PT2522

{
  "schema_version": 1,
  "type": "component",
  "slug": "pt2522",
  "title": "PT2522",
  "brief": "PTC(Princeton Tech) Motor Driver ICs, QFN-32-EP(5x5). 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 ics",
    "pt2522",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PT2522",
    "manufacturer": "PTC(Princeton Tech)",
    "package": "QFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Power Management ICs",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c102a0631bc15f3d24f010b1d85ddae4.pdf",
    "parts": {
      "symbol": "pt2522.kicad_sym",
      "footprint": "pt2522.kicad_mod",
      "model_3d": "pt2522-hero.glb",
      "model_3d_plain": "pt2522-etched.glb",
      "model_3d_step": "pt2522-etched.step",
      "model_3d_step_plain": "pt2522.step",
      "lbr": "pt2522.lbr"
    },
    "distributor_links": {
      "lcsc": "C481965"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:23:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LO1",
        "type": "output",
        "description": "Phase 1 low side gate driver output, with 1.2A source / 2.0A sink short-circuit pulse current."
      },
      {
        "number": "2",
        "name": "VS3",
        "type": "power_in",
        "description": "Phase 3 high side driver floating power supply swing (offset) voltage, rated VB3-20V to VB3+0.3V."
      },
      {
        "number": "3",
        "name": "HO3",
        "type": "output",
        "description": "Phase 3 high side gate driver output, with 1.2A source / 2.0A sink short-circuit pulse current."
      },
      {
        "number": "4",
        "name": "VB3",
        "type": "power_in",
        "description": "Phase 3 high side driver floating power supply, absolute maximum 90V, recommended VBS of 10V-18V."
      },
      {
        "number": "5",
        "name": "VS2",
        "type": "power_in",
        "description": "Phase 2 high side driver floating power supply swing (offset) voltage, rated VB2-20V to VB2+0.3V."
      },
      {
        "number": "6",
        "name": "HO2",
        "type": "output",
        "description": "Phase 2 high side gate driver output, with 1.2A source / 2.0A sink short-circuit pulse current."
      },
      {
        "number": "7",
        "name": "VB2",
        "type": "power_in",
        "description": "Phase 2 high side driver floating power supply, absolute maximum 90V, recommended VBS of 10V-18V."
      },
      {
        "number": "8",
        "name": "VS1",
        "type": "power_in",
        "description": "Phase 1 high side driver floating power supply swing (offset) voltage, rated VB1-20V to VB1+0.3V."
      },
      {
        "number": "9",
        "name": "HO1",
        "type": "output",
        "description": "Phase 1 high side gate driver output, with 1.2A source / 2.0A sink short-circuit pulse current."
      },
      {
        "number": "10",
        "name": "VB1",
        "type": "power_in",
        "description": "Phase 1 high side driver floating power supply, absolute maximum 90V, recommended VBS of 10V-18V."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground."
      },
      {
        "number": "12",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input for the chip and internal LDO, 6V to 24V operating (5V to 28V absolute maximum)."
      },
      {
        "number": "13",
        "name": "VREG",
        "type": "power_out",
        "description": "+5V regulator (LDO) output, 4.75V to 5.25V with up to 20mA output current."
      },
      {
        "number": "14",
        "name": "FWR",
        "type": "input",
        "description": "Forward/reverse direction switching input."
      },
      {
        "number": "15",
        "name": "RSEN",
        "type": "input",
        "description": "External NTC resistor input for over-temperature protection, trips below 0.6V and resets above 1.2V."
      },
      {
        "number": "16",
        "name": "RF",
        "type": "input",
        "description": "Current limiting voltage sensing input, over-current protection threshold 0.3V."
      },
      {
        "number": "17",
        "name": "ZCU",
        "type": "input",
        "description": "U-phase back-EMF zero-crossing input, divided below 5V externally."
      },
      {
        "number": "18",
        "name": "ZCV",
        "type": "input",
        "description": "V-phase back-EMF zero-crossing input, divided below 5V externally."
      },
      {
        "number": "19",
        "name": "ZCW",
        "type": "input",
        "description": "W-phase back-EMF zero-crossing input, divided below 5V externally."
      },
      {
        "number": "20",
        "name": "COMI",
        "type": "input",
        "description": "Motor three-phase virtual neutral point input."
      },
      {
        "number": "21",
        "name": "FLT",
        "type": "input",
        "description": "Six-step commutation signal filter input; recommended filter capacitor 0.1nF to 10nF."
      },
      {
        "number": "22",
        "name": "OSC_C",
        "type": "bidirectional",
        "description": "External capacitor connection that sets the triangular wave for PWM comparison (0.1 to 10 KHz range, 1KHz with 470pF)."
      },
      {
        "number": "23",
        "name": "VSP",
        "type": "input",
        "description": "DC (0.3V to 3.0V) or PWM (15KHz to 25KHz, high above 3.3V, low below 0.3V) speed control input."
      },
      {
        "number": "24",
        "name": "RD",
        "type": "output",
        "description": "Stall protection indication output (5V CMOS logic)."
      },
      {
        "number": "25",
        "name": "FG",
        "type": "output",
        "description": "Speed indicator output (5V CMOS logic)."
      },
      {
        "number": "26",
        "name": "SCL",
        "type": "input",
        "description": "I2C control interface serial clock input, up to 50KHz."
      },
      {
        "number": "27",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C control interface serial data input/output."
      },
      {
        "number": "28",
        "name": "VPP",
        "type": "power_in",
        "description": "OTP burning power input, 7.5V."
      },
      {
        "number": "29",
        "name": "VCC",
        "type": "power_in",
        "description": "Internal logic circuit and low side gate driver power input, 5.5V to 18V (10V-18V recommended)."
      },
      {
        "number": "30",
        "name": "COM",
        "type": "power_in",
        "description": "Internal logic circuit and low side gate driver power ground."
      },
      {
        "number": "31",
        "name": "LO3",
        "type": "output",
        "description": "Phase 3 low side gate driver output, with 1.2A source / 2.0A sink short-circuit pulse current."
      },
      {
        "number": "32",
        "name": "LO2",
        "type": "output",
        "description": "Phase 2 low side gate driver output, with 1.2A source / 2.0A sink short-circuit pulse current."
      },
      {
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet has one pin table for both the LQFP32 and QFN32 versions and does not state it is QFN-; The QFN package drawing gives an exposed pad (D2/E2 3.15-3.30mm), but the datasheet does not list an; Pin 3 (HO3) has no separate number in the extracted table. It was inferred from the sequence, becaus"
        ],
        "pages_sent": 23,
        "cost_usd": 0.214,
        "at": "2026-10-23T12:23:05"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c102a0631bc15f3d24f010b1d85ddae4.pdf",
        "pages": 23,
        "sha256": "4b4bd0d3d8ae04e5",
        "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": "pt2522.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pt2522-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "28e091b084321b57e32c68aba217b7d50145fa3590de1f8e13a172cdb0293647",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "PTC(Princeton Tech)",
      "Package": "QFN-32-EP(5x5)",
      "Category": "Power Management ICs",
      "Pins": "33"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4b4bd0d3d8ae04e5e241f2ed3cefb9da479aceeae39e953ebc8b55d76eb925dc",
      "rows": [
        {
          "name": "VDD supply voltage (abs max)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "High-side floating supply voltage (abs max)",
          "symbol": "VB1,2,3",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 90,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Low-side supply voltage (abs max)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 18,
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        },
        {
          "name": "Allowable offset voltage slew rate",
          "symbol": "dV/dt",
          "kind": "absolute_maximum",
          "unit": "V/ns",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
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        },
        {
          "name": "Input/Output voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "VDD supply voltage",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": 12,
          "max": 24,
          "conditions": "VDD input",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Low-side supply voltage",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 5.5,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "High-side floating supply offset voltage",
          "symbol": "VS1,2,3",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "min is COM-6",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Power supply current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VDD = 12V",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Regulator output voltage",
          "symbol": "VREG",
          "kind": "electrical",
          "unit": "V",
          "min": 4.75,
          "typ": 5,
          "max": 5.25,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Regulator output current",
          "symbol": "IREG",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "External oscillator frequency range",
          "symbol": "FOSC_C",
          "kind": "electrical",
          "unit": "KHz",
          "min": 0.1,
          "typ": null,
          "max": 10,
          "conditions": "OSC_C pin",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Logic output high level",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": 4.5,
          "max": 5.5,
          "conditions": "UVWL, UVWH, FG, RD",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Logic output low level",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.3,
          "conditions": "UVWL, UVWH, FG, RD",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "VSP DC for control range",
          "symbol": "VSPDC",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": null,
          "max": 3,
          "conditions": "DC input (VSP pin)",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "VSP input frequency range for PWM",
          "symbol": "VSPF",
          "kind": "electrical",
          "unit": "KHz",
          "min": 15,
          "typ": null,
          "max": 25,
          "conditions": "PWM input (VSP pin)",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "VCC supply under-voltage positive going threshold",
          "symbol": "VCCUV+",
          "kind": "electrical",
          "unit": "V",
          "min": 2.9,
          "typ": 4.2,
          "max": 5.5,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "VCC supply under-voltage negative going threshold",
          "symbol": "VCCUV-",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": 3.8,
          "max": 5.1,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "High side VBS supply under-voltage positive going threshold",
          "symbol": "VBSUV+",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": 3.8,
          "max": 5.5,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "High side VBS supply under-voltage negative going threshold",
          "symbol": "VBSUV-",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 3.5,
          "max": 4.8,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "SCL clock frequency",
          "symbol": "fSCL",
          "kind": "timing",
          "unit": "KHz",
          "min": 0,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Hold time START condition",
          "symbol": "tHD;STA",
          "kind": "timing",
          "unit": "µS",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "LOW period of the SCL clock",
          "symbol": "tLOW",
          "kind": "timing",
          "unit": "µS",
          "min": 4.7,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "HIGH period of the SCL clock",
          "symbol": "tHIGH",
          "kind": "timing",
          "unit": "µS",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Data setup time",
          "symbol": "tSU;DAT",
          "kind": "timing",
          "unit": "nS",
          "min": 250,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Data hold time",
          "symbol": "tHD;DAT",
          "kind": "timing",
          "unit": "µS",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Setup time for STOP condition",
          "symbol": "tSU;STO",
          "kind": "timing",
          "unit": "µS",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "VCC operating voltage range",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 10,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VBS operating voltage range",
          "symbol": "VBS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 10,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Over current protection voltage",
          "symbol": "VOCP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "RF pin",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "External oscillator",
          "symbol": "FOSC_1K",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "OSC_C= 470pF",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "PWM switching frequency",
          "symbol": "Fsw",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Logic input pull high current",
          "symbol": "Isource",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "FR",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "RSEN internal pull high resistance",
          "symbol": "RSEN",
          "kind": "electrical",
          "unit": "KΩ",
          "min": null,
          "typ": 47,
          "max": null,
          "conditions": "RSEN pin, connect to VREG",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "VSP input high level for PWM",
          "symbol": "VSPH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.3,
          "max": null,
          "conditions": "PWM input (VSP pin)",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "VSP input low level for PWM",
          "symbol": "VSPL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "PWM input (VSP pin)",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Over temperature protection trigger level",
          "symbol": "VOTP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "RSEN pin",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Over temperature protection reset level",
          "symbol": "VREL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
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