EG1397

{
  "slug": "eg1397",
  "version": "0.1.0",
  "type": "component",
  "description": "EG Micro AC-DC Controllers And Regulators, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eg1397",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eg1397.kicad_sym",
    "eg1397.kicad_mod",
    "eg1397.glb",
    "eg1397.step",
    "eg1397.lbr",
    "docs/hero.png",
    "docs/eg1397-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eg1397-hero.glb",
    "eg1397-hero.overlay.json",
    "eg1397-etched.glb"
  ],
  "component": {
    "mpn": "EG1397",
    "manufacturer": "EG Micro",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590927109562970113",
    "parts": {
      "symbol": "eg1397.kicad_sym",
      "footprint": "eg1397.kicad_mod",
      "model_3d": "eg1397-hero.glb",
      "model_3d_plain": "eg1397-etched.glb",
      "model_3d_step": "eg1397-etched.step",
      "model_3d_step_plain": "eg1397.step",
      "lbr": "eg1397.lbr"
    },
    "distributor_links": {
      "lcsc": "C20416232"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T09:10:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CSS",
        "type": "output",
        "description": "Soft-start capacitor pin, which is reset to reset the soft-start before start-up or under overload."
      },
      {
        "number": "2",
        "name": "Fmax",
        "type": "input",
        "description": "An external resistor on this pin sets the maximum operating frequency (Fmax)."
      },
      {
        "number": "3",
        "name": "Ctimer",
        "type": "bidirectional",
        "description": "Sets the fault delay time; the timer capacitor is charged to 4 V to turn off the pulse output and recovers to 1 V to restart."
      },
      {
        "number": "4",
        "name": "Rt",
        "type": "input",
        "description": "An external resistor on this pin sets the minimum operating frequency, corresponding to VFB = 1 V; Rt reference voltage is 2.18 to 2.42 V."
      },
      {
        "number": "5",
        "name": "BO",
        "type": "input",
        "description": "Detects low input voltage and turns off the outputs when the voltage is above 4 V (BO undervoltage reference 1.1 V typ., lock voltage 4 V typ.)."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Current flowing into this pin increases the oscillator frequency up to Fmax; the FB voltage range is 1.1 V to 5.3 V, with frequency rising as FB rises."
      },
      {
        "number": "7",
        "name": "DT",
        "type": "input",
        "description": "An external resistor on this pin sets the dead time, adjustable from 100 ns to 2 µs."
      },
      {
        "number": "8",
        "name": "Skip/Disable",
        "type": "input",
        "description": "When VFB < 0.3 V, releasing this pin enters soft-start mode; when FB is above 0.3 V, soft-start is not entered and burst-mode control applies (skip comparator threshold 690 mV typ.)."
      },
      {
        "number": "9",
        "name": "Fault",
        "type": "input",
        "description": "Current-sense input: on overcurrent the fault delay timer counts and the soft-start capacitor discharges while frequency rises to limit power; above the higher threshold (Vref(OCP) 1.55 V typ.) the timer charging current is increased 8 times."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the chip."
      },
      {
        "number": "11",
        "name": "LO",
        "type": "output",
        "description": "Low-side gate drive output with 0.8 A source and 1.3 A sink peak current capability."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip operating supply input; VCC absolute maximum rating is 20 V (VCC turn-on 10.5 V typ., turn-off 9 V typ.)."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating."
      },
      {
        "number": "14",
        "name": "VS",
        "type": "power_in",
        "description": "High-side driver floating ground (VS absolute range VB-25 V to VB+0.3 V)."
      },
      {
        "number": "15",
        "name": "HO",
        "type": "output",
        "description": "High-side gate drive output with 0.8 A source and 1.3 A sink peak current capability."
      },
      {
        "number": "16",
        "name": "VB",
        "type": "power_in",
        "description": "High-side floating supply input; VB absolute maximum rating is 650 V (VB-to-VS UVLO turn-on 8.5 V typ., turn-off 8 V typ.)."
      }
    ],
    "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: Datasheet lists VS as type 'O' (output); it is the floating return of the high-side driver. Type kep; Datasheet lists CSS as type 'O'; kept as output per the datasheet I/O column.; Datasheet gives the BO threshold as 'above 4 V turns off output' in the pin table, while the electri"
        ],
        "pages_sent": 24,
        "cost_usd": 0.066,
        "at": "2026-10-19T09:08:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590927109562970113",
        "pages": 24,
        "sha256": "9e9352d021561097",
        "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": [
      {
        "file": "eg1397.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eg1397-etched.step",
        "role": "eda",
        "up": "Z",
        "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": "f00dd43266cc4aa69fa5019ec5ed4dfb0aca559719cd167555caf5b121e79d79",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}