RT4812GJ8F

{
  "slug": "rt4812gj8f",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech DC-DC Converters, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "rt4812gj8f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "rt4812gj8f.kicad_sym",
    "rt4812gj8f.kicad_mod",
    "rt4812gj8f.glb",
    "rt4812gj8f.step",
    "rt4812gj8f.lbr",
    "docs/hero.png",
    "docs/rt4812gj8f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "rt4812gj8f-hero.overlay.json"
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  "component": {
    "mpn": "RT4812GJ8F",
    "manufacturer": "Richtek Tech",
    "package": "TSOT-23-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589785272977293312",
    "parts": {
      "symbol": "rt4812gj8f.kicad_sym",
      "footprint": "rt4812gj8f.kicad_mod",
      "model_3d": "rt4812gj8f-hero.glb",
      "model_3d_plain": "rt4812gj8f.glb",
      "model_3d_step": "rt4812gj8f-etched.step",
      "model_3d_step_plain": "rt4812gj8f.step",
      "lbr": "rt4812gj8f.lbr"
    },
    "distributor_links": {
      "lcsc": "C250395",
      "digikey": "1028-1512-2-ND",
      "mouser": "835-RT4812GJ8F"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T19:18:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1028-1512-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "835-RT4812GJ8F",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input with a recommended operating range of 1.8V to 5.5V; the input capacitor CIN must be placed as close to the IC as possible."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback input; the regulated FB voltage is typically 0.5V (0.495V to 0.505V), with the resistive divider connected between VOUT, FB and GND."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Boost converter output with a 1.8V to 5.5V output voltage range and a 6.2V absolute maximum to GND."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the boost power stage; the datasheet gives no further limits for this pin."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground; the datasheet gives no further limits for this pin."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Switching node of the boost converter, rated -0.2V to 6V to GND in the absolute maximum ratings."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input (1 = enabled, 0 = disabled) that must not be left floating, with VIL maximum 0.4V and VIH minimum 1.2V."
      },
      {
        "number": "8",
        "name": "ILIM",
        "type": "input",
        "description": "Average output current limit control pin (H/L): low selects a minimum 1A limit and high selects a minimum 2.1A limit."
      }
    ],
    "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 TOP VIEW pin configuration drawing on page 2 is garbled in the extracted text, so pin positions ; The datasheet does not state pin-level limits for PGND or GND, so their descriptions contain only th"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0624,
        "at": "2026-10-09T19:16:41"
      },
      "datasheet": {
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        "pages": 15,
        "sha256": "2ebb84194f552969",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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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": "dc644a91883054d8f75e38542e63c2050dc8f2e8b7f12e1c57dcd93245fbd473",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt4812gj8f-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "sha256": "f084857b2231d15dd5e7559a4d0750f8c915986c44ee061a98db910101ccf12a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}