main
Ray Set visibility: public dbaa490 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "eg3112",
  "title": "EG3112",
  "brief": "EG Micro Gate Drivers, SOIC-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",
    "eg3112",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "EG3112",
    "manufacturer": "EG Micro",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882226746699776",
    "parts": {
      "symbol": "eg3112.kicad_sym",
      "footprint": "eg3112.kicad_mod",
      "model_3d": "eg3112-hero.glb",
      "model_3d_plain": "eg3112-etched.glb",
      "model_3d_step": "eg3112-etched.step",
      "model_3d_step_plain": "eg3112.step",
      "lbr": "eg3112.lbr"
    },
    "distributor_links": {
      "lcsc": "C111908"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:26:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Vcc",
        "type": "power_in",
        "description": "Low-side supply input with an operating range of 2.8V to 20V; a high-frequency 0.1uF bypass capacitor is recommended to reduce high-frequency noise at this pin."
      },
      {
        "number": "2",
        "name": "HIN",
        "type": "input",
        "description": "Logic input controlling the high-side output HO, active high (1 turns the high-side MOSFET on, 0 turns it off), with logic high at 2.5V minimum, logic low at 1.0V maximum, and an internal 200K pull-down."
      },
      {
        "number": "3",
        "name": "LIN",
        "type": "input",
        "description": "Logic input controlling the low-side output LO, active high (1 turns the low-side MOSFET on, 0 turns it off), with logic high at 2.5V minimum, logic low at 1.0V maximum, and an internal 200K pull-down."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the chip."
      },
      {
        "number": "5",
        "name": "LO",
        "type": "output",
        "description": "Low-side gate driver output that controls the on/off state of the low-side power MOSFET."
      },
      {
        "number": "6",
        "name": "VS",
        "type": "power_in",
        "description": "High-side floating ground pin; the absolute maximum range is VB-20V to VB+0.3V."
      },
      {
        "number": "7",
        "name": "HO",
        "type": "output",
        "description": "High-side gate driver output that controls the on/off state of the high-side power MOSFET; the absolute maximum range is VS-0.3V to VB+0.3V."
      },
      {
        "number": "8",
        "name": "VB",
        "type": "power_in",
        "description": "High-side floating supply pin for the bootstrap supply, with an absolute maximum rating of 600V."
      }
    ],
    "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: Page 10 truth table labels HIN as pin 4, LIN as pin 3, HO as pin 7, and LO as pin 5, which conflicts; The datasheet lists VS as I/O type 'O' (output). It is the floating high-side return reference rathe; The datasheet's only package is SOP-8 (SOP8 package outline on page 12, 'EG3112 SOP-8' in features)."
        ],
        "pages_sent": 12,
        "cost_usd": 0.0478,
        "at": "2026-10-18T23:23:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882226746699776",
        "pages": 12,
        "sha256": "ff1a7a64833bedb1",
        "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"
    },
    "models_3d": [
      {
        "file": "eg3112.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eg3112-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": "42391934bb52f24f52362c113b0bb9b79856ed4c0ad74a7547e917778a5c9453",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "EG Micro",
      "Package": "SOIC-8",
      "Category": "Motor Driver ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ff1a7a64833bedb1c5396cd42f28c3f8da6db91c04e271e13d45f4413cd96921",
      "rows": [
        {
          "name": "电源 Vcc (supply voltage)",
          "symbol": "Vcc",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": 12,
          "max": 20,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "静态电流 (quiescent current)",
          "symbol": "Icc",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "输入悬空,Vcc=12V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "输入逻辑信号高电位",
          "symbol": "Vin(H)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "所有输入控制信号",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "输入逻辑信号低电位",
          "symbol": "Vin(L)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": 0,
          "max": 1,
          "conditions": "所有输入控制信号",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "输入逻辑信号高电平的电流",
          "symbol": "Iin(H)",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Vin=5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "输入逻辑信号低电平的电流",
          "symbol": "Iin(L)",
          "kind": "electrical",
          "unit": "uA",
          "min": -20,
          "typ": null,
          "max": null,
          "conditions": "Vin=0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "低端输出 LO 开延时",
          "symbol": "Ton",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 280,
          "max": 400,
          "conditions": "见图 7-1",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "低端输出 LO 关延时",
          "symbol": "Toff",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 125,
          "max": 300,
          "conditions": "见图 7-1",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "低端输出 LO 上升时间",
          "symbol": "Tr",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 120,
          "max": 200,
          "conditions": "见图 7-1",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "低端输出 LO 下降时间",
          "symbol": "Tf",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 80,
          "max": 100,
          "conditions": "见图 7-1",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "高端输出 HO 开延时",
          "symbol": "Ton",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 250,
          "max": 400,
          "conditions": "见图 7-2",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "高端输出 HO 关延时",
          "symbol": "Toff",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 180,
          "max": 400,
          "conditions": "见图 7-2",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "高端输出 HO 上升时间",
          "symbol": "Tr",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 120,
          "max": 200,
          "conditions": "见图 7-2",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "高端输出 HO 下降时间",
          "symbol": "Tf",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": 80,
          "max": 100,
          "conditions": "见图 7-2",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "死区时间",
          "symbol": "DT",
          "kind": "timing",
          "unit": "nS",
          "min": 50,
          "typ": 100,
          "max": 300,
          "conditions": "见图 7-3,无负载电容 CL=0",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "IO 输出拉电流",
          "symbol": "IO+",
          "kind": "electrical",
          "unit": "A",
          "min": 1.8,
          "typ": 2,
          "max": null,
          "conditions": "Vo=0V,VIN=VIH PW≤10uS",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "IO 输出灌电流",
          "symbol": "IO-",
          "kind": "electrical",
          "unit": "A",
          "min": 2,
          "typ": 2.5,
          "max": null,
          "conditions": "Vo=12V,VIN=VIL PW≤10uS",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "自举高端 VB 电源",
          "symbol": "VB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 600,
          "conditions": "TA=25℃ unless noted",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "低端输出 LO",
          "symbol": "LO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "TA=25℃ unless noted; max printed as VCC+0.3",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "电源 VCC",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 20,
          "conditions": "TA=25℃ unless noted",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "高通道逻辑信号输入电平",
          "symbol": "HIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "TA=25℃ unless noted; max printed as VCC+0.3",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "低通道逻辑信号输入电平",
          "symbol": "LIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "TA=25℃ unless noted; max printed as VCC+0.3",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "TA 环境温度",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -45,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Tstr 储存温度",
          "symbol": "Tstr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "TL 焊接温度",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "T=10S",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "推荐电源 Vcc (高压开启 MOS 管)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 10,
          "typ": null,
          "max": 15,
          "conditions": "高压开启 MOS 管推荐",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "推荐电源 Vcc (低压开启 MOS 管)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.8,
          "typ": null,
          "max": 10,
          "conditions": "低压开启 MOS 管推荐",
          "source_page": 10,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "eg3112"
  ],
  "discovery_pitch": "EG3112 (EG Micro) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eg3112.kicad_sym",
    "eg3112.kicad_mod",
    "eg3112.glb",
    "eg3112.step",
    "eg3112.lbr",
    "docs/hero.png",
    "docs/eg3112-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eg3112-hero.glb",
    "eg3112-hero.overlay.json",
    "eg3112-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}