AP1509-50SG-13

{
  "slug": "ap1509-50sg-13",
  "version": "0.2.1",
  "type": "component",
  "description": "Diodes Incorporated DC-DC Converters, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
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    "pmic",
    "ap1509-50sg-13"
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  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "ap1509-50sg-13-etched.step",
    "ap1509-50sg-13.lbr",
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    "docs/ap1509-50sg-13-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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  "component": {
    "mpn": "AP1509-50SG-13",
    "manufacturer": "Diodes Incorporated",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP1509-50SG-13.pdf",
    "parts": {
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      "lbr": "ap1509-50sg-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C9984"
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Operating voltage input. Supply pin, recommended 4.5V to 22V (absolute max +24V). Bypass with a bulk input capacitor close to the pin."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Switching output from the internal 2A power switch. Connects to the external inductor and Schottky catch diode of the buck converter. Saturation voltage ~1.25V typ at IOUT = 2A."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback control. On the fixed 5V version this pin is internally tied to sense the 5V output; on adjustable versions the internal reference is VFB = 1.23V. Absolute max -0.3 to +18V."
      },
      {
        "number": "4",
        "name": "SD",
        "type": "input",
        "description": "ON/OFF shutdown input. Logic low (VIL < 0.6V) enables the regulator; logic high (VIH >= 2.0V) forces standby mode. Absolute max -0.3 to +18V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. Pins 5-8 are all GND and should be tied together to the ground plane to improve thermal dissipation of the SOP-8L package."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. Tie together with pins 5, 7, and 8 to the ground plane."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. Tie together with pins 5, 6, and 8 to the ground plane."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. Tie together with pins 5, 6, and 7 to the ground plane."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AP1509-50SG-13.pdf",
        "pages": 12,
        "sha256": "736e1f216a8fa351",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "ap1509-50sg-13-etched.step",
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      }
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  },
  "title": "AP1509-50SG-13",
  "brief": "Diodes Incorporated DC-DC Converters, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "discovery_triggers": [
    "ap1509-50sg-13"
  ],
  "discovery_pitch": "AP1509-50SG-13 (Diodes Incorporated) component page with datasheet-verified CAD.",
  "visibility": "public"
}