component
PB7170P48
Public Made by Adomby adom
PST Battery Management, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "pb7170p48",
"title": "PB7170P48",
"brief": "PST Battery Management, LQFP-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",
"tags": [
"component",
"power management (pmic)",
"pb7170p48",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "PB7170P48",
"manufacturer": "PST",
"package": "LQFP-48(7x7)",
"pin_count": 48,
"category": "Power Management (PMIC)",
"subcategory": "Battery Management",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/51ae17a9b442b76e5759d6b75acb8856.pdf",
"parts": {
"symbol": "pb7170p48.kicad_sym",
"footprint": "pb7170p48.kicad_mod",
"model_3d": "pb7170p48-hero.glb",
"model_3d_plain": "pb7170p48-etched.glb",
"model_3d_step": "pb7170p48-etched.step",
"model_3d_step_plain": "pb7170p48.step",
"lbr": "pb7170p48.lbr"
},
"distributor_links": {
"lcsc": "C6169225"
},
"distributor_check": {
"checked_at": "2026-10-23T18:31:45Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "deferred",
"error": "shared DigiKey quota guard: 870 calls left today"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "PVDD",
"type": "power_in",
"description": "High-voltage DC supply positive input, connected to the highest voltage point of the measured cells (abs max 88V, recommended 12-80V relative to PGND)."
},
{
"number": "2",
"name": "C17",
"type": "input",
"description": "Positive connection of cell 17."
},
{
"number": "3",
"name": "C16",
"type": "input",
"description": "Positive connection of cell 16 and negative connection of cell 17."
},
{
"number": "4",
"name": "C15",
"type": "input",
"description": "Positive connection of cell 15 and negative connection of cell 16."
},
{
"number": "5",
"name": "C14",
"type": "input",
"description": "Positive connection of cell 14 and negative connection of cell 15."
},
{
"number": "6",
"name": "C13",
"type": "input",
"description": "Positive connection of cell 13 and negative connection of cell 14."
},
{
"number": "7",
"name": "C12",
"type": "input",
"description": "Positive connection of cell 12 and negative connection of cell 13."
},
{
"number": "8",
"name": "C11",
"type": "input",
"description": "Positive connection of cell 11 and negative connection of cell 12."
},
{
"number": "9",
"name": "C10",
"type": "input",
"description": "Positive connection of cell 10 and negative connection of cell 11."
},
{
"number": "10",
"name": "C9",
"type": "input",
"description": "Positive connection of cell 9 and negative connection of cell 10."
},
{
"number": "11",
"name": "C8",
"type": "input",
"description": "Positive connection of cell 8 and negative connection of cell 9."
},
{
"number": "12",
"name": "C7",
"type": "input",
"description": "Positive connection of cell 7 and negative connection of cell 8."
},
{
"number": "13",
"name": "C6",
"type": "input",
"description": "Positive connection of cell 6 and negative connection of cell 7."
},
{
"number": "14",
"name": "C5",
"type": "input",
"description": "Positive connection of cell 5 and negative connection of cell 6."
},
{
"number": "15",
"name": "C4",
"type": "input",
"description": "Positive connection of cell 4 and negative connection of cell 5."
},
{
"number": "16",
"name": "C3",
"type": "input",
"description": "Positive connection of cell 3 and negative connection of cell 4."
},
{
"number": "17",
"name": "C2",
"type": "input",
"description": "Positive connection of cell 2 and negative connection of cell 3."
},
{
"number": "18",
"name": "C1",
"type": "input",
"description": "Positive connection of cell 1 and negative connection of cell 2."
},
{
"number": "19",
"name": "C0",
"type": "input",
"description": "Negative connection of cell 1."
},
{
"number": "20",
"name": "PGND",
"type": "power_in",
"description": "High-voltage DC supply negative input, connected to the lowest voltage point of the measured cells."
},
{
"number": "21",
"name": "SRP",
"type": "input",
"description": "Positive input of the current-sense resistor (connected to PGND); differential SRP-SRN recommended range is ±230mV."
},
{
"number": "22",
"name": "SRN",
"type": "input",
"description": "Negative input of the current-sense resistor; resistance to PGND should be kept below 1kΩ so common-mode stays under 2V."
},
{
"number": "23",
"name": "DSG",
"type": "output",
"description": "Discharge MOSFET gate drive, typically 10V (8-13V)."
},
{
"number": "24",
"name": "PREMOS",
"type": "output",
"description": "Pre-charge/pre-discharge MOSFET gate drive, typically 10V (8-13V)."
},
{
"number": "25",
"name": "CHG",
"type": "output",
"description": "Charge MOSFET gate drive, typically 10V (8-13V)."
},
{
"number": "26",
"name": "LODD",
"type": "input",
"description": "Load detection input with 100kΩ internal pull-down; detection threshold 1V min to 1.7V max."
},
{
"number": "27",
"name": "CHGD",
"type": "input",
"description": "Charger detection input with 2.8MΩ internal pull-down; detection voltage -950mV to -500mV."
},
{
"number": "28",
"name": "AGND",
"type": "power_in",
"description": "Internal analog ground."
},
{
"number": "29",
"name": "VREF",
"type": "power_in",
"description": "Internal ADC reference voltage output; needs an external decoupling capacitor to AGND (1uF recommended)."
},
{
"number": "30",
"name": "AVDD",
"type": "power_out",
"description": "5V analog supply output; needs an external decoupling capacitor to AGND (1uF recommended)."
},
{
"number": "31",
"name": "VAA",
"type": "power_out",
"description": "5V external-measurement supply output, usable to bias thermistor divider networks."
},
{
"number": "32",
"name": "AUXIN5",
"type": "input",
"description": "Auxiliary measurement input 5 for temperature or other sensor analog output (0.5-4.5V recommended)."
},
{
"number": "33",
"name": "AUXIN4",
"type": "input",
"description": "Auxiliary measurement input 4 for temperature or other sensor analog output (0.5-4.5V recommended)."
},
{
"number": "34",
"name": "AUXIN3",
"type": "input",
"description": "Auxiliary measurement input 3 for temperature or other sensor analog output (0.5-4.5V recommended)."
},
{
"number": "35",
"name": "AUXIN2",
"type": "input",
"description": "Auxiliary measurement input 2 for temperature or other sensor analog output (0.5-4.5V recommended)."
},
{
"number": "36",
"name": "AUXIN1",
"type": "input",
"description": "Auxiliary measurement input 1 for temperature or other sensor analog output (0.5-4.5V recommended)."
},
{
"number": "37",
"name": "DRIVE",
"type": "output",
"description": "Drive output of 4V/5.7V to the base of an external NPN transistor to obtain 3.3V/5V at the emitter for external circuits in low-power mode."
},
{
"number": "38",
"name": "ACT",
"type": "input",
"description": "Chip activation pin, active high, with internal 8MΩ pull-up and external capacitor to ground; shorting to ground forces ultra-low-power shutdown mode."
},
{
"number": "39",
"name": "DVDD",
"type": "power_out",
"description": "3.3V digital supply output; needs an external decoupling capacitor to DGND."
},
{
"number": "40",
"name": "ALERT",
"type": "bidirectional",
"description": "Active-low open-drain interrupt output that also serves as external protection input; external pull-down triggers external protection, needs an external pull-up (4.7k recommended)."
},
{
"number": "41",
"name": "PROG",
"type": "input",
"description": "Connect to DGND."
},
{
"number": "42",
"name": "GPIO1",
"type": "bidirectional",
"description": "General-purpose input/output 1."
},
{
"number": "43",
"name": "GPIO0",
"type": "bidirectional",
"description": "General-purpose input/output 0."
},
{
"number": "44",
"name": "SDO",
"type": "output",
"description": "SPI slave data output; 47K resistor to ground recommended in pin table."
},
{
"number": "45",
"name": "SDI",
"type": "input",
"description": "SPI slave data input."
},
{
"number": "46",
"name": "CSN",
"type": "input",
"description": "SPI slave chip select, active low; pulling low wakes the AFE from sleep."
},
{
"number": "47",
"name": "SCLK",
"type": "input",
"description": "SPI slave clock input."
},
{
"number": "48",
"name": "DGND",
"type": "power_in",
"description": "Digital supply ground."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Datasheet is internally inconsistent on SDO external resistor: pin table says 47K to ground, applica; Pin 41 PROG: pin table says connect to DGND, application section says directly to ground or float.; Pin types for power outputs (AVDD, VAA, DVDD) and ground-referenced SRP inferred from descriptions; "
],
"pages_sent": 32,
"cost_usd": 0.2345,
"at": "2026-10-23T18:31:23"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/51ae17a9b442b76e5759d6b75acb8856.pdf",
"pages": 32,
"sha256": "afb2082988260a54",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 48,
"described": 48,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "pb7170p48.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "pb7170p48-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "16f9ce3f653824269cafb0647e37b73817b43866af1fb45872cb24a4279878b8",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "PST",
"Package": "LQFP-48(7x7)",
"Category": "Power Management (PMIC)",
"Pins": "48"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "afb2082988260a54460fa45e1a03612148578e27f2f0fc7a1186d7ea893cda7c",
"rows": [
{
"name": "PVDD to PGND voltage",
"symbol": "VPVDD-VPGND",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 88,
"conditions": "PVDD",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Cell voltage",
"symbol": "VCn-VCn-1",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 10,
"conditions": "n=1-17",
"source_page": 9,
"source": "datasheet"
},
{
"name": "AUXIN input voltage",
"symbol": "VAUXIN-VAGND",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Current sense voltage",
"symbol": "VSRP-VSRN",
"kind": "absolute_maximum",
"unit": "mV",
"min": -500,
"typ": null,
"max": 500,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "MOS drive output",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 20,
"conditions": "CHG, DSG, PREMOS",
"source_page": 9,
"source": "datasheet"
},
{
"name": "DRIVE output",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Digital signals",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 5.5,
"conditions": "CSN, SDI, SDO, SCLK, ALERT, GPIO0, GPIO1, PROG",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Other ports",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 5.5,
"conditions": "DVDD, AVDD, ACT, VAA, VREF, CHGD, LODD, SPR, SRN",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Internal balance current",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 150,
"conditions": "single CELL",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Operating temperature (abs max)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Soldering temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 300,
"conditions": "duration 10S",
"source_page": 9,
"source": "datasheet"
},
{
"name": "ESD HBM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "ESD CDM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 500,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Total supply voltage",
"symbol": "VPVDD-VPGND",
"kind": "recommended_operating",
"unit": "V",
"min": 12,
"typ": null,
"max": 80,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Cell voltage",
"symbol": "VCn-VCn-1",
"kind": "recommended_operating",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 5,
"conditions": "n=1-17",
"source_page": 9,
"source": "datasheet"
},
{
"name": "AUXIN input voltage",
"symbol": "VAUXIN-VAGND",
"kind": "recommended_operating",
"unit": "V",
"min": 0.5,
"typ": null,
"max": 4.5,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Current input",
"symbol": "VSRP-VSRN",
"kind": "recommended_operating",
"unit": "mV",
"min": -230,
"typ": null,
"max": 230,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "MOS drive output",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 13,
"conditions": "CHG, DSG, PREMOS",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Digital input",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 3.6,
"conditions": "CSN, SDI, SCLK, ALERT",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Digital output",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": 3.6,
"conditions": "SDO, GPIO0, GPIO1, ALERT",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Internal balance current",
"symbol": "",
"kind": "recommended_operating",
"unit": "mA",
"min": null,
"typ": null,
"max": 100,
"conditions": "single CELL",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Operating temperature",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -20,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "VADC measurement range",
"symbol": "VRANGE",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
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