RT9167A-33GB

{
  "schema_version": 1,
  "type": "component",
  "slug": "rt9167a-33gb",
  "title": "RT9167A-33GB",
  "brief": "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.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "rt9167a-33gb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "RT9167A-33GB",
    "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/8586200059050938368",
    "parts": {
      "symbol": "rt9167a-33gb.kicad_sym",
      "footprint": "rt9167a-33gb.kicad_mod",
      "model_3d": "rt9167a-33gb-hero.glb",
      "model_3d_plain": "rt9167a-33gb-etched.glb",
      "model_3d_step": "rt9167a-33gb-etched.step",
      "model_3d_step_plain": "rt9167a-33gb.step",
      "lbr": "rt9167a-33gb.lbr"
    },
    "distributor_links": {
      "lcsc": "C113513"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:39:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input; the datasheet specifies an input voltage range of 2.9V to 7V (absolute maximum 8V), and the input capacitor should be a 1µF or larger low-ESR capacitor placed close to this pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection that also conducts heat away from the die, so it should be connected to a large pad or ground plane."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Active-high chip enable that turns the regulator on when driven high and shuts it down when pulled low; it must not be left floating and should be tied to VIN if the shutdown feature is unused, with EN input high level not exceeding the absolute maximum rating."
      },
      {
        "number": "4",
        "name": "BP",
        "type": "passive",
        "description": "Reference noise bypass pin where a 10nF capacitor, with very low leakage, forms an 80Hz low-pass filter with an internal 200kΩ resistor to reduce output noise."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output that is stable with a low-ESR ceramic capacitor of at least 1µF with ESR greater than 5mΩ, and should be located no more than 0.5 inch from this pin."
      }
    ],
    "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 SOT-23-5 pin numbers are not printed explicitly in the extracted text; the top-view layout text ; The datasheet calls pin 4 of SOT-23-5 the thermal case reference position, which is consistent with ; The MPN suffix 'GB' maps to package type B (SOT-23-5) and lead plating G in the ordering key. The or"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0583,
        "at": "2026-10-18T10:37:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586200059050938368",
        "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": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rt9167a-33gb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt9167a-33gb-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b82ff89637b756149a239bac7fd7d358fb20fabdd5da61407e7bc9a4d0a260f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "df5f7c644e9742e0174ac9d12d972ed385a2c3a0f3904361cc7677fc5288ee2b",
      "rows": [
        {
          "name": "Input Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.9,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 7,
          "conditions": "IL = 50mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Accuracy",
          "symbol": "ΔVOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "IL = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current (RT9167A)",
          "symbol": "IMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current Limit (RT9167A)",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 500,
          "typ": 700,
          "max": null,
          "conditions": "RLOAD = 1Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 80,
          "max": 150,
          "conditions": "No Load",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 90,
          "max": 150,
          "conditions": "IOUT = 300mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (RT9167A)",
          "symbol": "IG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 90,
          "max": 150,
          "conditions": "IOUT = 500mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1.1,
          "max": 5,
          "conditions": "IOUT = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 55,
          "max": 100,
          "conditions": "IOUT = 50mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (300mA)",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 350,
          "max": 450,
          "conditions": "VOUT(Normal) = 3.0V Version; IOUT = 300mA; VOUT(Normal) − 100mV",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (RT9167A, 500mA)",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 600,
          "max": 750,
          "conditions": "VOUT(Normal) = 3.0V Version; IOUT = 500mA; VOUT(Normal) − 100mV",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "VIN = (VOUT+0.15) to 7V, IOUT = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "IOUT = 0mA to 300mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (RT9167A)",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "IOUT = 0mA to 500mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input High Threshold",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": null,
          "conditions": "VIN = 3V to 5.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Input Low Threshold",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VIN = 3V to 5.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Bias Current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "IGSD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VOUT = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 155,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Noise",
          "symbol": "eNO",
          "kind": "electrical",
          "unit": "nV/Hz",
          "min": null,
          "typ": 350,
          "max": null,
          "conditions": "CBP = 10nF, COUT = 10μF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 58,
          "max": null,
          "conditions": "F = 100Hz, CBP = 10nF, COUT = 10μF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation, SOT-23-5",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, SOT-23-5 junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "Note 1: JEDEC 51-3 natural convection, TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, SOT-23-5 junction to case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec.",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rt9167a-33gb"
  ],
  "discovery_pitch": "RT9167A-33GB (Richtek Tech) 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",
    "rt9167a-33gb.kicad_sym",
    "rt9167a-33gb.kicad_mod",
    "rt9167a-33gb.glb",
    "rt9167a-33gb.step",
    "rt9167a-33gb.lbr",
    "docs/hero.png",
    "docs/rt9167a-33gb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt9167a-33gb-hero.glb",
    "rt9167a-33gb-hero.overlay.json",
    "rt9167a-33gb-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}