main
Ray Set visibility: public 798f0e8 17d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2576r-15",
  "title": "LM2576R-15",
  "brief": "HTC Korea TAEJIN 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 (pmic)",
    "lm2576r-15",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2576R-15",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913916004995072",
    "parts": {
      "symbol": "lm2576r-15.kicad_sym",
      "footprint": "lm2576r-15.kicad_mod",
      "model_3d": "lm2576r-15-hero.glb",
      "model_3d_plain": "lm2576r-15-etched.glb",
      "model_3d_step": "lm2576r-15-etched.step",
      "model_3d_step_plain": "lm2576r-15.step",
      "lbr": "lm2576r-15.lbr"
    },
    "distributor_links": {
      "lcsc": "C596344",
      "digikey": "5536-LM2576R-15TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:02:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5536-LM2576R-15TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive input supply for the LM2576 step-down switching regulator; a suitable input bypass capacitor (Cin) must be present to minimize voltage transients and supply the switching currents."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Emitter of the internal output switch, with a typical saturation voltage VSAT of 1.5V; the PCB area connected to this pin should be kept to a minimum to reduce coupling to sensitive circuitry."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground pin; see the datasheet's printed circuit board layout information."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Senses the regulated output voltage to complete the feedback loop through the internal divider R2/R1 on fixed versions, and is the direct error-amplifier input with an external divider on the adjustable version."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "TTL-level shutdown input that drops total input supply current to approximately 80uA when driven above the typical 1.4V threshold (up to +Vin); a voltage below 1.4V or an open pin leaves the regulator on."
      },
      {
        "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": {
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        "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 datasheet covers LM2576R-15 (TO-263-5L) in the ordering table on page 2, so the package matches ; The datasheet does not give a pin-level limit for VIN beyond the device-level ratings (operating sup",
          "exposed pad 6 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0463,
        "at": "2026-10-18T00:00:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913916004995072",
        "pages": 12,
        "sha256": "5415e08b03e8a2ce",
        "source_tier": "lcsc"
      },
      "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"
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    "models_3d": [
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "7839acb04ac01b6149f33d0ddf9d6b7d090a78f0ea0d3153ffcb0b4e2cbeb431",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "TO-263-5",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
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        {
          "name": "Output Voltage (18V≤Vin≤40V, 0.5A≤ILOAD≤3.0A, TJ=-40℃ ~ +125℃)",
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        {
          "name": "Oscillator Frequency (TJ=25℃)",
          "symbol": "FOSC",
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          "unit": "kHz",
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          "source_page": 7,
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        {
          "name": "Max Duty Cycle (\"0\")",
          "symbol": "DC",
          "kind": "electrical",
          "unit": "%",
          "min": 94,
          "typ": 98,
          "max": null,
          "conditions": "Note 5: feedback removed from output and connected to 0V",
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          "name": "Current Limit (Peak Current, TJ=25℃)",
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          "conditions": "TJ=25℃; Notes 3 and 4",
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          "conditions": "TJ=-40 to +125℃; Notes 3 and 4",
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        {
          "name": "Output Leakage Current (Output = 0V, TJ=25℃)",
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          "unit": "mA",
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          "conditions": "Output = 0V, TJ=25℃; Notes 6 and 7",
          "source_page": 7,
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        {
          "name": "Output Leakage Current (Output = -0.8V, TJ=25℃)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": 30,
          "conditions": "Output = -0.8V, TJ=25℃; Notes 6 and 7",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Quiescent Current (TJ=25℃)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 9,
          "conditions": "TJ=25℃; Note 6",
          "source_page": 7,
          "source": "datasheet"
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          "symbol": "IQ",
          "kind": "electrical",
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          "conditions": "TJ=-40 to +125℃; Note 6",
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          "name": "Standby Quiescent Current (ON/OFF Pin = 5.0V (\"off\"), TJ=25℃)",
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          "kind": "electrical",
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          "name": "Saturation Voltage (TJ=25℃)",
          "symbol": "VSAT",
          "kind": "electrical",
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          "max": 1.8,
          "conditions": "Iout=3.0A (output sourcing current, Note 4)",
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          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "ON/OFF Pin Logic Input Level VIH (TJ=25℃)",
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          "min": 2.2,
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          "conditions": "Vout=0V, TJ=25℃",
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          "name": "ON/OFF Pin Logic Input Level VIL (TJ=25℃)",
          "symbol": "VIL",
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          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "Vout=Nominal Output Voltage, TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Current IIH (ON/OFF Pin = 5.0V, Regulator OFF, TJ=25℃)",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 15,
          "max": 30,
          "conditions": "ON/OFF Pin = 5.0V (Regulator OFF), TJ=25℃",
          "source_page": 7,
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          "name": "ON/OFF Pin Input Current IIL (ON/OFF Pin = 0V, Regulator ON, TJ=25℃)",
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          "kind": "electrical",
          "unit": "µA",
          "min": 0,
          "typ": null,
          "max": 0.5,
          "conditions": "ON/OFF Pin = 0V (Regulator ON), TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum Supply Voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 5,
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        {
          "name": "On/Off Pin Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3V ≤ V ≤ +Vin",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage to Ground (Steady-State)",
          "symbol": "",
          "kind": "absolute_maximum",
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        {
          "name": "Storage Temperature Range",
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          "kind": "absolute_maximum",
          "unit": "℃",
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          "typ": null,
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          "source_page": 5,
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        {
          "name": "Minimum ESD Rating (Human Body Model)",
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          "conditions": "Human Body Model, C=100 pF, R=1.5kΩ",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Lead Temperature (Soldering, 10 seconds)",
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          "name": "Maximum Junction Temperature",
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          "name": "Operating Junction Temperature Range",
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          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
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          "source_page": 5,
          "source": "datasheet"
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          "name": "Supply Voltage",
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          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 5,
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          "name": "Thermal Resistance, Junction to Ambient (TO-263-5L)",
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          "unit": "℃/W",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "TO-263-5L package",
          "source_page": 5,
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          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "TO-263-5L package",
          "source_page": 5,
          "source": "datasheet"
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  "discovery_pitch": "LM2576R-15 (HTC Korea TAEJIN Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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