DIO5508XS8

{
  "slug": "dio5508xs8",
  "version": "0.1.0",
  "type": "component",
  "description": "DIOO Battery Management, SOIC-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "dio5508xs8",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dio5508xs8.kicad_sym",
    "dio5508xs8.kicad_mod",
    "dio5508xs8.glb",
    "dio5508xs8.step",
    "dio5508xs8.lbr",
    "docs/hero.png",
    "docs/dio5508xs8-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dio5508xs8-hero.glb",
    "dio5508xs8-hero.overlay.json",
    "dio5508xs8-etched.glb"
  ],
  "component": {
    "mpn": "DIO5508XS8",
    "manufacturer": "DIOO",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921069593108480",
    "parts": {
      "symbol": "dio5508xs8.kicad_sym",
      "footprint": "dio5508xs8.kicad_mod",
      "model_3d": "dio5508xs8-hero.glb",
      "model_3d_plain": "dio5508xs8-etched.glb",
      "model_3d_step": "dio5508xs8-etched.step",
      "model_3d_step_plain": "dio5508xs8.step",
      "lbr": "dio5508xs8.lbr"
    },
    "distributor_links": {
      "lcsc": "C22370204",
      "mouser": "453-DIO5508XS8"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:29:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "453-DIO5508XS8",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TEMP",
        "type": "input",
        "description": "Temperature sense input connected to the battery NTC; charging is suspended if TEMP is below 45% or above 80% of VIN and resumes when it is between 45% and 80%, and grounding this pin disables the temperature sense function."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "bidirectional",
        "description": "Sets the constant charge current via IBAT = (1/RPROG)*1000, monitors charge current, and shuts the chip down when the pin is floating."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive input supply voltage, with a recommended input supply range of 4.5 to 5.5 V."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection pin that provides charge current to the battery and regulates the battery voltage at 4.2V."
      },
      {
        "number": "6",
        "name": "DONE",
        "type": "output",
        "description": "Open-drain charge termination status output that is pulled low by an internal switch in charge termination status and is otherwise high impedance."
      },
      {
        "number": "7",
        "name": "CHRGb",
        "type": "output",
        "description": "Open-drain charge status output that is pulled low by an internal switch while the battery is being charged and is otherwise high impedance."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input where a high level enables normal operation and a low level puts the device into disable mode, and it can be driven by TTL or CMOS logic levels."
      },
      {
        "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 datasheet specifies an EP-SOIC8 exposed thermal pad but does not assign it a pin number in the p; Pin types for PROG, BAT, DONE, CHRGb and CE are classified from the functional descriptions (KiCad E",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0629,
        "at": "2026-10-18T06:26:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921069593108480",
        "pages": 17,
        "sha256": "2a46c537247a8a09",
        "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": "dio5508xs8.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dio5508xs8-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": "d413274fcf144dd13d4a0b6eb0c5a9cd2cd3cc9daf4635923812caf18efe8946",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}