main
Ray Set visibility: public d2cc126 8d ago
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{
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  "type": "component",
  "slug": "emc2101-aczl-tr",
  "title": "EMC2101-ACZL-TR",
  "brief": "Microchip Tech Brushless DC (BLDC) Motor Driver, 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",
    "emc2101-aczl-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "EMC2101-ACZL-TR",
    "manufacturer": "Microchip Tech",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Brushless DC (BLDC) Motor Driver",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589804785093681152",
    "parts": {
      "symbol": "emc2101-aczl-tr.kicad_sym",
      "footprint": "emc2101-aczl-tr.kicad_mod",
      "model_3d": "emc2101-aczl-tr-hero.glb",
      "model_3d_plain": "emc2101-aczl-tr-etched.glb",
      "model_3d_step": "emc2101-aczl-tr-etched.step",
      "model_3d_step_plain": "emc2101-aczl-tr.step",
      "lbr": "emc2101-aczl-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C626967"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:06:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
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        "name": "VDD",
        "type": "power_in",
        "description": "3.3V power supply input for the device."
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        "number": "2",
        "name": "DP",
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        "description": "External diode positive (anode) connection for the remote temperature sensing diode; analog input."
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      {
        "number": "3",
        "name": "DN",
        "type": "input",
        "description": "External diode negative (cathode) connection for the remote temperature sensing diode; analog input."
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      {
        "number": "4",
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        "type": "output",
        "description": "Fan drive output that is software-selectable as an open-drain PWM output (default, 5V tolerant) or an analog DAC output (0V to VDD)."
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      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
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        "number": "6",
        "name": "ALERT/TACH",
        "type": "bidirectional",
        "description": "Open-drain 5V-tolerant I/O that operates as an active-low interrupt (ALERT) output or as a TACH input; it requires a pull-up resistor whose value defines the auto-configuration mode (see Table 4-1)."
      },
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        "number": "7",
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        "number": "8",
        "name": "SMCLK",
        "type": "bidirectional",
        "description": "SMBus clock input (open-drain when driven as an output); requires a pull-up resistor and is 5V tolerant."
      }
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      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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: FAN is multi-function (open-drain PWM or analog DAC output selected in software). Mapped to 'output'; Open-drain / DIOD pins are mapped to 'bidirectional' because the datasheet describes them as digital; The pin table is for the EMC2101 (Product ID 16h). The MPN suffix '-ACZL-TR' is not decoded in the p"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0629,
        "at": "2026-10-18T18:05:49"
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        "pages": 56,
        "sha256": "1e5b0fc888d463b6",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      "Package": "MSOP-8",
      "Category": "Motor Driver ICs",
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          "name": "External Temperature Accuracy",
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          "name": "External Temperature Accuracy",
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        {
          "name": "Filter Capacitor across External Diode",
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          "conditions": "Connected across External Diode (2N3904)",
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          "name": "Filter Capacitor across Substrate Transistor",
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          "conditions": "Connected across Substrate Transistor (CPU diode)",
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          "unit": "%",
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        {
          "name": "PWM Resolution",
          "symbol": "",
          "kind": "electrical",
          "unit": "Steps",
          "min": null,
          "typ": null,
          "max": 64,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "PWM Frequency",
          "symbol": "fPWM",
          "kind": "electrical",
          "unit": "Hz",
          "min": 22,
          "typ": null,
          "max": 5,
          "conditions": "For 64 steps, higher frequencies are possible with reduced resolution (see Appendix B)",
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        {
          "name": "PWM Duty Cycle",
          "symbol": "DPWM",
          "kind": "electrical",
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          "min": 0,
          "typ": null,
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        {
          "name": "DAC Resolution",
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          "kind": "electrical",
          "unit": "bits",
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          "conditions": "8 mA Current Sink",
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          "name": "Output Leakage Current",
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          "kind": "electrical",
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          "min": null,
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          "conditions": "Device powered or unpowered; TA < +85°C; Pull-up voltage ≤ 3.6V",
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          "name": "SMBus Input High Voltage",
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          "name": "SMBus Input Low Voltage",
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          "name": "SMBus Input High/Low Current",
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          "min": -1,
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          "name": "SMBus Hysteresis",
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          "name": "SMBus Output Low Sink Current",
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        {
          "name": "SMBus Clock Frequency",
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          "kind": "timing",
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          "min": 10,
          "typ": null,
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          "conditions": "",
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        {
          "name": "SMBus Spike Suppression",
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          "max": 50,
          "conditions": "",
          "source_page": 5,
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        {
          "name": "SMBus Bus Free Time Start to Stop",
          "symbol": "tBUF",
          "kind": "timing",
          "unit": "µs",
          "min": 1.3,
          "typ": null,
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        {
          "name": "SMBus Hold Time Start",
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          "kind": "timing",
          "unit": "µs",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SMBus Setup Time Start",
          "symbol": "tSU:STA",
          "kind": "timing",
          "unit": "µs",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "",
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        {
          "name": "SMBus Setup Time Stop",
          "symbol": "tSU:STO",
          "kind": "timing",
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          "min": 0.6,
          "typ": null,
          "max": null,
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          "source_page": 5,
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        {
          "name": "SMBus Data Hold Time",
          "symbol": "tHD:DAT",
          "kind": "timing",
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          "min": 0.3,
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        },
        {
          "name": "SMBus Data Setup Time",
          "symbol": "tSU:DAT",
          "kind": "timing",
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          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "SMBus Clock Low Period",
          "symbol": "tLOW",
          "kind": "timing",
          "unit": "µs",
          "min": 1.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "SMBus Clock High Period",
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          "typ": null,
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        {
          "name": "SMBus Clock/Data Fall Time",
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          "kind": "timing",
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        {
          "name": "SMBus Clock/Data Rise Time",
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          "kind": "timing",
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          "max": 300,
          "conditions": "Min = 20+0.1CLOAD ns (Note 1)",
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          "source": "datasheet"
        },
        {
          "name": "SMBus Capacitive Load",
          "symbol": "CLOAD",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Per bus line",
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        {
          "name": "Supply Voltage (absolute maximum)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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          "source_page": 3,
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        {
          "name": "Voltage on 5V tolerant pins",
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          "source_page": 3,
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        {
          "name": "Voltage on 5V tolerant pins relative to VDD",
          "symbol": "|V5VT_pin - VDD|",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "Note: pull-up voltage must not exceed 3.6V when unpowered",
          "source_page": 3,
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          "name": "Operating Temperature Range",
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          "min": -40,
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          "name": "Storage Temperature Range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
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          "conditions": "",
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        {
          "name": "Ambient Temperature (electrical specification range)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 85,
          "conditions": "Unless otherwise specified; VDD = 3.0V to 3.6V",
          "source_page": 3,
          "source": "datasheet"
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      ]
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  },
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  "discovery_pitch": "EMC2101-ACZL-TR (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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