AP3128AE3036ES6

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  "slug": "ap3128ae3036es6",
  "title": "AP3128AE3036ES6",
  "brief": "Wuxi Chipown Micro electronics LED Drivers, SOT-23-6L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.1",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "AP3128AE3036ES6",
    "manufacturer": "Wuxi Chipown Micro electronics",
    "package": "SOT-23-6L",
    "pin_count": 6,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c4cae989de5d42f2ab9c765c3bc89d13.pdf",
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      "lbr": "ap3128ae3036es6.lbr"
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    "distributor_links": {
      "lcsc": "C130344"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switch pin. Drain of the internal N-MOSFET; connect to the boost inductor and Schottky diode anode. Absolute maximum rating -0.3V to 40V; 1.2A typical current limit; 0.7Ω typical RDS(ON)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin. Must connect to a large PCB ground area to ensure maximum power dissipation."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback voltage pin. Regulates to a 300mV (typ, 285-315mV) reference; LED current set by RSET from FB to GND (ILED = VREF / RSET)."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Chip enable pin (active high). VIH ≥ 1.4V enables the IC; VIL ≤ 0.5V shuts it down (ISHDN ≈ 1uA). Also accepts a PWM signal (100Hz-200kHz) for LED dimming - VFB effectively = Duty × 300mV."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage sense pin. Connects to the boost converter output for OVP monitoring (VOVP ≈ 36V typ, 34-38V). Absolute max -0.3V to 40V."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin. Operating range 2.5V to 5.5V (absolute max 6V). UVLO threshold ≈ 2.2V (2.0-2.45V) with 0.1V hysteresis. Bypass with a 2.2uF ceramic capacitor close to the pin."
      }
    ],
    "provenance": {
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        "pages": 10,
        "sha256": "3b7df0e4cdd8bd25",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "pin1": {
      "pad": "1",
      "at": [
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        -0.95
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      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
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        "checked": "2026-11-13",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Wuxi Chipown Micro electronics",
      "Package": "SOT-23-6L",
      "Category": "LED-drv",
      "Pins": "6"
    }
  },
  "sections": [
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    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
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  "discovery_pitch": "AP3128AE3036ES6 (Wuxi Chipown Micro electronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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  "visibility": "public",
  "updated_at": "2026-09-24T16:38:29.070Z",
  "description": "Wuxi Chipown Micro electronics LED Drivers, SOT-23-6L. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}