PB7170P48

{
  "slug": "pb7170p48",
  "version": "0.1.0",
  "type": "component",
  "description": "PST Battery Management, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "pb7170p48",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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    "pb7170p48.glb",
    "pb7170p48.step",
    "pb7170p48.lbr",
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    "docs/pb7170p48-datasheet.pdf",
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    "viewers/footprint.html",
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  "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": {
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      "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"
    },
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}