component
BQ25710RSNR
Public Made by Adomby adom
Texas Instruments Battery Management, QFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "bq25710rsnr",
"title": "BQ25710RSNR",
"brief": "Texas Instruments Battery Management, QFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"bq25710rsnr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "BQ25710RSNR",
"manufacturer": "Texas Instruments",
"package": "QFN-32-EP(4x4)",
"pin_count": 33,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://www.ti.com/cn/lit/gpn/bq25710",
"parts": {
"symbol": "bq25710rsnr.kicad_sym",
"footprint": "bq25710rsnr.kicad_mod",
"model_3d": "bq25710rsnr-hero.glb",
"model_3d_plain": "bq25710rsnr-etched.glb",
"model_3d_step": "bq25710rsnr-etched.step",
"model_3d_step_plain": "bq25710rsnr.step",
"lbr": "bq25710rsnr.lbr"
},
"distributor_links": {
"lcsc": "C2864000"
},
"distributor_check": {
"checked_at": "2026-10-17T14:17:43Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VBUS",
"type": "power_in",
"description": "Charger input voltage; the datasheet recommends a 1 Ω and 0.47 µF (minimum) input low-pass filter, and the input is rated 0 to 24 V (ACOV at 26 V rising)."
},
{
"number": "2",
"name": "ACN",
"type": "input",
"description": "Negative input of the input-current sense resistor; an R-C low-pass filter is required between the sense resistor and ACN to suppress high-frequency noise, and ACP/ACN leakage must match (−16 to 10 µA)."
},
{
"number": "3",
"name": "ACP",
"type": "input",
"description": "Positive input of the input-current sense resistor; an R-C low-pass filter is required between the sense resistor and ACP to suppress high-frequency noise, and ACP/ACN leakage must match."
},
{
"number": "4",
"name": "CHRG_OK",
"type": "output",
"description": "Active-high open-drain indicator that normal power is present at the charger input, pulled up through 10 kΩ; it goes high 50 ms after VBUS rises above 3.5 V or falls below 24.5 V and low when VBUS falls below 3.2 V or rises above 26 V."
},
{
"number": "5",
"name": "OTG/VAP",
"type": "input",
"description": "Active-high pin that enables OTG or VAP mode depending on REG0x32[5]; the input logic-high threshold is 2.1 V and the logic-low threshold is 0.8 V in SMBus mode."
},
{
"number": "6",
"name": "ILIM_HIZ",
"type": "input",
"description": "Input-current limit setting pin programmed through a resistor divider from the rail, using V(ILIM_HIZ) = 1 V + 40 × IDPM × RAC; the device enters high-impedance mode below 0.4 V and exits above 0.8 V."
},
{
"number": "7",
"name": "VDDA",
"type": "power_in",
"description": "Internal reference bias pin fed from REGN through a 10 Ω resistor, with a 1 µF ceramic capacitor to ground, and it must carry the REGN output capacitance (ILOAD 100 µA to 50 mA)."
},
{
"number": "8",
"name": "IADPT",
"type": "output",
"description": "Adapter-current monitor output with V(IADPT) = 20 or 40 × (V(ACP) − V(ACN)), clamped below 3.3 V; a resistor to ground sets the inductor-dependent gain (137 kΩ for 2.2 µH) and a ≤100 pF ceramic capacitor is recommended."
},
{
"number": "9",
"name": "IBAT",
"type": "output",
"description": "Battery-current monitor output with V(IBAT) = 8 or 16 × (V(SRP) − V(SRN)) for charge and 8 or 16 × (V(SRN) − V(SRP)) for discharge, clamped below 3.3 V; it may be left floating if unused and needs a ≤100 pF decoupling capacitor."
},
{
"number": "10",
"name": "PSYS",
"type": "output",
"description": "Current-mode system power monitor output proportional to total adapter plus battery power, clamped below 3.3 V, with gain selectable over SMBus and a filter capacitor in parallel with the resistor to ground; it may be left floating if unused."
},
{
"number": "11",
"name": "PROCHOT",
"type": "output",
"description": "Active-low open-drain processor thermal indicator that monitors adapter current, battery discharge current and system voltage, pulsing low when a PROCHOT profile event triggers with minimum width set in REG0x21[14:11]."
},
{
"number": "12",
"name": "SDA",
"type": "bidirectional",
"description": "SMBus open-drain data I/O that requires a 10 kΩ pull-up resistor per the SMBus specification, with logic-low output saturation of 0.4 V at 5 mA and Schmitt-trigger inputs."
},
{
"number": "13",
"name": "SCL",
"type": "input",
"description": "SMBus clock input connected to the host or smart-battery clock line, requiring a 10 kΩ pull-up resistor per the SMBus specification and operating at 10 to 100 kHz."
},
{
"number": "14",
"name": "CMPIN",
"type": "input",
"description": "Input to the independent comparator, which compares CMPIN to an internal reference (1.2 V or 2.3 V selectable) and drives CMPOUT; tie to ground if the comparator is unused."
},
{
"number": "15",
"name": "CMPOUT",
"type": "output",
"description": "Open-drain output of the independent comparator that requires a pull-up resistor to the pull-up rail; output saturation is 0.4 V at 5 mA sink current."
},
{
"number": "16",
"name": "COMP1",
"type": "input",
"description": "Buck/boost converter compensation pin 1; the RC network for this pin is given in the BQ2571X EVM schematic."
},
{
"number": "17",
"name": "COMP2",
"type": "input",
"description": "Buck/boost converter compensation pin 2; the RC network for this pin is given in the BQ2571X EVM schematic."
},
{
"number": "18",
"name": "CELL_BATPRESZ",
"type": "input",
"description": "Cell-count selection pin for 1 to 4 cell batteries, biased from VDDA; it sets SYSOVP to 5 V (1S), 12 V (2S), or 19.5 V (3S/4S), and pulling it below VCELL_BATPRESZ_FALL (15%) indicates battery removal."
},
{
"number": "19",
"name": "SRN",
"type": "input",
"description": "Negative input of the charge-current sense resistor, also used for battery voltage sensing; it should connect to GND through an optional 0.1 µF capacitor for common-mode filtering and have a 0.1 µF capacitor between SRP and SRN for differential filtering; operating range is 0 to 19.2 V."
},
{
"number": "20",
"name": "SRP",
"type": "input",
"description": "Positive input of the charge-current sense resistor, with optional 0.1 µF common-mode capacitor to GND, a 0.1 µF differential capacitor to SRN, and a capacitor on SRP no larger than 0.1 µF."
},
{
"number": "21",
"name": "BATDRV",
"type": "output",
"description": "P-channel battery FET (BATFET) gate driver output; tying it to VSYS turns the BATFET off, it is fully enhanced when 10 V below VSYS, and it can only drive a gate with Ciss below 5 nF (1 nF to 3 nF recommended)."
},
{
"number": "22",
"name": "VSYS",
"type": "passive",
"description": "Charger system-voltage sense pin used to program the system voltage regulation limits in REG0x15 and REG0x3E, with an operating range of 0 to 19.2 V."
},
{
"number": "23",
"name": "SW2",
"type": "passive",
"description": "Boost-mode high-side MOSFET driver source, connected to the source of the high-side N-channel MOSFET; operating range is −2 to 24 V."
},
{
"number": "24",
"name": "HIDRV2",
"type": "output",
"description": "Boost-mode high-side power MOSFET (Q4) driver output, connected to the gate of the high-side N-channel MOSFET; absolute maximum is −0.3 to 36 V."
},
{
"number": "25",
"name": "BTST2",
"type": "power_out",
"description": "Boost-mode high-side MOSFET driver bootstrap supply, with a 0.047 µF capacitor between SW2 and BTST2 and an integrated bootstrap diode from REGN; the BTST-SW differential is rated 0 to 6.5 V."
},
{
"number": "26",
"name": "LODRV2",
"type": "output",
"description": "Boost-mode low-side power MOSFET (Q3) driver output, connected to the gate of the low-side N-channel MOSFET; the absolute maximum is −4 V to 7 V for 25 ns."
},
{
"number": "27",
"name": "PGND",
"type": "power_in",
"description": "Device power ground for the power stage."
},
{
"number": "28",
"name": "REGN",
"type": "power_out",
"description": "6 V linear regulator output powered from VBUS or VSYS, active when VBUS exceeds VVBUS_CONVEN; it requires a 2.2 µF or 3.3 µF ceramic capacitor to ground and supplies the power-stage gate drivers."
},
{
"number": "29",
"name": "LODRV1",
"type": "output",
"description": "Buck-mode low-side power MOSFET (Q2) driver output, connected to the gate of the low-side N-channel MOSFET; the absolute maximum is −4 V to 7 V for 25 ns."
},
{
"number": "30",
"name": "BTST1",
"type": "power_out",
"description": "Buck-mode high-side MOSFET driver bootstrap supply, with a 0.047 µF capacitor between SW1 and BTST1 and an integrated bootstrap diode from REGN; the BTST-SW differential is rated 0 to 6.5 V."
},
{
"number": "31",
"name": "HIDRV1",
"type": "output",
"description": "Buck-mode high-side power MOSFET (Q1) driver output, connected to the gate of the high-side N-channel MOSFET; the absolute maximum is −4 V to 36 V for 25 ns."
},
{
"number": "32",
"name": "SW1",
"type": "passive",
"description": "Buck-mode high-side MOSFET driver source, connected to the source of the high-side N-channel MOSFET; operating range is −2 to 24 V."
},
{
"number": "33",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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 thermal pad under the IC is listed as '–' in the pin table and has no printed number, so it is n; The datasheet classifies VSYS, SW2 and SW1 only as 'PWR'. I assigned passive because they are sense ; BTST1, BTST2 and VDDA are classed as 'PWR' in the datasheet. I assigned power_out for the bootstrap ",
"exposed pad 33 added from the footprint"
],
"pages_sent": 59,
"cost_usd": 0.3169,
"at": "2026-10-17T14:15:13"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/bq25710",
"pages": 91,
"sha256": "e83fbd7cca9a8583",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "bq25710rsnr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.6
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "bq25710rsnr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.6
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "891ededc99ba3be4e04dfa9231e2182e4509891c1da05b8d6f75161db9c409c7",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "QFN-32-EP(4x4)",
"Category": "Power Management (PMIC)",
"Pins": "33"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "e83fbd7cca9a858347e6be4d8b111ae40959eb985d289f57ee8ad2d32ca86930",
"rows": [
{
"name": "电压 - SRN、SRP、ACN、ACP、VBUS、VSYS",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 30,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - SW1、SW2",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -2,
"typ": null,
"max": 30,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - BTST1、BTST2、HIDRV1、HIDRV2、/BATDRV",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 36,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - LODRV1、LODRV2",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -4,
"typ": null,
"max": 7,
"conditions": "25nS；自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - HIDRV1、HIDRV2",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -4,
"typ": null,
"max": 36,
"conditions": "25nS；自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - SW1、SW2",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -4,
"typ": null,
"max": 30,
"conditions": "25nS；自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - SDA、SCL、REGN、PSYS、CHRG_OK、OTG/VAP、CELL_BATPRESZ、ILIM_HIZ、LODRV1、LODRV2、VDDA、COMP1、COMP2、CMPIN、CMPOUT",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - /PROCHOT",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - IADPT、IBAT、PSYS",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.6,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "差分电压 - BTST1-SW1、BTST2-SW2、HIDRV1-SW1、HIDRV2-SW2",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "差分电压 - SRP-SRN、ACP-ACN",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "结温范围，TJ",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 155,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "贮存温度，Tstg",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 155,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - ACN、ACP、VBUS",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 24,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - SRN、SRP、VSYS",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 19.2,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - SW1、SW2",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": -2,
"typ": null,
"max": 24,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - BTST1、BTST2、HIDRV1、HIDRV2、/BATDRV",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 30,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
{
"name": "电压 - SDA、SCL、REGN、PSYS、CHRG_OK、OTG/VAP、CELL_BATPRESZ、ILIM_HIZ、LODRV1、LODRV2、VDDA、COMP1、COMP2、CMPIN、CMPOUT",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 6.5,
"conditions": "自然通风条件下的工作温度范围内测得（除非另有说明）",
"source_page": 9,
"source": "datasheet"
},
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