MP2303ADN-LF-Z

{
  "slug": "mp2303adn-lf-z",
  "version": "0.1.0",
  "type": "component",
  "description": "Monolithic Power Systems DC-DC Converters, SOIC-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "mp2303adn-lf-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mp2303adn-lf-z.kicad_sym",
    "mp2303adn-lf-z.kicad_mod",
    "mp2303adn-lf-z.glb",
    "mp2303adn-lf-z.step",
    "mp2303adn-lf-z.lbr",
    "docs/hero.png",
    "docs/mp2303adn-lf-z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mp2303adn-lf-z-hero.glb",
    "mp2303adn-lf-z-hero.overlay.json",
    "mp2303adn-lf-z-etched.glb"
  ],
  "component": {
    "mpn": "MP2303ADN-LF-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579708557731676160",
    "parts": {
      "symbol": "mp2303adn-lf-z.kicad_sym",
      "footprint": "mp2303adn-lf-z.kicad_mod",
      "model_3d": "mp2303adn-lf-z-hero.glb",
      "model_3d_plain": "mp2303adn-lf-z-etched.glb",
      "model_3d_step": "mp2303adn-lf-z-etched.step",
      "model_3d_step_plain": "mp2303adn-lf-z.step",
      "lbr": "mp2303adn-lf-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C18876",
      "digikey": "1589-1575-2-ND",
      "mouser": "946-MP2303ADNLFZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:34:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-1575-2-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
      },
      "mouser": {
        "pn": "946-MP2303ADNLFZ",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BS",
        "type": "power_in",
        "description": "High-side gate drive boost input that supplies the high-side N-channel MOSFET drive; connect a 0.01µF or greater capacitor from SW to BS."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Power input that supplies the IC and the step-down converter switches; drive with a 4.7V to 28V source and bypass to GND with a suitably large capacitor."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "power_out",
        "description": "Power switching output that supplies power to the output through the LC filter; a capacitor is required from SW to BS to power the high-side switch."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the exposed pad must be connected to pin 4."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that senses the output through a resistive divider, with a feedback threshold of 0.80V."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation node for the control loop, connected through a series RC network to GND, with an additional capacitor sometimes required."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input that turns the regulator on when driven high and off when driven low; it must not be left floating and should not exceed 6V."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start control input where a capacitor to GND sets the soft-start period (0.1µF gives 15ms), 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: Pin numbers and names are from the SOIC8E pin reference on page 2 and the Pin Functions table on pag; The datasheet marks this part 'NOT RECOMMENDED FOR NEW DESIGNS' and refers to MP2338. Verify availab; The 6V EN limit and the 0.01µF BS capacitor value come from the application text, not the pin table.",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0818,
        "at": "2026-10-19T06:32:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579708557731676160",
        "pages": 15,
        "sha256": "d3d096df1691b37f",
        "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": "mp2303adn-lf-z.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mp2303adn-lf-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ebc6e67f981b83169e2f116e7dc90f77f677a6b7ed899196dae8e07677af6c6",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}