RT9167A-18GB

{
  "slug": "rt9167a-18gb",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "rt9167a-18gb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "README.md",
    "rt9167a-18gb.kicad_sym",
    "rt9167a-18gb.kicad_mod",
    "rt9167a-18gb.glb",
    "rt9167a-18gb.step",
    "rt9167a-18gb.lbr",
    "docs/hero.png",
    "docs/rt9167a-18gb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt9167a-18gb-hero.glb",
    "rt9167a-18gb-hero.overlay.json"
  ],
  "component": {
    "mpn": "RT9167A-18GB",
    "manufacturer": "Richtek Tech",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910936853778432",
    "parts": {
      "symbol": "rt9167a-18gb.kicad_sym",
      "footprint": "rt9167a-18gb.kicad_mod",
      "model_3d": "rt9167a-18gb-hero.glb",
      "model_3d_plain": "rt9167a-18gb.glb",
      "model_3d_step": "rt9167a-18gb-etched.step",
      "model_3d_step_plain": "rt9167a-18gb.step",
      "lbr": "rt9167a-18gb.lbr"
    },
    "distributor_links": {
      "lcsc": "C250537",
      "digikey": "RT9167A-18GB-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T15:13:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "RT9167A-18GB-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input; the datasheet gives an input voltage range of 2.9V to 7V (2.7V to 7V at IL = 50mA) and an absolute maximum input of 8V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; connect to a large pad or ground plane, since the GND pin also carries heat away from the device."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Chip enable, active high: VIH minimum is 1.6V and VIL maximum is 0.4V (VIN = 3V to 5.5V), and the pin must not be left floating, so tie it to VIN if shutdown is not used."
      },
      {
        "number": "4",
        "name": "BP",
        "type": "passive",
        "description": "Reference noise bypass; a 10nF capacitor with the internal 200kΩ resistor forms an 80Hz low-pass filter, and the capacitor must have very low leakage."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output, selectable from 1.5V to 5V in 100mV steps with 2% accuracy; stable with at least 1µF ceramic output capacitor and ESR greater than 5mΩ."
      }
    ],
    "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 ordering information is garbled in the extracted text. The suffix 'GB' for RT9167A-18GB was mapp; The datasheet has no explicit pin-number table for SOT-23-5. Pin numbers 1 to 5 were taken from the ; The datasheet's thermal notes call pin 4 the case position for SOT-23-5 thermal measurement, which i"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0658,
        "at": "2026-10-09T15:11:39"
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        "pages": 13,
        "sha256": "df5f7c644e9742e0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "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,
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        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt9167a-18gb-etched.step",
        "role": "eda",
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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": "458afc307fbaae9437efac726b09969b2d818619901f1ac977dae35c9176d525",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}