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Ray Set visibility: public 2859c70 5d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "emc2301-1-aczl-tr",
  "title": "EMC2301-1-ACZL-TR",
  "brief": "Microchip Tech Brushed DC Motor Drivers, MSOP-8. 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",
    "motor driver ics",
    "emc2301-1-aczl-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "EMC2301-1-ACZL-TR",
    "manufacturer": "Microchip Tech",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Brushed DC Motor Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586196062100443136",
    "parts": {
      "symbol": "emc2301-1-aczl-tr.kicad_sym",
      "footprint": "emc2301-1-aczl-tr.kicad_mod",
      "model_3d": "emc2301-1-aczl-tr-hero.glb",
      "model_3d_plain": "emc2301-1-aczl-tr-etched.glb",
      "model_3d_step": "emc2301-1-aczl-tr-etched.step",
      "model_3d_step_plain": "emc2301-1-aczl-tr.step",
      "lbr": "emc2301-1-aczl-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C148036",
      "digikey": "EMC2301-1-ACZL-TR-ND",
      "mouser": "886-EMC2301-1-ACZLTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T23:29:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "EMC2301-1-ACZL-TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "886-EMC2301-1-ACZLTR",
        "status": "found"
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    },
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      {
        "number": "1",
        "name": "SMDATA",
        "type": "bidirectional",
        "description": "SMBus data input/output that requires an external pull-up resistor and is 5V tolerant (DIOD pin type)."
      },
      {
        "number": "2",
        "name": "SMCLK",
        "type": "input",
        "description": "SMBus clock input that requires an external pull-up resistor and is 5V tolerant (DI pin type)."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin for the device; for 5V tolerant pins with a pull-up resistor, the voltage difference between VDD and the 5V tolerant pad must never exceed 3.6V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device."
      },
      {
        "number": "5",
        "name": "PWM",
        "type": "output",
        "description": "Fan PWM output driver, configurable as push-pull output or open drain output (5V tolerant in open drain mode), with the open drain option requiring a pull-up resistor."
      },
      {
        "number": "6",
        "name": "TACH",
        "type": "input",
        "description": "Open drain tachometer input for the fan that requires a pull-up resistor and is 5V tolerant (DI pin type)."
      },
      {
        "number": "7",
        "name": "CLK",
        "type": "bidirectional",
        "description": "Clock pin that acts as a 5V tolerant clock input for tachometer measurement, or as a push-pull clock output to other fan controllers to synchronize fan speed control."
      },
      {
        "number": "8",
        "name": "ALERT#",
        "type": "output",
        "description": "Active low interrupt output that requires an external pull-up resistor and is 5V tolerant (open drain)."
      }
    ],
    "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: PWM pin is push-pull or open drain depending on configuration; mapped to output. Confirm the intende; CLK pin is an input for tachometer measurement or a push-pull output for clock sync depending on use; Page 7 gives VDD only as 'Power Supply' with pin type 'Power'; mapped to power_in. No voltage range "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0755,
        "at": "2026-10-20T23:25:11"
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        "pages": 43,
        "sha256": "c6a8293439ab2ecd",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "seat": "z = 0",
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        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "8d4345391ccbb899da91fd03be869b6c67a0dd1f90c48547b171c8b2357d0698",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "MSOP-8",
      "Category": "Motor Driver ICs",
      "Pins": "8"
    },
    "characteristics": {
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      "source": "datasheet",
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      "rows": [
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        {
          "name": "Voltage on 5V tolerant pins (|V5VT_pin - VDD|)",
          "symbol": "|V5VT_pin - VDD|",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 3.6,
          "conditions": "see Note 2.1",
          "source_page": 9,
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        },
        {
          "name": "Voltage on VDD pin",
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        {
          "name": "Operating Ambient Temperature Range",
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        {
          "name": "Storage Temperature Range",
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          "min": -55,
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        {
          "name": "ESD Rating, All Pins, HBM",
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        {
          "name": "Supply Voltage",
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        {
          "name": "Supply Current",
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        {
          "name": "PWM Duty Cycle",
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          "min": 0,
          "typ": null,
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          "conditions": "",
          "source_page": 9,
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        {
          "name": "Tachometer Range",
          "symbol": "TACH",
          "kind": "electrical",
          "unit": "RPM",
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          "typ": null,
          "max": 16000,
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        {
          "name": "Tachometer Setting Accuracy",
          "symbol": "ΔTACH",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "External oscillator 32.768kHz",
          "source_page": 9,
          "source": "datasheet"
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        {
          "name": "Tachometer Setting Accuracy",
          "symbol": "ΔTACH",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Internal Oscillator",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
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          "name": "Input Low Voltage",
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          "max": 0.4,
          "conditions": "8 mA current sink",
          "source_page": 10,
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        {
          "name": "Leakage current (ALERT# pin)",
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          "kind": "electrical",
          "unit": "uA",
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          "conditions": "ALERT# pin; powered and unpowered; 0°C < TA < 85°C; pull-up voltage < 3.6V",
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          "name": "Input High/Low Current",
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        {
          "name": "Clock Frequency",
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          "name": "Input Capacitance",
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          "unit": "pF",
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        {
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        {
          "name": "Setup Time: Start",
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          "min": 0.6,
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          "source_page": 10,
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        {
          "name": "Data Hold Time",
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          "source_page": 10,
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        {
          "name": "Package Thermal Resistance - Junction to Ambient (θJA)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 141,
          "max": null,
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          "source_page": 9,
          "source": "datasheet"
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      ]
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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