main
Ray Publish 0.1.0 b21aec0 8d ago
{
  "slug": "slm8835eg",
  "version": "0.1.0",
  "type": "component",
  "description": "Sillumin Gate Drivers, QFN-36-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "slm8835eg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "slm8835eg.kicad_sym",
    "slm8835eg.kicad_mod",
    "slm8835eg.glb",
    "slm8835eg.step",
    "slm8835eg.lbr",
    "docs/hero.png",
    "docs/slm8835eg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "slm8835eg-hero.glb",
    "slm8835eg-hero.overlay.json",
    "slm8835eg-etched.glb"
  ],
  "component": {
    "mpn": "SLM8835EG",
    "manufacturer": "Sillumin",
    "package": "QFN-36-EP(6x6)",
    "pin_count": 37,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757117706770223104",
    "parts": {
      "symbol": "slm8835eg.kicad_sym",
      "footprint": "slm8835eg.kicad_mod",
      "model_3d": "slm8835eg-hero.glb",
      "model_3d_plain": "slm8835eg-etched.glb",
      "model_3d_step": "slm8835eg-etched.step",
      "model_3d_step_plain": "slm8835eg.step",
      "lbr": "slm8835eg.lbr"
    },
    "distributor_links": {
      "lcsc": "C7466600"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T21:26:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; leave this pin floating."
      },
      {
        "number": "2",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; leave this pin floating."
      },
      {
        "number": "3",
        "name": "IN2N",
        "type": "input",
        "description": "Inverting input of the compensation amplifier (Chopper 2); input voltages to AGND are limited to -0.3 V to VVDD."
      },
      {
        "number": "4",
        "name": "OUT2",
        "type": "output",
        "description": "Output of the compensation amplifier (Chopper 2); absolute maximum output current is 50 mA to AGND."
      },
      {
        "number": "5",
        "name": "VLIM/SD",
        "type": "input",
        "description": "Voltage limit and shutdown input that sets the cooling and heating TEC voltage limits; the device shuts down when this pin is pulled below 0.07 V."
      },
      {
        "number": "6",
        "name": "ILIM",
        "type": "input",
        "description": "Current limit input that sets the TEC cooling and heating current limits; VILIM_HEATING must not exceed 1.2 V and VILIM_COOLING must be more than 1.3 V."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Power for the controller circuits, specified at 2.7 V to 5.5 V."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "2.5 V reference output (2.475 V to 2.525 V at 0 to 10 mA); absolute maximum reference current is 20 mA."
      },
      {
        "number": "9",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; leave this pin floating."
      },
      {
        "number": "10",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; leave this pin floating."
      },
      {
        "number": "11",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; leave this pin floating."
      },
      {
        "number": "12",
        "name": "AGND",
        "type": "power_in",
        "description": "Signal ground; the absolute maximum offset from PGNDL/PGNDS is -0.3 V to 0.3 V."
      },
      {
        "number": "13",
        "name": "EN/SY",
        "type": "input",
        "description": "Enable/synchronization input: logic high above 2.1 V enables the device, low below 0.8 V shuts it down, and an external clock of 1.85 MHz to 3.25 MHz may be applied."
      },
      {
        "number": "14",
        "name": "VTEC",
        "type": "output",
        "description": "TEC voltage monitor output where 1.25 V corresponds to 0 V across the TEC, with an output range of 0.005 V to 2.625 V."
      },
      {
        "number": "15",
        "name": "SFB",
        "type": "input",
        "description": "Feedback input of the PWM TEC controller output, with an input bias current of 1 to 2 µA."
      },
      {
        "number": "16",
        "name": "ITEC",
        "type": "output",
        "description": "TEC current monitor output where 1.25 V corresponds to 0 A, with a current sense gain of 0.285 V/A and a maximum output current of 2 mA."
      },
      {
        "number": "17",
        "name": "PGNDS",
        "type": "power_in",
        "description": "Power ground of the PWM TEC controller."
      },
      {
        "number": "18",
        "name": "PGNDS",
        "type": "power_in",
        "description": "Power ground of the PWM TEC controller."
      },
      {
        "number": "19",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; leave this pin floating."
      },
      {
        "number": "20",
        "name": "SW",
        "type": "output",
        "description": "Switch node output of the PWM TEC controller, with absolute maximum voltage of 6.0 V to PGNDS and maximum source/sink current of 3.5 A."
      },
      {
        "number": "21",
        "name": "SW",
        "type": "output",
        "description": "Switch node output of the PWM TEC controller, with absolute maximum voltage of 6.0 V to PGNDS and maximum source/sink current of 3.5 A."
      },
      {
        "number": "22",
        "name": "PVINS",
        "type": "power_in",
        "description": "Power input for the PWM TEC driver, specified at 2.7 V to 5.5 V."
      },
      {
        "number": "23",
        "name": "PVINS",
        "type": "power_in",
        "description": "Power input for the PWM TEC driver, specified at 2.7 V to 5.5 V."
      },
      {
        "number": "24",
        "name": "PVINL",
        "type": "power_in",
        "description": "Power input for the linear TEC driver, specified at 2.7 V to 5.5 V."
      },
      {
        "number": "25",
        "name": "PVINL",
        "type": "power_in",
        "description": "Power input for the linear TEC driver, specified at 2.7 V to 5.5 V."
      },
      {
        "number": "26",
        "name": "LDR",
        "type": "output",
        "description": "Output of the linear TEC controller, with maximum source/sink current of 3.5 A and LDR to PGNDL limited to -0.3 V to VPVINL."
      },
      {
        "number": "27",
        "name": "LDR",
        "type": "output",
        "description": "Output of the linear TEC controller, with maximum source/sink current of 3.5 A and LDR to PGNDL limited to -0.3 V to VPVINL."
      },
      {
        "number": "28",
        "name": "PGNDL",
        "type": "power_in",
        "description": "Power ground of the linear TEC controller."
      },
      {
        "number": "29",
        "name": "PGNDL",
        "type": "power_in",
        "description": "Power ground of the linear TEC controller."
      },
      {
        "number": "30",
        "name": "TMPGD",
        "type": "output",
        "description": "Temperature good output that goes high when VOUT1 is within the 1.46 V to 1.54 V detection window, with VOH of 2.0 V minimum and VOL of 0.4 V maximum at no load."
      },
      {
        "number": "31",
        "name": "OUT1",
        "type": "output",
        "description": "Output of the error amplifier (Chopper 1), with absolute maximum output current of 50 mA to AGND."
      },
      {
        "number": "32",
        "name": "IN1N",
        "type": "input",
        "description": "Inverting input of the error amplifier (Chopper 1); input voltages to AGND are limited to -0.3 V to VVDD."
      },
      {
        "number": "33",
        "name": "IN1P",
        "type": "input",
        "description": "Noninverting input of the error amplifier (Chopper 1); input voltages to AGND are limited to -0.3 V to VVDD."
      },
      {
        "number": "34",
        "name": "IN2P",
        "type": "input",
        "description": "Noninverting input of the compensation amplifier (Chopper 2), used for the temperature setpoint; input voltages to AGND are limited to -0.3 V to VVDD."
      },
      {
        "number": "35",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; leave this pin floating."
      },
      {
        "number": "36",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; leave this pin floating."
      },
      {
        "number": "37",
        "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-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package matches: the ordering table lists SLM8835EG as a 36-lead, 6 mm x 6 mm QFN, so the 36-pin QFN; The Pin Configuration (top view) text extraction is scrambled and includes a typo ('1N2N'), so pin-t; The exposed pad type is not stated as ground in the datasheet; it says only to solder it to the anal",
          "exposed pad 37 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 18,
        "cost_usd": 0.107,
        "at": "2026-10-18T21:23:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757117706770223104",
        "pages": 18,
        "sha256": "fc6a9b04471185c8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 37,
        "described": 37,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "slm8835eg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "slm8835eg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b6197eda66f0a13647f875e60877f8fc3fc0acf0098a2b41c4631a18794c0b1d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}