AP1501-5.0

{
  "schema_version": 1,
  "type": "component",
  "slug": "ap1501-5-0",
  "title": "AP1501-5.0",
  "brief": "UMW DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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    "ap1501-5.0"
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  "component": {
    "mpn": "AP1501-5.0",
    "manufacturer": "UMW",
    "package": "TO-263-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311091739_UMW-Youtai-Semiconductor-Co---Ltd--AP1501-5-0_C2841487.pdf",
    "parts": {
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      "footprint": "ap1501-5-0.kicad_mod",
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    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive input supply for the IC switching regulator, 4.5V to 40V operating (45V absolute max). A suitable input bypass capacitor must be present at this pin to minimize voltage transients and to supply switching currents."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Internal switch node. Voltage at this pin switches between (+VIN - VSAT) and approximately -0.5V, with a duty cycle of approximately VOUT/VIN. Connects to the external catch diode and inductor. PCB copper area on this node should be kept to a minimum to reduce coupling to sensitive circuitry."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground reference for the regulator."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Output voltage feedback input. Senses the regulated output voltage to complete the feedback loop. For fixed-output versions (like AP1501-5.0) it connects directly to VOUT. Absolute max -0.3V to +40V; typical bias current 10nA."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Logic-level shutdown input, active-high (regulator OFF when pulled above ~1.3V, up to 25V max applied; ON when pulled below threshold or left floating). Pulling low drops input supply current to ~80µA standby. Absolute max -0.3V to +40V. If unused, may be tied to GND or left open - regulator remains ON."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311091739_UMW-Youtai-Semiconductor-Co---Ltd--AP1501-5-0_C2841487.pdf",
        "pages": 28,
        "sha256": "d716270a9a304615",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
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        "refuses_to_fabricate": true
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      "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": [
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          10,
          4.42
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ap1501-5-0-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "c9e0f98134eb0c65d44d51c4b16f2040996b6326f4a2a879a5c15afb5650f9c3",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "TO-263-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
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  "discovery_pitch": "AP1501-5.0 (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
    "page.json",
    "README.md",
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    "ap1501-5-0.step",
    "ap1501-5-0-etched.step",
    "ap1501-5-0.lbr",
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    "docs/ap1501-5-0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
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  "variants": [
    {
      "mpn": "AP1501-5.0",
      "kind": "packaging"
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  ],
  "updated_at": "2026-09-24T16:26:39.946Z"
}