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Ray ap1501-50k5g-13: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plai… 0dcf42d
{
  "slug": "ap1501-50k5g-13",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated DC-DC Converters, TO-263-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "pmic",
    "ap1501-50k5g-13"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ap1501-50k5g-13.kicad_sym",
    "ap1501-50k5g-13.kicad_mod",
    "ap1501-50k5g-13.glb",
    "ap1501-50k5g-13.step",
    "ap1501-50k5g-13.lbr",
    "docs/hero.png",
    "docs/ap1501-50k5g-13-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ap1501-50k5g-13-etched.step"
  ],
  "visibility": "public",
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "AP1501-50K5G-13",
    "manufacturer": "Diodes Incorporated",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "DC-DC Converters",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP1501-50K5G-13.pdf",
    "parts": {
      "symbol": "ap1501-50k5g-13.kicad_sym",
      "footprint": "ap1501-50k5g-13.kicad_mod",
      "model_3d": "ap1501-50k5g-13-etched.glb",
      "model_3d_plain": "ap1501-50k5g-13.glb",
      "model_3d_step": "ap1501-50k5g-13-etched.step",
      "model_3d_step_plain": "ap1501-50k5g-13.step",
      "lbr": "ap1501-50k5g-13.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive input supply for the IC switching regulator. Operating range up to 40V (absolute max +45V). Requires an input bypass capacitor to minimize voltage transients and supply the switching currents needed by the regulator."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Internal switching output (emitter of the on-chip 3A NPN switch). The voltage at this pin switches between (+VIN - VSAT) and approximately -0.5V with a duty cycle of approximately VOUT/VIN. Connects to the external inductor and catch diode of the buck converter; PCB copper area on this node should be kept minimal to reduce EMI coupling."
      },
      {
        "number": "3",
        "name": "Gnd",
        "type": "power_in",
        "description": "Circuit ground. The exposed metal tab of the TO263-5L package is also connected to GND and should be soldered to the PCB ground copper for thermal dissipation."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback control. Senses the regulated output voltage to complete the feedback loop. For the fixed 5.0V version this pin is tied directly to the output; internal reference VFB is 1.23V for the adjustable version. Absolute max -0.3V to +40V."
      },
      {
        "number": "5",
        "name": "SD",
        "type": "input",
        "description": "ON/OFF shutdown control input. Pulling this pin below ~1.3V (VIL max 0.6V) turns the regulator ON; pulling it above ~1.3V (VIH min 2.0V, up to 40V max) shuts the regulator down, dropping standby current to approximately 150µA. Can be tied to GND or left open if shutdown is not used."
      },
      {
        "number": "TAB",
        "name": "Metal Tab GND",
        "type": "power_in",
        "description": "Exposed metal tab on the TO263-5L package, internally connected to Gnd (pin 3). Serves as the primary thermal path and must be soldered to a copper ground pad on the PCB (recommended >=0.4 in², ideally 2+ in² of 2oz copper) for adequate heat dissipation.",
        "thermal_pad": true
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ap1501-50k5g-13.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15,
          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": "ap1501-50k5g-13-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15,
          10,
          4.42
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2e3ab3d748fa5034f94b59e18eefde6368cb3ddf3605ee4cf23c4a16c01df5ce",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}