FP5139BWR-LF

{
  "slug": "fp5139bwr-lf",
  "version": "0.1.0",
  "type": "component",
  "description": "Advanced Analog Technology DC-DC Converters, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "fp5139bwr-lf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fp5139bwr-lf.kicad_sym",
    "fp5139bwr-lf.kicad_mod",
    "fp5139bwr-lf.glb",
    "fp5139bwr-lf.step",
    "fp5139bwr-lf.lbr",
    "docs/hero.png",
    "docs/fp5139bwr-lf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fp5139bwr-lf-hero.glb",
    "fp5139bwr-lf-hero.overlay.json"
  ],
  "component": {
    "mpn": "FP5139BWR-LF",
    "manufacturer": "Advanced Analog Technology",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881528244088832",
    "parts": {
      "symbol": "fp5139bwr-lf.kicad_sym",
      "footprint": "fp5139bwr-lf.kicad_mod",
      "model_3d": "fp5139bwr-lf-hero.glb",
      "model_3d_plain": "fp5139bwr-lf.glb",
      "model_3d_step": "fp5139bwr-lf-etched.step",
      "model_3d_step_plain": "fp5139bwr-lf.step",
      "lbr": "fp5139bwr-lf.lbr"
    },
    "distributor_links": {
      "lcsc": "C88318"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T14:26:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Error amplifier inverting input, compared against the 0.5 V internal reference to regulate the DC-DC output voltage."
      },
      {
        "number": "2",
        "name": "SCP",
        "type": "input",
        "description": "Soft-start and short-circuit protection timing pin; a capacitor here sets the soft-start time (Tss ms = 0.35 × C µF) and the short-circuit protection time (Tscp ms = 0.8 × C µF)."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "IC power supply, rated 1.8 V to 15 V, with 15 V as the absolute maximum power supply voltage."
      },
      {
        "number": "4",
        "name": "BR / CTL",
        "type": "input",
        "description": "Sets the output drive current through an external resistor RB (390 Ω in the test conditions) and controls the output: low or open disables the output (standby), high enables operation."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "Totem-pole output for driving an external NPN transistor or N-MOS, with absolute maximum output source current of -50 mA and sink current of 50 mA."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "IC ground reference."
      },
      {
        "number": "7",
        "name": "OSC",
        "type": "input",
        "description": "Oscillator pin; connect a resistor and capacitor from this pin to ground to set the switching frequency from 20 kHz to 1 MHz, with a sawtooth swing of about 0.1 V to 0.6 V."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier compensation output, whose positive swing is about 0.87 V typical and negative swing about 0.2 V maximum."
      }
    ],
    "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 7 is labelled 'Oscillator Output' in the pin description table but typed 'I' (input) there; the ; Some application figures label this pin 'CTL' instead of 'BR / CTL'; the pin table name 'BR / CTL' i; The datasheet gives the pin table for TSSOP-8L, and the ordering table lists FP5139BWR-LF in TSSOP-8"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0559,
        "at": "2026-10-09T14:24:03"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881528244088832",
        "pages": 15,
        "sha256": "552252733a101e9a",
        "source_tier": "lcsc"
      },
      "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"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cf28a51742b2e31065e201d1b313207140cbfb49062efd938788f7a310d02738",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fp5139bwr-lf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0ca1371ec496d8d118744ed3c36469104a8bbb220aa32d132e81ed639ea3e380",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}