main
Ray Publish 0.1.0 03203cb 3d ago
{
  "slug": "a4933kjptr-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Allegro MicroSystems, LLC Motor Driver ICs, LQFP-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "a4933kjptr-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "a4933kjptr-t.kicad_sym",
    "a4933kjptr-t.kicad_mod",
    "a4933kjptr-t.glb",
    "a4933kjptr-t.step",
    "a4933kjptr-t.lbr",
    "docs/hero.png",
    "docs/a4933kjptr-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "a4933kjptr-t-hero.glb",
    "a4933kjptr-t-hero.overlay.json",
    "a4933kjptr-t-etched.glb"
  ],
  "component": {
    "mpn": "A4933KJPTR-T",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "LQFP-48-EP(7x7)",
    "pin_count": 49,
    "category": "Power Management ICs",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b4eb1fb526cca791209504e8d0e511cb.pdf",
    "parts": {
      "symbol": "a4933kjptr-t.kicad_sym",
      "footprint": "a4933kjptr-t.kicad_mod",
      "model_3d": "a4933kjptr-t-hero.glb",
      "model_3d_plain": "a4933kjptr-t-etched.glb",
      "model_3d_step": "a4933kjptr-t-etched.step",
      "model_3d_step_plain": "a4933kjptr-t.step",
      "lbr": "a4933kjptr-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2150765",
      "digikey": "620-A4933KJPTR-TTR-ND",
      "mouser": "250-A4933KJPTR-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:49:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-A4933KJPTR-TTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "250-A4933KJPTR-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; connect to AGND."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "input",
        "description": "Standby mode control input."
      },
      {
        "number": "3",
        "name": "ESF",
        "type": "input",
        "description": "Enable Stop on Fault input."
      },
      {
        "number": "4",
        "name": "FF2",
        "type": "bidirectional",
        "description": "Fault Flag 2 and serial clock input."
      },
      {
        "number": "5",
        "name": "FF1",
        "type": "bidirectional",
        "description": "Fault Flag 1 and serial data output."
      },
      {
        "number": "6",
        "name": "ALO",
        "type": "input",
        "description": "Control input for phase A low-side gate drive."
      },
      {
        "number": "7",
        "name": "AHI",
        "type": "input",
        "description": "Control input for phase A high-side gate drive."
      },
      {
        "number": "8",
        "name": "BHI",
        "type": "input",
        "description": "Control input for phase B high-side gate drive."
      },
      {
        "number": "9",
        "name": "BLO",
        "type": "input",
        "description": "Control input for phase B low-side gate drive."
      },
      {
        "number": "10",
        "name": "CLO",
        "type": "input",
        "description": "Control input for phase C low-side gate drive."
      },
      {
        "number": "11",
        "name": "CHI",
        "type": "input",
        "description": "Control input for phase C high-side gate drive."
      },
      {
        "number": "12",
        "name": "PWML",
        "type": "input",
        "description": "Low-side PWM input."
      },
      {
        "number": "13",
        "name": "CCEN",
        "type": "input",
        "description": "Cross-conduction enable input."
      },
      {
        "number": "14",
        "name": "PWMH",
        "type": "input",
        "description": "High-side PWM input."
      },
      {
        "number": "15",
        "name": "COAST",
        "type": "input",
        "description": "Coast input."
      },
      {
        "number": "16",
        "name": "CSOUT",
        "type": "output",
        "description": "Current sense amplifier output."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Logic supply input."
      },
      {
        "number": "18",
        "name": "CSN",
        "type": "input",
        "description": "Current sense negative input."
      },
      {
        "number": "19",
        "name": "CSP",
        "type": "input",
        "description": "Current sense positive input."
      },
      {
        "number": "20",
        "name": "VDSTH",
        "type": "input",
        "description": "Fault threshold voltage input for the VDS monitor."
      },
      {
        "number": "21",
        "name": "LSS",
        "type": "passive",
        "description": "Low-side source connection."
      },
      {
        "number": "22",
        "name": "GLC",
        "type": "output",
        "description": "Low-side gate drive output for phase C."
      },
      {
        "number": "23",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "24",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; connect to AGND."
      },
      {
        "number": "25",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; connect to AGND."
      },
      {
        "number": "26",
        "name": "SC",
        "type": "passive",
        "description": "Motor connection for phase C."
      },
      {
        "number": "27",
        "name": "GHC",
        "type": "output",
        "description": "High-side gate drive output for phase C."
      },
      {
        "number": "28",
        "name": "CC",
        "type": "passive",
        "description": "Bootstrap capacitor connection for phase C."
      },
      {
        "number": "29",
        "name": "GLB",
        "type": "output",
        "description": "Low-side gate drive output for phase B."
      },
      {
        "number": "30",
        "name": "SB",
        "type": "passive",
        "description": "Motor connection for phase B."
      },
      {
        "number": "31",
        "name": "GHB",
        "type": "output",
        "description": "High-side gate drive output for phase B."
      },
      {
        "number": "32",
        "name": "CB",
        "type": "passive",
        "description": "Bootstrap capacitor connection for phase B."
      },
      {
        "number": "33",
        "name": "GLA",
        "type": "output",
        "description": "Low-side gate drive output for phase A."
      },
      {
        "number": "34",
        "name": "SA",
        "type": "passive",
        "description": "Motor connection for phase A."
      },
      {
        "number": "35",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; connect to AGND."
      },
      {
        "number": "36",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; connect to AGND."
      },
      {
        "number": "37",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; connect to AGND."
      },
      {
        "number": "38",
        "name": "GHA",
        "type": "output",
        "description": "High-side gate drive output for phase A."
      },
      {
        "number": "39",
        "name": "CA",
        "type": "passive",
        "description": "Bootstrap capacitor connection for phase A."
      },
      {
        "number": "40",
        "name": "VREG",
        "type": "power_out",
        "description": "Gate drive supply output."
      },
      {
        "number": "41",
        "name": "VDRAIN",
        "type": "input",
        "description": "High-side drain voltage sense input."
      },
      {
        "number": "42",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; connect to AGND."
      },
      {
        "number": "43",
        "name": "CP2",
        "type": "passive",
        "description": "Pump capacitor connection 2."
      },
      {
        "number": "44",
        "name": "CP1",
        "type": "passive",
        "description": "Pump capacitor connection 1."
      },
      {
        "number": "45",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "46",
        "name": "VBB",
        "type": "power_in",
        "description": "Main power supply input."
      },
      {
        "number": "47",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "48",
        "name": "RDEAD",
        "type": "passive",
        "description": "Dead time setting input."
      },
      {
        "number": "49",
        "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 datasheet lists the exposed thermal pad with no pin number (printed as a dash) and name PAD; it "
        ],
        "pages_sent": 4,
        "cost_usd": 0.0209,
        "at": "2026-10-30T22:49:08"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b4eb1fb526cca791209504e8d0e511cb.pdf",
        "pages": 25,
        "sha256": "6e13e125f72c0af8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "a4933kjptr-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.32,
          9.32,
          1.6
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f960910b71d80cee36ddda3bc3d76fc6db6e160cef6b65cca7a6d6ec3727584e",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "a4933kjptr-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.32,
          9.32,
          1.6
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "08b5059834f36fdc8d2130c15557f4800d75b68e58ae1cb0e4673f6ba98c5f0a",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}