EG1503

{
  "slug": "eg1503",
  "version": "0.1.0",
  "type": "component",
  "description": "EG Micro AC-DC Controllers & Regulators, SSOP-24-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "eg1503",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eg1503.kicad_sym",
    "eg1503.kicad_mod",
    "eg1503.glb",
    "eg1503.step",
    "eg1503.lbr",
    "docs/hero.png",
    "docs/eg1503-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eg1503-hero.glb",
    "eg1503-hero.overlay.json",
    "eg1503-etched.glb"
  ],
  "component": {
    "mpn": "EG1503",
    "manufacturer": "EG Micro",
    "package": "SSOP-24-150mil",
    "pin_count": 24,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/df04d8c0c75a4b66b448989ffaeca235.pdf",
    "parts": {
      "symbol": "eg1503.kicad_sym",
      "footprint": "eg1503.kicad_mod",
      "model_3d": "eg1503-hero.glb",
      "model_3d_plain": "eg1503-etched.glb",
      "model_3d_step": "eg1503-etched.step",
      "model_3d_step_plain": "eg1503.step",
      "lbr": "eg1503.lbr"
    },
    "distributor_links": {
      "lcsc": "C81684"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:37:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LED2",
        "type": "output",
        "description": "Battery level indicator LED2 output."
      },
      {
        "number": "2",
        "name": "LED1",
        "type": "output",
        "description": "Battery level indicator LED1 output."
      },
      {
        "number": "3",
        "name": "VREF",
        "type": "power_out",
        "description": "2.5V reference output with an external 1uF capacitor, used as the internal ADC reference (max output current 1mA)."
      },
      {
        "number": "4",
        "name": "AD0",
        "type": "input",
        "description": "ADC input."
      },
      {
        "number": "5",
        "name": "TFB",
        "type": "input",
        "description": "ADC input connected to internal AD1 and AD5 inputs; can be used as temperature detection input in power bank applications."
      },
      {
        "number": "6",
        "name": "OUTP",
        "type": "output",
        "description": "Short-circuit output enable control."
      },
      {
        "number": "7",
        "name": "IAPO",
        "type": "output",
        "description": "Current signal amplifier output, with an external 0.1uF capacitor."
      },
      {
        "number": "8",
        "name": "IFB1",
        "type": "input",
        "description": "Current-sense feedback input of constant-current channel 1 in boost mode."
      },
      {
        "number": "9",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "10",
        "name": "IFB2",
        "type": "input",
        "description": "Current-sense feedback input of constant-current channel 2 in boost mode."
      },
      {
        "number": "11",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C clock line, multiplexed with falling-edge wake-up from sleep."
      },
      {
        "number": "12",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data line."
      },
      {
        "number": "13",
        "name": "Icharge",
        "type": "input",
        "description": "Charge current sense feedback input in buck mode."
      },
      {
        "number": "14",
        "name": "VBAT",
        "type": "power_in",
        "description": "Output voltage sense feedback input in buck mode."
      },
      {
        "number": "15",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output compensation pin."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "17",
        "name": "NMOS",
        "type": "output",
        "description": "Gate drive output for the external low-side NMOS, drive current ±100mA."
      },
      {
        "number": "18",
        "name": "LX",
        "type": "bidirectional",
        "description": "Switch node."
      },
      {
        "number": "19",
        "name": "PMOS",
        "type": "output",
        "description": "Gate drive output for the external high-side PMOS, drive current ±100mA."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip supply pin, operating range 2.5V to 5.5V (abs max 6V)."
      },
      {
        "number": "21",
        "name": "BLED",
        "type": "output",
        "description": "High-power lighting LED output, drive capability 100mA."
      },
      {
        "number": "22",
        "name": "LED5",
        "type": "output",
        "description": "Battery level indicator LED5 with adjustable constant current."
      },
      {
        "number": "23",
        "name": "LED4",
        "type": "output",
        "description": "Battery level indicator LED4 output."
      },
      {
        "number": "24",
        "name": "LED3",
        "type": "output",
        "description": "Battery level indicator LED3 output."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: LX (pin 18) is described only as 'switch terminal' with I/O marked O; typed as bidirectional as a sw; Package dimension page (21) contains no extracted text, so 150mil body width could not be verified f"
        ],
        "pages_sent": 21,
        "cost_usd": 0.1786,
        "at": "2026-10-23T12:36:58"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/df04d8c0c75a4b66b448989ffaeca235.pdf",
        "pages": 21,
        "sha256": "14f6fac7774f8e34",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77dd0a1fc7e70e9eda1bfde9dde937dc6e391803cff9978790523c850c85a21d",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eg1503-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "sha256": "e2992c92c64fc90cefd1574d88ee9d3367d78430ec4a9244c77978db89a4811b",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}