U2043G

{
  "slug": "u2043g",
  "version": "0.1.0",
  "type": "component",
  "description": "UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "u2043g",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "README.md",
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    "u2043g.lbr",
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    "docs/u2043g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "u2043g-hero.glb",
    "u2043g-hero.overlay.json",
    "u2043g-etched.glb"
  ],
  "component": {
    "mpn": "U2043G",
    "manufacturer": "UTC Unisonic Tech",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603078202310860800",
    "parts": {
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      "footprint": "u2043g.kicad_mod",
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      "lbr": "u2043g.lbr"
    },
    "distributor_links": {
      "lcsc": "C7509615"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:18:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "IC ground, the reference point for the device; in case of battery reversal, external resistor R4 to ground protects the IC against damage."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Supply voltage VSS (+10); operating range 9 to 15 V with an absolute maximum rating of 16.5 V, and the connection must keep the resistance from VSS to pin 6 lower than to pin 2."
      },
      {
        "number": "3",
        "name": "REL",
        "type": "output",
        "description": "Relay control output, a high-side driver with low saturation voltage (1.0 V max at 150 mA with VSS = 9 V) that drives a relay coil of at least 60 Ω, with output current rated at 0.3 A."
      },
      {
        "number": "4",
        "name": "OSC",
        "type": "passive",
        "description": "Oscillator C1 connection; flashing frequency is set by R1 and C1 with C1 ≤ 47 µF."
      },
      {
        "number": "5",
        "name": "OSC",
        "type": "passive",
        "description": "Oscillator R1 connection; R1 must be between 6.8 kΩ and 510 kΩ."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Supply voltage sense input; a minimized layer resistance from the shunt to pin 6 is recommended for accurate lamp current monitoring."
      },
      {
        "number": "7",
        "name": "LD",
        "type": "input",
        "description": "Lamp failure detection input to comparator K1 with a reference of about 77 mV at VSS = 12 V, monitoring lamp current through external shunt R3 (about 29 mΩ in the example)."
      },
      {
        "number": "8",
        "name": "SI",
        "type": "input",
        "description": "Start input; flashing starts when the voltage at this pin is below VSS − 5 V (flasher switch closed), and the pin must stay above the K2 threshold during bright phase and below K3 during dark phase."
      }
    ],
    "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 pin configuration diagram on page 2 is garbled in the extracted text, so the physical position o; The datasheet gives one pin configuration and one pin description table that covers both the DIP-8 a; Pin 7 is labeled LD in the pin table and 'Lamp failure detection' in the description, but the electr"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0389,
        "at": "2026-10-18T03:16:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603078202310860800",
        "pages": 4,
        "sha256": "26a177ed3d1eb0c4",
        "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",
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        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}