EG1164

{
  "slug": "eg1164",
  "version": "0.1.0",
  "type": "component",
  "description": "EG Micro DC-DC Converters, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eg1164",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eg1164.kicad_sym",
    "eg1164.kicad_mod",
    "eg1164.glb",
    "eg1164.step",
    "eg1164.lbr",
    "docs/hero.png",
    "docs/eg1164-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eg1164-hero.glb",
    "eg1164-hero.overlay.json",
    "eg1164-etched.glb"
  ],
  "component": {
    "mpn": "EG1164",
    "manufacturer": "EG Micro",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834592502394880",
    "parts": {
      "symbol": "eg1164.kicad_sym",
      "footprint": "eg1164.kicad_mod",
      "model_3d": "eg1164-hero.glb",
      "model_3d_plain": "eg1164-etched.glb",
      "model_3d_step": "eg1164-etched.step",
      "model_3d_step_plain": "eg1164.step",
      "lbr": "eg1164.lbr"
    },
    "distributor_links": {
      "lcsc": "C2987434"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T23:38:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REF3.3V",
        "type": "output",
        "description": "3.3V reference output (3.1V to 3.3V, typical 3.2V) that can source up to 50mA, and should be bypassed with a 0.1uF ceramic capacitor placed close to the pin."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable pin with a 1.2V comparison threshold (1.15V to 1.25V); when it is below 1.2V the chip enters standby and turns off the 3.3V output, and its start and stop voltages are set by external resistors."
      },
      {
        "number": "3",
        "name": "SD",
        "type": "input",
        "description": "High level disables the PWM output cycle by cycle (requires at least 3V), and low level allows PWM output."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "input",
        "description": "Soft-start pin where an external capacitor sets the soft-start time through the rate at which its voltage rises."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Analog signal ground of the chip."
      },
      {
        "number": "6",
        "name": "CP",
        "type": "input",
        "description": "External timing capacitor that sets the PWM frequency as f = 18x10^6 / Cp (Cp in pF), so Cp = 270pF gives about 67kHz, with the chip's operating frequency range stated as 0 to 300kHz."
      },
      {
        "number": "7",
        "name": "ERRO",
        "type": "output",
        "description": "Output of the voltage-loop error amplifier."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the voltage-loop error amplifier, with a 1.2V reference (1.18V to 1.22V), where the output voltage is set by Vout = (1 + R1/R2) x 1.2V using the external divider."
      },
      {
        "number": "9",
        "name": "SDLIN",
        "type": "input",
        "description": "Low-side MOSFET current comparator input, with a 180mV current-limit threshold relative to COM."
      },
      {
        "number": "10",
        "name": "LO",
        "type": "output",
        "description": "Drives the low-side power MOSFET on and off, with output limits of -0.3V to VCC+0.3V, source current at least 1.2A and sink current at least 1.5A (pulse width up to 10us)."
      },
      {
        "number": "11",
        "name": "COM",
        "type": "power_in",
        "description": "Power ground of the chip, used as the return for the power MOSFET drive."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip supply pin with an operating range of 4V to 20V, with UVLO turn-on at 3.65V and turn-off at 3.6V."
      },
      {
        "number": "13",
        "name": "SDHIN",
        "type": "input",
        "description": "High-side MOSFET current comparator input, with a 180mV current-limit threshold relative to VS."
      },
      {
        "number": "14",
        "name": "VS",
        "type": "power_in",
        "description": "High-side floating ground, with an absolute range of VB-20V to VB+0.3V."
      },
      {
        "number": "15",
        "name": "VB",
        "type": "power_in",
        "description": "High-side floating supply with an absolute maximum of 600V, and a minimum operating voltage of 4V."
      },
      {
        "number": "16",
        "name": "HO",
        "type": "output",
        "description": "Drives the high-side power MOSFET on and off, with output limits of VS-0.3V to VB+0.3V, source current at least 1.2A and sink current at least 1.5A (pulse width up to 10us)."
      }
    ],
    "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: The datasheet pin table types VS as 'O' (output). It is described as the high-side floating ground, ; VSS is listed as 'AGND' and COM as 'PGND' in the datasheet; both are mapped to power_in per the grou; The datasheet is in Chinese and the pinout is given only for the SOP16 package, which matches the re"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0404,
        "at": "2026-10-20T23:33:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834592502394880",
        "pages": 12,
        "sha256": "e1dec87a5e3b4239",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eg1164-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "179e0f33f290daeee2734beacad0c1aa83cc520ff2380d58d4e386a25f95a491",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}