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Ray Publish 0.1.0 48dd82d 3d ago
{
  "slug": "a4910kjptr-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",
    "a4910kjptr-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "a4910kjptr-t.kicad_sym",
    "a4910kjptr-t.kicad_mod",
    "a4910kjptr-t.glb",
    "a4910kjptr-t.step",
    "a4910kjptr-t.lbr",
    "docs/hero.png",
    "docs/a4910kjptr-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "a4910kjptr-t-hero.glb",
    "a4910kjptr-t-hero.overlay.json",
    "a4910kjptr-t-etched.glb"
  ],
  "component": {
    "mpn": "A4910KJPTR-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/8576e381b26ef15367ecc62594d93bf6.pdf",
    "parts": {
      "symbol": "a4910kjptr-t.kicad_sym",
      "footprint": "a4910kjptr-t.kicad_mod",
      "model_3d": "a4910kjptr-t-hero.glb",
      "model_3d_plain": "a4910kjptr-t-etched.glb",
      "model_3d_step": "a4910kjptr-t-etched.step",
      "model_3d_step_plain": "a4910kjptr-t.step",
      "lbr": "a4910kjptr-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2150667",
      "digikey": "620-1534-2-ND",
      "mouser": "250-A4910KJPTR-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:19:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-1534-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "250-A4910KJPTR-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SA",
        "type": "passive",
        "description": "Motor connection for phase A, sensing the switched load voltage and connected to the negative side of the bootstrap capacitor (abs max VCx - 16 V to VCx + 0.3 V)."
      },
      {
        "number": "2",
        "name": "CA",
        "type": "passive",
        "description": "Bootstrap capacitor connection for phase A and positive supply for the high-side gate driver (abs max -0.3 V to VREG + 50 V)."
      },
      {
        "number": "3",
        "name": "VREG",
        "type": "power_out",
        "description": "Gate drive supply output, regulated nominally 13 V, requiring a storage capacitor to supply low-side drivers and bootstrap charging (abs max -0.3 to 16 V)."
      },
      {
        "number": "4",
        "name": "CP2",
        "type": "passive",
        "description": "Charge pump capacitor terminal; connect a minimum 220 nF, typically 470 nF, capacitor between CP1 and CP2."
      },
      {
        "number": "5",
        "name": "CP1",
        "type": "passive",
        "description": "Charge pump capacitor terminal; connect a minimum 220 nF, typically 470 nF, capacitor between CP1 and CP2 (abs max -0.3 to 16 V)."
      },
      {
        "number": "6",
        "name": "PGND",
        "type": "power_in",
        "description": "Digital and power ground, to be connected to supply ground and AGND."
      },
      {
        "number": "7",
        "name": "VBB",
        "type": "power_in",
        "description": "Main power supply for internal regulators and charge pump, operating 7 to 50 V (functional down to 5.5 V), connected through reverse voltage protection and decoupled."
      },
      {
        "number": "8",
        "name": "VBRG",
        "type": "input",
        "description": "Sense input to the top of the external MOSFET bridge for measuring the drain voltage of the high-side MOSFETs (abs max -5 to 55 V)."
      },
      {
        "number": "9",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog reference ground, quiet return for measurement and input references, connected to PGND."
      },
      {
        "number": "10",
        "name": "VDD",
        "type": "power_in",
        "description": "Logic supply of 3 to 5.5 V, decoupled with a 100 nF capacitor (abs max -0.3 to 6 V)."
      },
      {
        "number": "11",
        "name": "COASTn",
        "type": "input",
        "description": "Active-low input that forces all gate drive outputs low, turning off all external MOSFETs and overriding all other gate control inputs and registers."
      },
      {
        "number": "12",
        "name": "RESETn",
        "type": "input",
        "description": "Standby mode control: pulsing low resets faults and holding low longer than tRSD forces sleep mode; can be pulled to VBB with a 20 to 33 kΩ resistor."
      },
      {
        "number": "13",
        "name": "STRn",
        "type": "input",
        "description": "Serial strobe (chip select) input; when high, SCK and SDI activity is ignored and SDO is high impedance."
      },
      {
        "number": "14",
        "name": "SCK",
        "type": "input",
        "description": "Serial clock input; data is latched from SDI on the rising edge, with 16 rising edges per write, and SCK must be held high when STRn changes."
      },
      {
        "number": "15",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input, 16-bit word, MSB first."
      },
      {
        "number": "16",
        "name": "SDO",
        "type": "tri_state",
        "description": "Serial data output, high impedance when STRn is high, outputting the fault flag as soon as STRn goes low (abs max -0.3 to VDD + 0.3 V)."
      },
      {
        "number": "17",
        "name": "DIAG",
        "type": "output",
        "description": "Programmable diagnostic output selecting fault flag (default), temperature, clock, or VDS threshold."
      },
      {
        "number": "18",
        "name": "AHI",
        "type": "input",
        "description": "Control input for high side of phase A, logically ORed with the Run register bit to control GHA."
      },
      {
        "number": "19",
        "name": "ALO",
        "type": "input",
        "description": "Control input for low side of phase A, logically ORed with the Run register bit to control GLA."
      },
      {
        "number": "20",
        "name": "BHI",
        "type": "input",
        "description": "Control input for high side of phase B, logically ORed with the Run register bit to control GHB."
      },
      {
        "number": "21",
        "name": "BLO",
        "type": "input",
        "description": "Control input for low side of phase B, logically ORed with the Run register bit to control GLB."
      },
      {
        "number": "22",
        "name": "CHI",
        "type": "input",
        "description": "Control input for high side of phase C, logically ORed with the Run register bit to control GHC."
      },
      {
        "number": "23",
        "name": "CLO",
        "type": "input",
        "description": "Control input for low side of phase C, logically ORed with the Run register bit to control GLC."
      },
      {
        "number": "24",
        "name": "OPAP",
        "type": "input",
        "description": "Uncommitted operational amplifier non-inverting input (abs max -0.3 to 6.5 V)."
      },
      {
        "number": "25",
        "name": "OPAM",
        "type": "input",
        "description": "Uncommitted operational amplifier inverting input (abs max -0.3 to 6.5 V)."
      },
      {
        "number": "26",
        "name": "OPAO",
        "type": "output",
        "description": "Uncommitted operational amplifier output (abs max -0.3 to VDD + 0.3 V)."
      },
      {
        "number": "27",
        "name": "CSCP",
        "type": "input",
        "description": "Phase C current-sense amplifier positive input (abs max -4 to 6.5 V)."
      },
      {
        "number": "28",
        "name": "CSCM",
        "type": "input",
        "description": "Phase C current-sense amplifier negative input (abs max -4 to 6.5 V)."
      },
      {
        "number": "29",
        "name": "CSCO",
        "type": "output",
        "description": "Phase C current-sense amplifier output (abs max -0.3 to VDD + 0.3 V)."
      },
      {
        "number": "30",
        "name": "CSBP",
        "type": "input",
        "description": "Phase B current-sense amplifier positive input (abs max -4 to 6.5 V)."
      },
      {
        "number": "31",
        "name": "CSBM",
        "type": "input",
        "description": "Phase B current-sense amplifier negative input (abs max -4 to 6.5 V)."
      },
      {
        "number": "32",
        "name": "CSBO",
        "type": "output",
        "description": "Phase B current-sense amplifier output (abs max -0.3 to VDD + 0.3 V)."
      },
      {
        "number": "33",
        "name": "CSAP",
        "type": "input",
        "description": "Phase A current-sense amplifier positive input (abs max -4 to 6.5 V)."
      },
      {
        "number": "34",
        "name": "CSAM",
        "type": "input",
        "description": "Phase A current-sense amplifier negative input (abs max -4 to 6.5 V)."
      },
      {
        "number": "35",
        "name": "CSAO",
        "type": "output",
        "description": "Phase A current-sense amplifier output (abs max -0.3 to VDD + 0.3 V)."
      },
      {
        "number": "36",
        "name": "LSSC",
        "type": "passive",
        "description": "Low-side source return for phase C gate discharge, connected to the low-side MOSFET source through a low-impedance track (abs max VREG - 16 to 18 V)."
      },
      {
        "number": "37",
        "name": "GLC",
        "type": "output",
        "description": "Low-side gate drive output for phase C external N-channel MOSFET (abs max VREG - 16 to 18 V)."
      },
      {
        "number": "38",
        "name": "GHC",
        "type": "output",
        "description": "High-side gate drive output for phase C external N-channel MOSFET (abs max VCx - 16 to VCx + 0.3 V)."
      },
      {
        "number": "39",
        "name": "SC",
        "type": "passive",
        "description": "Motor connection for phase C, sensing the switched load voltage and connected to the negative side of the bootstrap capacitor."
      },
      {
        "number": "40",
        "name": "CC",
        "type": "passive",
        "description": "Bootstrap capacitor connection for phase C and positive supply for the high-side gate driver (abs max -0.3 to VREG + 50 V)."
      },
      {
        "number": "41",
        "name": "LSSB",
        "type": "passive",
        "description": "Low-side source return for phase B gate discharge, connected to the low-side MOSFET source through a low-impedance track (abs max VREG - 16 to 18 V)."
      },
      {
        "number": "42",
        "name": "GLB",
        "type": "output",
        "description": "Low-side gate drive output for phase B external N-channel MOSFET (abs max VREG - 16 to 18 V)."
      },
      {
        "number": "43",
        "name": "GHB",
        "type": "output",
        "description": "High-side gate drive output for phase B external N-channel MOSFET (abs max VCx - 16 to VCx + 0.3 V)."
      },
      {
        "number": "44",
        "name": "SB",
        "type": "passive",
        "description": "Motor connection for phase B, sensing the switched load voltage and connected to the negative side of the bootstrap capacitor."
      },
      {
        "number": "45",
        "name": "CB",
        "type": "passive",
        "description": "Bootstrap capacitor connection for phase B and positive supply for the high-side gate driver (abs max -0.3 to VREG + 50 V)."
      },
      {
        "number": "46",
        "name": "LSSA",
        "type": "passive",
        "description": "Low-side source return for phase A gate discharge, connected to the low-side MOSFET source through a low-impedance track (abs max VREG - 16 to 18 V)."
      },
      {
        "number": "47",
        "name": "GLA",
        "type": "output",
        "description": "Low-side gate drive output for phase A external N-channel MOSFET (abs max VREG - 16 to 18 V)."
      },
      {
        "number": "48",
        "name": "GHA",
        "type": "output",
        "description": "High-side gate drive output for phase A external N-channel MOSFET (abs max VCx - 16 to VCx + 0.3 V)."
      },
      {
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Exposed thermal pad has no stated electrical connection in the provided pages (terminal list only sa; Pin types for passive external-component terminals (CAx, SAx, LSSx, CP1, CP2) and VBRG, SDO are infe"
        ],
        "pages_sent": 11,
        "cost_usd": 0.1344,
        "at": "2026-10-30T22:19:30"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8576e381b26ef15367ecc62594d93bf6.pdf",
        "pages": 36,
        "sha256": "696bf2e310245234",
        "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": "a4910kjptr-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": "a4910kjptr-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": "f8c07a5f9b1d07d783ed52706be33865e372a9e7fce013243329303f2d316712",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}