EG4003C

{
  "schema_version": 1,
  "type": "component",
  "slug": "eg4003c",
  "title": "EG4003C",
  "brief": "EG Micro Ambient Light Sensors, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "eg4003c"
  ],
  "component": {
    "mpn": "EG4003C",
    "manufacturer": "EG Micro",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Sensor",
    "subcategory": "Ambient Light Sensors",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201121400_EG-Micro-EG4003C_C2929101.pdf",
    "parts": {
      "symbol": "eg4003c.kicad_sym",
      "footprint": "eg4003c.kicad_mod",
      "model_3d": "eg4003c-etched.glb",
      "model_3d_plain": "eg4003c.glb",
      "model_3d_step": "eg4003c-etched.step",
      "model_3d_step_plain": "eg4003c.step",
      "lbr": "eg4003c.lbr"
    },
    "distributor_links": {
      "lcsc": "C2929101"
    },
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Output of the internal first-stage op-amp (OP1). Used as the feedback node for the external gain-setting network (R2, R3, C3) driving the inverting input 1IN-."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Inverting input of the internal first-stage op-amp (OP1). The PIR/microwave signal is AC-coupled here through C2/R2; overall analog gain A = A1*A2 = (R3/R2)*30 (typical 9000)."
      },
      {
        "number": "3",
        "name": "VC",
        "type": "input",
        "description": "Trigger-inhibit input. When V(VC) < 0.2*VDD triggering is disabled and OUT is forced low; when V(VC) > 0.2*VDD the trigger path is enabled and OUT follows Vs. Typically driven by a CdS/LDR divider for dusk-only operation."
      },
      {
        "number": "4",
        "name": "A",
        "type": "input",
        "description": "Retrigger mode select. A='1' (tied to VDD) enables retriggerable mode (Tx timer restarts on each Vs pulse during Tx). A='0' (tied to GND) selects non-retriggerable mode. VAH=3.5 V min @VDD=5 V; VAL=1 V max @VDD=5 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference (0 V)."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Active-high control signal output driving the load (relay, transistor, MCU). Drive capability ±25 mA at VDD=5 V and ±10 mA at VDD=3 V; VOH=4.5 V min @ILOAD=10 mA / VDD=5 V."
      },
      {
        "number": "7",
        "name": "CT",
        "type": "passive",
        "description": "Oscillator timing node. Connect an external capacitor CT to GND and a pull-up resistor RT (>=100 kΩ) to VDD; Tosc ≈ 0.4·RT·CT·RT/(RT-20k). Example: RT=100 kΩ, CT=1 nF → Tosc≈50 μs (f≈20 kHz). Sets Tx and Ti timer periods."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input, +3 V to +6 V operating range (7 V absolute max). Quiescent current typ 35 uA @3 V, 65 uA @5 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201121400_EG-Micro-EG4003C_C2929101.pdf",
        "pages": 14,
        "sha256": "b037c27db8b148b3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "eg4003c.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eg4003c-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "757742469dea4261201afa5f995851eac1680d8d3204316e8ca3b2a351383772",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "EG Micro",
      "Package": "SOP-8",
      "Category": "Sensor",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "eg4003c"
  ],
  "discovery_pitch": "EG4003C (EG Micro) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eg4003c.kicad_sym",
    "eg4003c.kicad_mod",
    "eg4003c.glb",
    "eg4003c.step",
    "eg4003c-etched.step",
    "eg4003c.lbr",
    "docs/hero.png",
    "docs/eg4003c-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "EG4003A",
      "kind": "unknown"
    },
    {
      "mpn": "EG4003B",
      "kind": "unknown"
    },
    {
      "mpn": "EG4003C",
      "kind": "packaging"
    },
    {
      "mpn": "EG4003D",
      "kind": "unknown"
    },
    {
      "mpn": "EG4003E",
      "kind": "unknown"
    },
    {
      "mpn": "EG4003F",
      "kind": "unknown"
    },
    {
      "mpn": "EG4003G",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-24T20:18:19.323Z"
}