AS5045B-ASST

{
  "schema_version": 1,
  "type": "component",
  "slug": "as5045b-asst",
  "title": "AS5045B-ASST",
  "brief": "AMS Position Sensors, SSOP-16-208mil. 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",
    "sensors",
    "as5045b-asst",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AS5045B-ASST",
    "manufacturer": "AMS",
    "package": "SSOP-16-208mil",
    "pin_count": 16,
    "category": "Sensors",
    "subcategory": "Position Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903146267303936",
    "parts": {
      "symbol": "as5045b-asst.kicad_sym",
      "footprint": "as5045b-asst.kicad_mod",
      "model_3d": "as5045b-asst-etched.glb",
      "model_3d_plain": "as5045b-asst.glb",
      "model_3d_step": "as5045b-asst-etched.step",
      "model_3d_step_plain": "as5045b-asst.step",
      "lbr": "as5045b-asst.lbr"
    },
    "distributor_links": {
      "lcsc": "C5375289"
    },
    "pins": [
      {
        "number": "1",
        "name": "MagINCn",
        "type": "output",
        "description": "Magnet field magnitude increase indicator; active-low open-drain output; indicates reduction in magnet-to-device distance."
      },
      {
        "number": "2",
        "name": "MagDECn",
        "type": "output",
        "description": "Magnet field magnitude decrease indicator; active-low open-drain output; indicates increase in magnet-to-device distance."
      },
      {
        "number": "3",
        "name": "A",
        "type": "output",
        "description": "Incremental quadrature output A; 1024 pulses per revolution."
      },
      {
        "number": "4",
        "name": "B",
        "type": "output",
        "description": "Incremental quadrature output B; 1024 pulses per revolution."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; must be left unconnected."
      },
      {
        "number": "6",
        "name": "I",
        "type": "output",
        "description": "Index signal for quadrature output; zero position reference."
      },
      {
        "number": "7",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground; negative supply voltage."
      },
      {
        "number": "8",
        "name": "PDIO",
        "type": "input",
        "description": "OTP programming input and daisy-chain data input; internal 74kΩ pull-down resistor; connect to VSS if programming disabled."
      },
      {
        "number": "9",
        "name": "DO",
        "type": "tri_state",
        "description": "Synchronous serial interface data output; tri-state compatible."
      },
      {
        "number": "10",
        "name": "CLK",
        "type": "input",
        "description": "Synchronous serial interface clock input; Schmitt-trigger input."
      },
      {
        "number": "11",
        "name": "CSn",
        "type": "input",
        "description": "Chip select; active-low; Schmitt-trigger input; internal 50kΩ pull-up resistor."
      },
      {
        "number": "12",
        "name": "PWM",
        "type": "output",
        "description": "Pulse width modulation output; duty cycle 1 to 4096 μs representing 0 to 359.91 degrees."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; must be left unconnected."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; must be left unconnected."
      },
      {
        "number": "15",
        "name": "VDD3V3",
        "type": "power_out",
        "description": "3.3V LDO regulator output regulated from VDD5V; internal use only; do not load externally."
      },
      {
        "number": "16",
        "name": "VDD5V",
        "type": "power_in",
        "description": "Positive supply voltage; operating range 3.0V to 5.5V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 2 (MagDECn) explicit pin type not shown in main table header row on page 4; confirmed as 'active; VDD3V3 (pin 15) is marked as power_out even though datasheet specifies it must not be loaded externa"
        ],
        "pages_sent": 50,
        "cost_usd": 0.3331,
        "at": "2026-09-17T21:59:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903146267303936",
        "pages": 50,
        "sha256": "1b34121a0adad038",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "as5045b-asst.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d0e11e46aeca5dbaa5c4bb538f3f4899761267cabdeba6486325ae9e979c03ef",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "as5045b-asst-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "820182a5a0c276290bdfeea73eeda1a868b2523509f1bfc8deda6ad8d5d2f177",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "AMS",
      "Package": "SSOP-16-208mil",
      "Category": "Sensors",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "as5045b-asst"
  ],
  "discovery_pitch": "AS5045B-ASST (AMS) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "as5045b-asst.kicad_sym",
    "as5045b-asst.kicad_mod",
    "as5045b-asst.glb",
    "as5045b-asst.step",
    "as5045b-asst.lbr",
    "docs/hero.png",
    "docs/as5045b-asst-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:59:01.101Z"
}