L6986F

{
  "slug": "l6986f",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "l6986f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "l6986f.kicad_sym",
    "l6986f.kicad_mod",
    "l6986f.glb",
    "l6986f.step",
    "l6986f.lbr",
    "docs/hero.png",
    "docs/l6986f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l6986f-hero.glb",
    "l6986f-hero.overlay.json"
  ],
  "component": {
    "mpn": "L6986F",
    "manufacturer": "STMicroelectronics",
    "package": "HTSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588950764920180736",
    "parts": {
      "symbol": "l6986f.kicad_sym",
      "footprint": "l6986f.kicad_mod",
      "model_3d": "l6986f-hero.glb",
      "model_3d_plain": "l6986f.glb",
      "model_3d_step": "l6986f-etched.step",
      "model_3d_step_plain": "l6986f.step",
      "lbr": "l6986f.lbr"
    },
    "distributor_links": {
      "lcsc": "C1355602",
      "digikey": "497-19131-ND",
      "mouser": "511-L6986F"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T23:24:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-19131-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-L6986F",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RST",
        "type": "output",
        "description": "RST open-collector output is driven low when the output voltage is out of regulation and is released after an adjustable DELAY time once the output is above the active delay threshold."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_out",
        "description": "Ceramic capacitor (≥ 470 nF) must be connected to filter the internal voltage reference, and this LDO pin supplies the embedded analog circuitry (VCC LDO output 2.9 V to 3.6 V, 3.3 V typ.)."
      },
      {
        "number": "3",
        "name": "SS/INH",
        "type": "bidirectional",
        "description": "An open-collector stage can disable the device when this pin is clamped to GND (INH mode), and an internal current generator (4 µA typ.) charges the external capacitor to implement soft-start."
      },
      {
        "number": "4",
        "name": "SYNCH/ISKP",
        "type": "input",
        "description": "This pin provides master/slave synchronization in low noise mode (LNM) and selects the skip current level in low consumption mode (LCM)."
      },
      {
        "number": "5",
        "name": "FSW",
        "type": "input",
        "description": "A pull-up resistor (E24 series) to VCC or pull-down to GND selects the switching frequency, and pinstrapping is active only before the soft-start phase."
      },
      {
        "number": "6",
        "name": "MLF",
        "type": "input",
        "description": "A pull-up resistor (E24 series) to VCC or pull-down to GND selects low noise mode or low consumption mode and the active RST threshold, and pinstrapping is active only before the soft-start phase."
      },
      {
        "number": "7",
        "name": "COMP",
        "type": "passive",
        "description": "Output of the error amplifier, to which the compensation network is connected (absolute max -0.3 V to VCC + 0.3 V)."
      },
      {
        "number": "8",
        "name": "DELAY",
        "type": "passive",
        "description": "An external capacitor on this pin sets the time DELAY before the RST output is released after the output exceeds the reset threshold; if left floating, RST behaves like a Power Good signal."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the error amplifier, with a voltage feedback reference of 0.841 V to 0.859 V (0.85 V typ.)."
      },
      {
        "number": "10",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground, which must be connected to the exposed pad."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, which must be connected to the exposed pad."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, which must be connected to the exposed pad."
      },
      {
        "number": "13",
        "name": "LX",
        "type": "output",
        "description": "Switching node; absolute maximum range is -0.3 V to VIN + 0.3 V and high-side/low-side switch current is limited to 2 A."
      },
      {
        "number": "14",
        "name": "LX",
        "type": "output",
        "description": "Switching node; absolute maximum range is -0.3 V to VIN + 0.3 V and high-side/low-side switch current is limited to 2 A."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "DC input voltage, operating range 4 V to 38 V (absolute maximum 40 V)."
      },
      {
        "number": "16",
        "name": "VBIAS",
        "type": "power_in",
        "description": "Typically connected to the regulated output voltage; an external voltage reference can supply part of the analog circuitry to improve light-load efficiency, and it must be connected to GND if not used."
      },
      {
        "number": "17",
        "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 exposed pad (E.P.) is not a numbered pin and is not listed in the pin table; the datasheet only ; Table 1 prints the SS/INH soft-start current as '4 A typ.', which is almost certainly a lost micro s; Pin 12 and 13/14 (PGND, LX) and pin 16 (VBIAS) descriptions span the page 5/6 break in Table 1; pin ",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0561,
        "at": "2026-10-07T23:23:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588950764920180736",
        "pages": 64,
        "sha256": "2773d92112882ade",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "l6986f.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l6986f-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0a77b87aef2239479852cfb2a68b38033d1564f1909330344b78a4cf47a67ebc",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}