AP3428KTTR-G1

{
  "slug": "ap3428kttr-g1",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated DC-DC Converters, TSOT-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "ap3428kttr-g1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ap3428kttr-g1.kicad_sym",
    "ap3428kttr-g1.kicad_mod",
    "ap3428kttr-g1.glb",
    "ap3428kttr-g1.step",
    "ap3428kttr-g1.lbr",
    "docs/hero.png",
    "docs/ap3428kttr-g1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ap3428kttr-g1-hero.glb",
    "ap3428kttr-g1-hero.overlay.json",
    "ap3428kttr-g1-etched.glb"
  ],
  "component": {
    "mpn": "AP3428KTTR-G1",
    "manufacturer": "Diodes Incorporated",
    "package": "TSOT-25",
    "pin_count": 5,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP3428KTTR-G1.pdf",
    "parts": {
      "symbol": "ap3428kttr-g1.kicad_sym",
      "footprint": "ap3428kttr-g1.kicad_mod",
      "model_3d": "ap3428kttr-g1-hero.glb",
      "model_3d_plain": "ap3428kttr-g1-etched.glb",
      "model_3d_step": "ap3428kttr-g1-etched.step",
      "model_3d_step_plain": "ap3428kttr-g1.step",
      "lbr": "ap3428kttr-g1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2070816"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T18:05:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable control input: forcing the pin voltage above 1.5V enables the chip, and below 0.4V shuts down the device."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "3",
        "name": "LX",
        "type": "output",
        "description": "Drains of the internal main and synchronous power MOSFETs; the LX pin voltage is rated -0.3 to VIN+0.3 V (-3 V to 7 V for under 40 ns)."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Bias supply and chip main power supply pin, with a recommended supply voltage of 2.5 V to 5.5 V."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback voltage input to the internal error amplifier, with a threshold voltage of 0.6 V."
      }
    ],
    "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 datasheet pin table lists two pin-number columns for TSOT25 parts: one for AP3428 and one for AP; The datasheet does not assign KiCad ERC electrical types to pins. The types above (LX as output, EN ; The ordering table lists AP3428KTTR-G1 with status NRND (Not Recommended for New Design), which is w"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0521,
        "at": "2026-10-21T18:01:11"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AP3428KTTR-G1.pdf",
        "pages": 14,
        "sha256": "f45194b4df69c4b8",
        "source_tier": "mfr"
      },
      "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"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5120f0cee43ef7743cc08408d2c12f234fcac7355386e330a3a16f336e23da8d",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ap3428kttr-g1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b77d5e25d1cde0245ce113e646c56631fbe75c7b24489897892ce470212110cf",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}