LSP5523-R8A

{
  "schema_version": 1,
  "type": "component",
  "slug": "lsp5523-r8a",
  "title": "LSP5523-R8A",
  "brief": "Diodes Incorporated DC-DC Converters, SOP-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "lsp5523-r8a"
  ],
  "component": {
    "mpn": "LSP5523-R8A",
    "manufacturer": "Diodes Incorporated",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2308101626_Diodes-Incorporated-LSP5523-R8A_C6653519.pdf",
    "parts": {
      "symbol": "lsp5523-r8a.kicad_sym",
      "footprint": "lsp5523-r8a.kicad_mod",
      "model_3d": "lsp5523-r8a-etched.glb",
      "model_3d_plain": "lsp5523-r8a.glb",
      "model_3d_step": "lsp5523-r8a-etched.step",
      "model_3d_step_plain": "lsp5523-r8a.step",
      "lbr": "lsp5523-r8a.lbr"
    },
    "distributor_links": {
      "lcsc": "C6653519"
    },
    "pins": [
      {
        "number": "1",
        "name": "BS",
        "type": "passive",
        "description": "Bootstrap. Positive rail for the high-side switch's gate driver. Connect a 0.01µF capacitor between BS and SW."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply, 4.5V to 27V (abs max 30V). Bypass to GND with a low-ESR capacitor placed close to the pin."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "power_out",
        "description": "Switch output. Connect to the switching end of the inductor. Abs max -0.3V to Vin+0.3V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. Also tie to the exposed pad on the backside."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input. Regulated to 0.925V (typ). Connect to a resistor divider between Vout and GND to set the output voltage. Abs max -0.3V to 5V."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Error amplifier compensation node. Connect an RC network to GND for loop stability (see Stability Compensation in the Application Information). Abs max -0.3V to 5V."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input. IC turns on when EN > ~2.7V and turns off when EN < ~1.1V; output is discharged when off. Do not float - recommend a 200kΩ pull-up to VIN. Abs max -0.3V to 8V."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start control input. A capacitor from SS to GND sets the soft-start period (0.1µF ≈ 13ms). Leave unconnected to disable soft-start. Charge current ~6µA."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "power_in",
        "description": "Exposed thermal pad on the backside. Must be connected to the GND pin/plane for thermal dissipation."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2308101626_Diodes-Incorporated-LSP5523-R8A_C6653519.pdf",
        "pages": 17,
        "sha256": "e680424967a0ff3b",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.4975,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "Diodes_SO-8EP@sha256:e4747640ff122bb4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lsp5523-r8a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.5,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "be241b6207302f40c4b7d76f18c3aa00cfdcc9936c5f943565a9113eef245f83",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lsp5523-r8a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.5,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a23b5138c6fb9fc671688c35a65a5917a778bbd1ac0743c3164d2cb3041153fd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOP-8-EP",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lsp5523-r8a"
  ],
  "discovery_pitch": "LSP5523-R8A (Diodes Incorporated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lsp5523-r8a.kicad_sym",
    "lsp5523-r8a.kicad_mod",
    "lsp5523-r8a.glb",
    "lsp5523-r8a.step",
    "lsp5523-r8a-etched.step",
    "lsp5523-r8a.lbr",
    "docs/hero.png",
    "docs/lsp5523-r8a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "LSP5523-R8A",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:11:47.335Z"
}