main
Ray Set visibility: public 6796baa 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2576hvs-12rg",
  "title": "LM2576HVS-12RG",
  "brief": "HANSCHIP semiconductor 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)",
    "lm2576hvs-12rg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2576HVS-12RG",
    "manufacturer": "HANSCHIP semiconductor",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603357961011929088",
    "parts": {
      "symbol": "lm2576hvs-12rg.kicad_sym",
      "footprint": "lm2576hvs-12rg.kicad_mod",
      "model_3d": "lm2576hvs-12rg-hero.glb",
      "model_3d_plain": "lm2576hvs-12rg-etched.glb",
      "model_3d_step": "lm2576hvs-12rg-etched.step",
      "model_3d_step_plain": "lm2576hvs-12rg.step",
      "lbr": "lm2576hvs-12rg.lbr"
    },
    "distributor_links": {
      "lcsc": "C22439320"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:27:27Z",
      "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": "Unregulated input supply; maximum 55 V for LM2576HV (40 V for LM2576), per absolute maximum ratings."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Switch output of the regulator; output voltage to ground (steady state) is rated -1 V minimum."
      },
      {
        "number": "3",
        "name": "Ground",
        "type": "power_in",
        "description": "Ground pin; the package tab is also ground."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Feedback sense input; for the 12 V fixed version it senses the output voltage through the internal divider (R2 = 8.84k)."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Active-low shutdown input with TTL-level thresholds (VIH 2.2/2.4 V min, VIL 1.0/0.8 V max); input range -0.3 V to VIN; standby current 50 µA typical."
      },
      {
        "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-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The tab is labelled GND in the drawing and is not a numbered pin. It is probably best connected to g",
          "exposed pad 6 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.3271,
        "at": "2026-10-19T07:26:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603357961011929088",
        "pages": 13,
        "sha256": "ce51146fc016d417",
        "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"
    },
    "models_3d": [
      {
        "file": "lm2576hvs-12rg.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2576hvs-12rg-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2d97eadf04efc37e2d008dd021e8414dc2cfbf91988c658d49b77d6dd56ee931",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HANSCHIP semiconductor",
      "Package": "TO-263-5",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ce51146fc016d4177ec18ddb08c8fb797c02f8db350570d732e0ab3eb2d79e0e",
      "rows": [
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          "name": "Output voltage, VIN = 25V, I load = 0.5A",
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          "min": 11.76,
          "typ": 12,
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          "conditions": "VIN = 25V, I load = 0.5A",
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        },
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          "name": "Output voltage LM2576HV-12, 25°C limit (standard-font value)",
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          "name": "Output voltage LM2576HV-12, full operating junction temperature range (bold-font value)",
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        {
          "name": "Oscillator frequency (standard-font limit)",
          "symbol": "fO",
          "kind": "electrical",
          "unit": "kHz",
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          "typ": 52,
          "max": 58,
          "conditions": "Note 11",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency (bold-font full-range limit)",
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          "kind": "electrical",
          "unit": "kHz",
          "min": 42,
          "typ": 52,
          "max": 63,
          "conditions": "Note 11",
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        },
        {
          "name": "Saturation voltage (standard-font limit)",
          "symbol": "VSAT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.4,
          "max": 1.8,
          "conditions": "IOUT = 3A (Note 4)",
          "source_page": 7,
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        {
          "name": "Saturation voltage (bold-font full-range limit)",
          "symbol": "VSAT",
          "kind": "electrical",
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          "min": null,
          "typ": 1.4,
          "max": 2,
          "conditions": "IOUT = 3A (Note 4)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle (ON)",
          "symbol": "DC",
          "kind": "electrical",
          "unit": "%",
          "min": 93,
          "typ": 98,
          "max": null,
          "conditions": "Note 5 (feedback pin disconnected from output, tied to 0 V)",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Current limit (standard-font limit)",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 4.2,
          "typ": 5.8,
          "max": 6.9,
          "conditions": "Notes 4, 11",
          "source_page": 7,
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        {
          "name": "Current limit (bold-font full-range limit)",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": 5.8,
          "max": 7.5,
          "conditions": "Notes 4, 11",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output leakage current, output = 0 V",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 7.5,
          "conditions": "Output = 0 V (Notes 6, 7)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output leakage current, output = -1 V (standard-font limit)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Output = -1 V (Notes 6, 7)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output leakage current, output = -1 V (bold-font full-range limit)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Output = -1 V (Notes 6, 7)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "Note 6",
          "source_page": 7,
          "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": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control logic input level high (standard-font limit)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 1.4,
          "max": null,
          "conditions": "VOUT = 0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control logic input level high (bold-font full-range limit)",
          "symbol": "VIH",
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          "min": 2.4,
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          "max": null,
          "conditions": "VOUT = 0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control logic input level low (standard-font limit)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1,
          "conditions": "VOUT = nominal input voltage",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control logic input level low (bold-font full-range limit)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 0.8,
          "conditions": "VOUT = nominal input voltage",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control input current high",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 12,
          "max": 30,
          "conditions": "ON/OFF = 5V (off)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control input current low",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0,
          "max": 10,
          "conditions": "ON/OFF = 0V (on)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum supply voltage LM2576HV",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 55,
          "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": "Range -0.3 V to +VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage to ground (steady state)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "Steady state",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD rating",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "C = 100 pF, R = 1.5 kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (soldering, 10 s)",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 245,
          "conditions": "Soldering, 10 s",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage LM2576HV",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 55,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient (TO-263)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 42.6,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case (top) (TO-263)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 43.3,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to board (TO-263)",
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          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 22.4,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter (TO-263)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 10.7,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter (TO-263)",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 21.3,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case (bottom) (TO-263)",
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          "unit": "℃/W",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient, S-type (TO-263) package",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "Note 10: 0.5 in² copper area",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
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    "info"
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  "discovery_triggers": [
    "lm2576hvs-12rg"
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  "discovery_pitch": "LM2576HVS-12RG (HANSCHIP semiconductor) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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