_page": 7,
"source": "datasheet"
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{
"name": "OV detection accuracy",
"symbol": "VVA",
"kind": "electrical",
"unit": "mV",
"min": -10,
"typ": null,
"max": 10,
"conditions": "TA = 25°C, OV detection accuracy",
"source_page": 8,
"source": "datasheet"
},
{
"name": "UV detection accuracy",
"symbol": "VVA",
"kind": "electrical",
"unit": "mV",
"min": -18,
"typ": null,
"max": 18,
"conditions": "TA = 25°C, UV detection accuracy",
"source_page": 8,
"source": "datasheet"
},
{
"name": "OV/UV detection accuracy 0 to 60°C",
"symbol": "VVA",
"kind": "electrical",
"unit": "mV",
"min": -28,
"typ": null,
"max": 26,
"conditions": "TA = 0 to 60°C",
"source_page": 8,
"source": "datasheet"
},
{
"name": "OV/UV detection accuracy full temp",
"symbol": "VVA",
"kind": "electrical",
"unit": "mV",
"min": -40,
"typ": null,
"max": 40,
"conditions": "TA = –40 to +85°C",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Overtemperature in discharge threshold 65°C",
"symbol": "VOTD",
"kind": "electrical",
"unit": "%VTB",
"min": 19.69,
"typ": 20.56,
"max": 21.86,
"conditions": "Threshold for 65°C based on a 10k pullup and 103AT thermistor",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Overtemperature in discharge recovery 55°C",
"symbol": "VOTD_REC",
"kind": "electrical",
"unit": "%VTB",
"min": 25.18,
"typ": 26.12,
"max": 27.44,
"conditions": "Recovery threshold at 55°C for when VOTD is at 65°C",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Overtemperature in charge threshold 45°C",
"symbol": "VOTC",
"kind": "electrical",
"unit": "%VTB",
"min": 32.14,
"typ": 32.94,
"max": 34.54,
"conditions": "Threshold for 45°C based on a 10k pullup and 103AT thermistor",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Overtemperature in charge recovery 35°C",
"symbol": "VOTC_REC",
"kind": "electrical",
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"min": 38.63,
"typ": 40.97,
"max": 40.99,
"conditions": "Recovery threshold at 35°C for when VOTD is at 45°C",
"source_page": 8,
"source": "datasheet"
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{
"name": "Undertemperature in discharge threshold -10°C",
"symbol": "VUTD",
"kind": "electrical",
"unit": "%VTB",
"min": 80.04,
"typ": 80.94,
"max": 83.1,
"conditions": "Threshold for –10°C based on a 10k pullup and 103AT thermistor",
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"source": "datasheet"
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{
"name": "Undertemperature in discharge recovery 0°C",
"symbol": "VUTD_REC",
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"min": 71.7,
"typ": 73.18,
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"conditions": "Recovery threshold at 0°C for when VUTD is at –10°C",
"source_page": 8,
"source": "datasheet"
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{
"name": "Undertemperature in charge threshold 0°C",
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"min": 71.7,
"typ": 73.18,
"max": 74.86,
"conditions": "Threshold for 0°C based on a 10k pullup and 103AT thermistor",
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"source": "datasheet"
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{
"name": "Undertemperature in charge recovery 10°C",
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