L5970AD

{
  "slug": "l5970ad",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics DC-DC Converters, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "l5970ad",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "l5970ad.kicad_sym",
    "l5970ad.kicad_mod",
    "l5970ad.glb",
    "l5970ad.step",
    "l5970ad.lbr",
    "docs/hero.png",
    "docs/l5970ad-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l5970ad-hero.glb",
    "l5970ad-hero.overlay.json"
  ],
  "component": {
    "mpn": "L5970AD",
    "manufacturer": "STMicroelectronics",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.st.com/resource/en/datasheet/l5970ad.pdf",
    "parts": {
      "symbol": "l5970ad.kicad_sym",
      "footprint": "l5970ad.kicad_mod",
      "model_3d": "l5970ad-hero.glb",
      "model_3d_plain": "l5970ad.glb",
      "model_3d_step": "l5970ad-etched.step",
      "model_3d_step_plain": "l5970ad.step",
      "lbr": "l5970ad.lbr"
    },
    "distributor_links": {
      "lcsc": "C395635",
      "digikey": "497-14764-5-ND",
      "mouser": "511-L5970AD"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T14:51:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-14764-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-L5970AD",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Regulator output with voltage adjustable from 1.235V to 35V and maximum current limit of 1.8A."
      },
      {
        "number": "2",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Master/Slave synchronization pin with logic levels 0.74V (low) to 2.5V (high) for frequency synchronization at 500kHz and above."
      },
      {
        "number": "3",
        "name": "INH",
        "type": "input",
        "description": "Active-high inhibit input disabling device above 2.2V and enabling below 0.8V, with internal pull-up when floating."
      },
      {
        "number": "4",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output for external frequency compensation with output voltage range 0.4V to 3.65V."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input connected to external voltage divider (typically 4.7kΩ to ground) with reference voltage threshold of 1.235V."
      },
      {
        "number": "6",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference voltage output of 3.3V (3.234V to 3.366V) with maximum short-circuit current of 30mA."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground power return connection."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Unregulated DC input voltage operating from 4.4V to 36V with maximum rating of 40V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 11,
        "cost_usd": 0.0752,
        "at": "2026-10-07T14:51:36"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/l5970ad.pdf",
        "pages": 11,
        "sha256": "cf023a59e3ab8e46",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "l5970ad.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l5970ad-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ec3c9135408423c9c1c0e3f63a8d37bbe2363cd5d3b7c1e2a39e7c11ac8ed601",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}