AP2953AS8PRG

{
  "slug": "ap2953as8prg",
  "version": "0.1.0",
  "type": "component",
  "description": "Wuxi Chipown Micro electronics DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ap2953as8prg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ap2953as8prg.kicad_sym",
    "ap2953as8prg.kicad_mod",
    "ap2953as8prg.glb",
    "ap2953as8prg.step",
    "ap2953as8prg.lbr",
    "docs/hero.png",
    "docs/ap2953as8prg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ap2953as8prg-hero.glb",
    "ap2953as8prg-hero.overlay.json"
  ],
  "component": {
    "mpn": "AP2953AS8PRG",
    "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/8588881122034270208",
    "parts": {
      "symbol": "ap2953as8prg.kicad_sym",
      "footprint": "ap2953as8prg.kicad_mod",
      "model_3d": "ap2953as8prg-hero.glb",
      "model_3d_plain": "ap2953as8prg.glb",
      "model_3d_step": "ap2953as8prg-etched.step",
      "model_3d_step_plain": "ap2953as8prg.step",
      "lbr": "ap2953as8prg.lbr"
    },
    "distributor_links": {
      "lcsc": "C130334"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T20:24:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BS",
        "type": "power_in",
        "description": "Bootstrap input that drives the high-side N-MOSFET gate; a 0.01uF or larger capacitor is connected from SW to BS."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Power input for the IC and the buck converter switch, driven over 4.75V to 18V and bypassed to GND with a suitable large capacitor."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "power_out",
        "description": "Power switch output at the switching node, connected to the output LC filter; a capacitor is required from SW to 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 sensing the output voltage through a resistor divider, with a feedback threshold of 0.925V."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation node for the control loop, requiring an RC network to GND and sometimes an additional capacitor to GND."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Digital enable input that turns the regulator on when driven high and off when driven low; a 100kΩ pull-up to IN is needed for automatic start-up."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "input",
        "description": "Soft-start control input where a capacitor 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 AP2953AS8PRG does not appear in the datasheet ordering table. The table lists only AP2953AS8; The datasheet never names ESOP-8. The only 8-pin package it gives is SOP8-PP, with an exposed pad ti",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0517,
        "at": "2026-10-09T20:22:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881122034270208",
        "pages": 8,
        "sha256": "a374357607b1121e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ap2953as8prg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ap2953as8prg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "65b29561a0dbb336ac5f64fc8fa4610ee137ac689d4049167ca16afad7dd4f8f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}