AS5040-ASST

{
  "slug": "as5040-asst",
  "version": "0.1.0",
  "type": "component",
  "description": "AMS Signal Switches, Multiplexers, Decoders, SSOP-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "as5040-asst",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "as5040-asst.kicad_sym",
    "as5040-asst.kicad_mod",
    "as5040-asst.glb",
    "as5040-asst.step",
    "as5040-asst.lbr",
    "docs/hero.png",
    "docs/as5040-asst-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "as5040-asst-hero.glb",
    "as5040-asst-hero.overlay.json",
    "as5040-asst-etched.glb"
  ],
  "component": {
    "mpn": "AS5040-ASST",
    "manufacturer": "AMS",
    "package": "SSOP-16-208mil",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590224567655428096",
    "parts": {
      "symbol": "as5040-asst.kicad_sym",
      "footprint": "as5040-asst.kicad_mod",
      "model_3d": "as5040-asst-hero.glb",
      "model_3d_plain": "as5040-asst-etched.glb",
      "model_3d_step": "as5040-asst-etched.step",
      "model_3d_step_plain": "as5040-asst.step",
      "lbr": "as5040-asst.lbr"
    },
    "distributor_links": {
      "lcsc": "C962061"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T12:42:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "MagINCn",
        "type": "output",
        "description": "Magnet field magnitude increase indicator, active low, signals a reduced distance between magnet and device; open-drain digital output."
      },
      {
        "number": "2",
        "name": "MagDECn",
        "type": "output",
        "description": "Magnet field magnitude decrease indicator, active low, signals an increased distance between device and magnet; open-drain digital output."
      },
      {
        "number": "3",
        "name": "A_LSB_U",
        "type": "output",
        "description": "Mode 1.x quadrature A channel, Mode 2.x least significant bit (LSB), Mode 3.x U signal (phase 1) of the incremental interface."
      },
      {
        "number": "4",
        "name": "B_Dir_V",
        "type": "output",
        "description": "Mode 1.x quadrature B channel (quarter period shift to channel A), Mode 2.x direction of rotation, Mode 3.x V signal (phase 2)."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Must be left unconnected."
      },
      {
        "number": "6",
        "name": "Index_W",
        "type": "output",
        "description": "Mode 1.x and 2.x index signal indicating the absolute zero position; Mode 3.x W signal (phase 3)."
      },
      {
        "number": "7",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply voltage (GND)."
      },
      {
        "number": "8",
        "name": "Prog",
        "type": "input",
        "description": "OTP programming input and data input for daisy chain mode; internal pull-down resistor (~74 kΩ), may be connected to VSS if programming is not used."
      },
      {
        "number": "9",
        "name": "DO",
        "type": "tri_state",
        "description": "Data output of the synchronous serial interface; tri-stated when CSn is high, which also terminates serial data transfer."
      },
      {
        "number": "10",
        "name": "CLK",
        "type": "input",
        "description": "Clock input of the synchronous serial interface, Schmitt-trigger input."
      },
      {
        "number": "11",
        "name": "CSn",
        "type": "input",
        "description": "Chip select, active low, Schmitt-trigger input with internal pull-up resistor (~50 kΩ); connect to VSS in incremental mode."
      },
      {
        "number": "12",
        "name": "PWM_LSB",
        "type": "output",
        "description": "Pulse width modulated output of approx. 1 kHz (1 µs to 1024 µs over a full turn); provides the LSB in Mode 3.x."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "Must be left unconnected."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "Must be left unconnected."
      },
      {
        "number": "15",
        "name": "VDD3V3",
        "type": "power_out",
        "description": "3 V regulator output of the internal LDO (see Figure 39 of the datasheet)."
      },
      {
        "number": "16",
        "name": "VDD5V",
        "type": "power_in",
        "description": "Positive supply voltage, 5 V."
      }
    ],
    "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 AS5040-ASST is the SSOP-16 tape-and-reel variant per the ordering table (page 55); the pin table; Pins 1 and 2 are open-drain outputs (DO_OD). The schema has no open-drain class, so they are mapped ; Pin 15 (VDD3V3) is typed as power_out because the datasheet calls it a 3 V regulator output. Its out"
        ],
        "pages_sent": 22,
        "cost_usd": 0.0698,
        "at": "2026-10-18T12:41:31"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590224567655428096",
        "pages": 61,
        "sha256": "20b6fa4b22dc6a84",
        "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": "as5040-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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "as5040-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": "db173f023384bdb21036f21b41ce259c139120f82acae51f8f38e9955d347955",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}