AMT49700KETJTR

{
  "slug": "amt49700ketjtr",
  "version": "0.1.0",
  "type": "component",
  "description": "Allegro MicroSystems, LLC New Arrivals, QFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "others",
    "amt49700ketjtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "amt49700ketjtr.kicad_sym",
    "amt49700ketjtr.kicad_mod",
    "amt49700ketjtr.glb",
    "amt49700ketjtr.step",
    "amt49700ketjtr.lbr",
    "docs/hero.png",
    "docs/amt49700ketjtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "amt49700ketjtr-hero.glb",
    "amt49700ketjtr-hero.overlay.json",
    "amt49700ketjtr-etched.glb"
  ],
  "component": {
    "mpn": "AMT49700KETJTR",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "QFN-32(5x5)",
    "pin_count": 33,
    "category": "Others",
    "subcategory": "New Arrivals",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/018e65f67a16ae302c64f8c8fd1cd0d3.pdf",
    "parts": {
      "symbol": "amt49700ketjtr.kicad_sym",
      "footprint": "amt49700ketjtr.kicad_mod",
      "model_3d": "amt49700ketjtr-hero.glb",
      "model_3d_plain": "amt49700ketjtr-etched.glb",
      "model_3d_step": "amt49700ketjtr-etched.step",
      "model_3d_step_plain": "amt49700ketjtr.step",
      "lbr": "amt49700ketjtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C7214398",
      "digikey": "620-2056-2-ND",
      "mouser": "250-AMT49700KETJTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T02:13:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-2056-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "250-AMT49700KETJTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CP2",
        "type": "passive",
        "description": "Charge pump capacitor terminal; connect a 100 nF (50 V) ceramic capacitor between CP1 and CP2 (abs max -0.3 to VBB + 8 V)."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "3",
        "name": "VCP",
        "type": "passive",
        "description": "Charge pump storage capacitor terminal for above-supply high-side drive; connect a 100 nF (16 V) ceramic capacitor between VCP and VBB."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "5",
        "name": "RESETn",
        "type": "input",
        "description": "Standby mode control: a low pulse (tRST) resets faults, held low longer than tRSD forces sleep; can be pulled to VBB with 33 kΩ, abs max -0.3 to 6 V."
      },
      {
        "number": "6",
        "name": "DIR",
        "type": "input",
        "description": "Direction logic input with filtered hysteresis; when high the Phase Angle Number increases on the STEP rising edge, no effect when using the serial interface (abs max 6 V)."
      },
      {
        "number": "7",
        "name": "STEP",
        "type": "input",
        "description": "Step logic input; motor advances on the rising edge, filtered input with hysteresis (abs max 6 V)."
      },
      {
        "number": "8",
        "name": "STRn",
        "type": "input",
        "description": "Serial strobe (chip select) input; when high, SCK and SDI activity is ignored and SDO is high impedance (abs max 6 V)."
      },
      {
        "number": "9",
        "name": "SCK",
        "type": "input",
        "description": "Serial clock input; data latched from SDI on the rising edge, 16 rising edges per write, held high when STRn changes (abs max 6 V)."
      },
      {
        "number": "10",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input, 16-bit word, MSB first (abs max 6 V)."
      },
      {
        "number": "11",
        "name": "SDO",
        "type": "tri_state",
        "description": "Serial data output, high impedance when STRn is high, outputs the FF fault flag bit as soon as STRn goes low (abs max 6 V)."
      },
      {
        "number": "12",
        "name": "DIAG",
        "type": "output",
        "description": "Open-drain diagnostic output with function selected via serial interface, default is fault flag; survives up to 40 V but goes high impedance above about 16 V, typically pulled up with 10 kΩ to 20 kΩ."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "14",
        "name": "VBB",
        "type": "power_in",
        "description": "Main motor and chip supply (3.7 to 42 V operation, abs max 42 V); connect both VBB pins together, each decoupled with a low-ESR electrolytic and a ceramic capacitor."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "16",
        "name": "OBP",
        "type": "output",
        "description": "Bridge B positive output for motor phase B; positive current flows from OBP to OBM (abs max -0.3 to VBB)."
      },
      {
        "number": "17",
        "name": "GNDPB",
        "type": "power_in",
        "description": "Power ground for B phase bridge; must be connected to GND (within ±0.1 V)."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "19",
        "name": "OBM",
        "type": "output",
        "description": "Bridge B negative output for motor phase B (abs max -0.3 to VBB)."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "22",
        "name": "OAM",
        "type": "output",
        "description": "Bridge A negative output for motor phase A (abs max -0.3 to VBB)."
      },
      {
        "number": "23",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "24",
        "name": "GNDPA",
        "type": "power_in",
        "description": "Power ground for A phase bridge; must be connected to GND (within ±0.1 V)."
      },
      {
        "number": "25",
        "name": "OAP",
        "type": "output",
        "description": "Bridge A positive output for motor phase A; positive current flows from OAP to OAM (abs max -0.3 to VBB)."
      },
      {
        "number": "26",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "27",
        "name": "VBB",
        "type": "power_in",
        "description": "Main motor and chip supply (3.7 to 42 V operation, abs max 42 V); connect both VBB pins together, each decoupled with a low-ESR electrolytic and a ceramic capacitor."
      },
      {
        "number": "28",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Power and reference ground; connect to GNDPA and GNDPB."
      },
      {
        "number": "30",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "number": "31",
        "name": "CP1",
        "type": "passive",
        "description": "Charge pump capacitor terminal; connect a 100 nF (50 V) ceramic capacitor between CP1 and CP2 (abs max -0.3 to VBB + 0.3 V)."
      },
      {
        "number": "32",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (shown as NC in the pinout diagram)."
      },
      {
        "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 terminal list table gives only 20 numbered pins plus PAD. The NC pin numbers (2,4,13,15,18,20,21; The datasheet text doesn't state a pin type for the exposed pad. I set it to GND from the functional; The CP1, CP2 and VCP types (passive) and the SDO type (tri_state) are my interpretation of their fun"
        ],
        "pages_sent": 11,
        "cost_usd": 0.1652,
        "at": "2026-10-31T02:13:41"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/018e65f67a16ae302c64f8c8fd1cd0d3.pdf",
        "pages": 45,
        "sha256": "f40780a7ddc01aa0",
        "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": "amt49700ketjtr.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": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "amt49700ketjtr-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": "8fcf1c2504a9562f5bb92bf129c5f0b0ca51b461f16fe36d0b01530926597df3",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "ET",
      "source_page": 44,
      "D": {
        "nom_mm": 5.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 5.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "amt49700ketjtr.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}