main
Ray Set visibility: public 423f93a 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "p2576l-50-tq5-r",
  "title": "P2576L-50-TQ5-R",
  "brief": "UTC(Unisonic Tech) DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management ics",
    "p2576l-50-tq5-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "P2576L-50-TQ5-R",
    "manufacturer": "UTC(Unisonic Tech)",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3814db803ed314a3685c119c8c5f2a27.pdf",
    "parts": {
      "symbol": "p2576l-50-tq5-r.kicad_sym",
      "footprint": "p2576l-50-tq5-r.kicad_mod",
      "model_3d": "p2576l-50-tq5-r-hero.glb",
      "model_3d_plain": "p2576l-50-tq5-r-etched.glb",
      "model_3d_step": "p2576l-50-tq5-r-etched.step",
      "model_3d_step_plain": "p2576l-50-tq5-r.step",
      "lbr": "p2576l-50-tq5-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C111615"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T15:43:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage pin; the device accepts an input voltage range from 7V to 40V."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage pin, driven by the internal output switch, which is limited by cycle-by-cycle current limiting (ILIMIT 4.2 to 6.9 A)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin; the adjustable version regulates to a 1.23 V reference (VFB 1.193 V to 1.267 V), and the fixed versions use this pin for output voltage feedback."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Shutdown control pin; connecting it to ground enables normal operation, and it is TTL-compatible with VIH at least 2.2 V and VIL at most 1.0 V, where 5 V turns the device off with about 50 µA standby current."
      },
      {
        "number": "6",
        "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 the pin description table for TO-220B/TO-220-5/TO-263-5, which ; The datasheet does not state whether the TO-263-5 tab is internally connected to GND or to any pin; ; The FB pin description for the fixed-voltage versions is an inference from the feedback pin definiti",
          "exposed pad 6 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0279,
        "at": "2026-10-30T15:43:06"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3814db803ed314a3685c119c8c5f2a27.pdf",
        "pages": 8,
        "sha256": "8e50d411606da1ad",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "p2576l-50-tq5-r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15,
          10,
          4.42
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "p2576l-50-tq5-r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15,
          10,
          4.42
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4d69844b75f6076bf9a47a4a8b85c062bcca3319ecea6c6a74f7d67297036d6e",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC(Unisonic Tech)",
      "Package": "TO-263-5",
      "Category": "Power Management ICs",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8e50d411606da1adb33465a750e3ecf11c90da8dc8b6936e1e4dd000dc3a4ee0",
      "rows": [
        {
          "name": "Feedback Voltage (5.0V output)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.8,
          "typ": 5,
          "max": 5.2,
          "conditions": "8V≤VIN≤40V, 0.5A≤ILOAD≤3A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 42,
          "typ": 52,
          "max": 63,
          "conditions": "(Note 4)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Saturation Voltage",
          "symbol": "VSAT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.4,
          "max": 1.8,
          "conditions": "IOUT=3A (Note 1)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Max Duty Cycle (ON)",
          "symbol": "DC",
          "kind": "electrical",
          "unit": "%",
          "min": 93,
          "typ": 98,
          "max": null,
          "conditions": "(Note 2)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "A",
          "min": 4.2,
          "typ": 5.8,
          "max": 6.9,
          "conditions": "(Note 1, 4)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current",
          "symbol": "II(LEAK)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VIN=40V, Output=-1V (Note 3)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current",
          "symbol": "II(LEAK)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 7.5,
          "max": 30,
          "conditions": "Output=-1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "(Note 3)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Standby Quiescent Current",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 50,
          "max": 200,
          "conditions": "ON/ OFF Pin=5V (OFF)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Logic Input Level (high)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": null,
          "conditions": "VOUT=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Logic Input Level (low)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VOUT=Nominal Output Voltage",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Current (high)",
          "symbol": "IIΗ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 12,
          "max": 30,
          "conditions": "ON/ OFF Pin=5V (OFF)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Current (low)",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0,
          "max": 10,
          "conditions": "ON/ OFF Pin=5V (ON)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency Tolerance",
          "symbol": "fOSC",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "Oscillator frequency, stated in Description",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Supply Voltage",
          "symbol": "VCC(MAX)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Voltage",
          "symbol": "VON/OFF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage to Ground (Steady State)",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "Steady State",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 7,
          "typ": null,
          "max": 40,
          "conditions": "Stated in Features",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "p2576l-50-tq5-r"
  ],
  "discovery_pitch": "P2576L-50-TQ5-R (UTC(Unisonic Tech)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "p2576l-50-tq5-r.kicad_sym",
    "p2576l-50-tq5-r.kicad_mod",
    "p2576l-50-tq5-r.glb",
    "p2576l-50-tq5-r.step",
    "p2576l-50-tq5-r.lbr",
    "docs/hero.png",
    "docs/p2576l-50-tq5-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "p2576l-50-tq5-r-hero.glb",
    "p2576l-50-tq5-r-hero.overlay.json",
    "p2576l-50-tq5-r-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}