main
Ray Set visibility: public 9645ea6 21d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ap2952as8prg",
  "title": "AP2952AS8PRG",
  "brief": "Wuxi Chipown Micro electronics DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "ap2952as8prg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AP2952AS8PRG",
    "manufacturer": "Wuxi Chipown Micro electronics",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881122025746433",
    "parts": {
      "symbol": "ap2952as8prg.kicad_sym",
      "footprint": "ap2952as8prg.kicad_mod",
      "model_3d": "ap2952as8prg-hero.glb",
      "model_3d_plain": "ap2952as8prg-etched.glb",
      "model_3d_step": "ap2952as8prg-etched.step",
      "model_3d_step_plain": "ap2952as8prg.step",
      "lbr": "ap2952as8prg.lbr"
    },
    "distributor_links": {
      "lcsc": "C130333"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T04:18:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
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        "name": "BS",
        "type": "passive",
        "description": "Bootstrap input that drives the high-side N-channel MOSFET switch; a 0.01uF or larger capacitor must be connected from SW to BS."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Power input for the IC and the buck converter switch, driven in the 4.75V to 18V range and bypassed to GND with a suitably large capacitor to remove input noise."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Power switch output that provides the switching node; the output LC filter connects from SW to the load, and a capacitor is required between SW and BS."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground; the exposed pad is connected to pin 4."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that senses the output voltage through a resistor divider and regulates it to a feedback threshold of 0.925V."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation node for the control loop, using an RC network from COMP to GND and sometimes an additional COMP-to-GND capacitor."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Digital enable input where driving it high turns the regulator on and driving it low turns it off; automatic start-up requires a 100 kΩ pull-up resistor."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start control input where a capacitor from SS to GND sets the soft-start time (0.1μF gives 15 ms), and leaving it unconnected disables soft-start."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 MPN AP2952AS8PRG is not in the datasheet ordering table. The listed orderable parts are AP2952AS; The requested package is ESOP-8, but the datasheet only names SOP8-PP (with exposed pad). The pinout; The exposed thermal pad is not a numbered pin in the datasheet. It is tied to GND (pin 4) per the pi",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0498,
        "at": "2026-10-14T04:18:12"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881122025746433",
        "pages": 8,
        "sha256": "15966dc6ef16c619",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
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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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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ap2952as8prg-etched.step",
        "role": "eda",
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        "sha256": "2329584455a7c9a6c6a2a60db34d1cc17ac49fd8abfc2273ccbd9972e55c5acf",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Wuxi Chipown Micro electronics",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
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    "characteristics": {
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          "conditions": "VEN ≤ 0.3V",
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          "name": "Supply current",
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          "name": "Feedback voltage",
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          "min": 900,
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          "name": "High-side switch current limit",
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          "name": "Undervoltage lockout threshold",
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        {
          "name": "Input voltage (absolute maximum)",
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        {
          "name": "Switch voltage (absolute maximum)",
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          "conditions": "Maximum printed as VIN + 0.3V",
          "source_page": 3,
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        },
        {
          "name": "Bootstrap voltage (absolute maximum)",
          "symbol": "VBS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "Referenced to VSW (printed as VSW-0.3V to VSW+6V)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN/UVLO voltage (absolute maximum)",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "COMP voltage (absolute maximum)",
          "symbol": "VCOMP",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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          "name": "Feedback voltage (absolute maximum)",
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          "kind": "absolute_maximum",
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          "min": -0.3,
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        {
          "name": "Junction temperature (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
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          "source_page": 3,
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        {
          "name": "Lead temperature (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
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          "max": 260,
          "conditions": "Soldering, 10s",
          "source_page": 3,
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        {
          "name": "Storage temperature (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
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          "conditions": "",
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        {
          "name": "Output voltage (recommended)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.925,
          "typ": null,
          "max": 15,
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        {
          "name": "Operating temperature (recommended)",
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          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
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        {
          "name": "EN turn-off threshold hysteresis",
          "symbol": "",
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          "min": null,
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          "name": "EN lockout hysteresis",
          "symbol": "",
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          "min": null,
          "typ": 210,
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          "source_page": 3,
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          "name": "UVLO hysteresis",
          "symbol": "",
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          "min": null,
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          "source_page": 3,
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        {
          "name": "Feedback overvoltage threshold",
          "symbol": "",
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          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": null,
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          "source_page": 3,
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        },
        {
          "name": "Error amplifier voltage gain",
          "symbol": "",
          "kind": "electrical",
          "unit": "V/V",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Error amplifier transconductance",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA/V",
          "min": null,
          "typ": 800,
          "max": null,
          "conditions": "ΔIC = ±10μA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-side switch on-resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-side switch on-resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-side switch leakage current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VEN = 0V, VSW = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-side switch current limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "COMP current-sense transconductance",
          "symbol": "",
          "kind": "electrical",
          "unit": "А/V",
          "min": null,
          "typ": 3.5,
          "max": null,
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          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 450,
          "max": null,
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          "source_page": 3,
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        },
        {
          "name": "Short-circuit frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VFB = 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "VFB = 1.0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum on-time",
          "symbol": "",
          "kind": "electrical",
          "unit": "nS",
          "min": null,
          "typ": 220,
          "max": null,
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          "source_page": 3,
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        },
        {
          "name": "Soft-start current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "VSS = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Soft-start time",
          "symbol": "",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "CSS = 0.1μF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "1 in² with 1 oz copper (note 2)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case thermal resistance",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 10,
          "max": null,
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          "source_page": 3,
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      ]
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  },
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  "discovery_triggers": [
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  "discovery_pitch": "AP2952AS8PRG (Wuxi Chipown Micro electronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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