main
Ray Publish 0.1.0 c7f0265 17d ago
{
  "slug": "pt2522",
  "version": "0.1.0",
  "type": "component",
  "description": "PTC(Princeton Tech) Motor Driver ICs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "pt2522",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pt2522.kicad_sym",
    "pt2522.kicad_mod",
    "pt2522.glb",
    "pt2522.step",
    "pt2522.lbr",
    "docs/hero.png",
    "docs/pt2522-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pt2522-hero.glb",
    "pt2522-hero.overlay.json",
    "pt2522-etched.glb"
  ],
  "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": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "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": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "28e091b084321b57e32c68aba217b7d50145fa3590de1f8e13a172cdb0293647",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}