A7986A

{
  "slug": "a7986a",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics DC-DC Converters, HSOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "a7986a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "a7986a.kicad_sym",
    "a7986a.kicad_mod",
    "a7986a.glb",
    "a7986a.step",
    "a7986a.lbr",
    "docs/hero.png",
    "docs/a7986a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "a7986a-hero.glb",
    "a7986a-hero.overlay.json"
  ],
  "component": {
    "mpn": "A7986A",
    "manufacturer": "STMicroelectronics",
    "package": "HSOP-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.st.com/resource/en/datasheet/a7986a.pdf",
    "parts": {
      "symbol": "a7986a.kicad_sym",
      "footprint": "a7986a.kicad_mod",
      "model_3d": "a7986a-hero.glb",
      "model_3d_plain": "a7986a.glb",
      "model_3d_step": "a7986a-etched.step",
      "model_3d_step_plain": "a7986a.step",
      "lbr": "a7986a.lbr"
    },
    "distributor_links": {
      "lcsc": "C1355504",
      "digikey": "497-19581-ND",
      "mouser": "511-A7986A"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T01:19:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-19581-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "511-A7986A",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulator output; the DC voltage at this pin is specified from -0.3 V to VCC (absolute maximum ratings)."
      },
      {
        "number": "2",
        "name": "SYNCH",
        "type": "input",
        "description": "Master/slave synchronization pin: left floating it gives a half-period phase-shifted signal, and an external signal above the internal frequency synchronizes the device with zero phase shift; absolute analog pin range is -0.3 V to 4 V."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Active-high enable: the device is ON with EN above 1.2 V and OFF with EN below 0.3 V; the EN pin absolute range is -0.3 V to VCC."
      },
      {
        "number": "4",
        "name": "COMP",
        "type": "passive",
        "description": "Error amplifier output used for loop frequency compensation; absolute analog pin range is -0.3 V to 4 V."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input: connecting VOUT directly regulates the output at 0.6 V, otherwise an external resistor divider from VOUT is required; the feedback voltage absolute range is -0.3 V to 1.5 V."
      },
      {
        "number": "6",
        "name": "FSW",
        "type": "input",
        "description": "Switching frequency set pin: an external resistor to ground increases the frequency, and leaving it floating gives the free-running 250 kHz; absolute analog pin range is -0.3 V to 4 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Unregulated DC input voltage; the operating input range is 4.5 V to 38 V and the absolute maximum is 45 V."
      },
      {
        "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 taken from Table 1 (Pin description) on page 4. The pin connection drawing; The HSOP8 exposed pad is mentioned in the description and package outline but is not listed as a num",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0446,
        "at": "2026-10-08T01:19:09"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/a7986a.pdf",
        "pages": 42,
        "sha256": "a76d19b8a435a683",
        "source_tier": "mfr"
      },
      "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": "a7986a.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "a7986a-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": "109a1d9d1195c45ffff06513ed6059131788c37c6b32890ae10689dae322b7ab",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}