main
Ray Set visibility: public 21d0cba 17d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2596hvs-12",
  "title": "LM2596HVS-12",
  "brief": "HGSEMI 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)",
    "lm2596hvs-12",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2596HVS-12",
    "manufacturer": "HGSEMI",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756277786854612992",
    "parts": {
      "symbol": "lm2596hvs-12.kicad_sym",
      "footprint": "lm2596hvs-12.kicad_mod",
      "model_3d": "lm2596hvs-12-hero.glb",
      "model_3d_plain": "lm2596hvs-12-etched.glb",
      "model_3d_step": "lm2596hvs-12-etched.step",
      "model_3d_step_plain": "lm2596hvs-12.step",
      "lbr": "lm2596hvs-12.lbr"
    },
    "distributor_links": {
      "lcsc": "C356715",
      "digikey": "4518-LM2596HVS-12TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T04:40:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4518-LM2596HVS-12TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input that requires a DC source of 4.5V to 40V (60V for the HV version); a large-value capacitor should be connected between VIN and GND to suppress supply noise."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "output",
        "description": "Power switch output pin, a switching node that supplies the output load; the datasheet gives no voltage limit here beyond the absolute maximum rating of -0.3V to VIN."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, which should be routed on the ground return path away from the Schottky diode output point so that switching current spikes do not couple noise into the device."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Voltage feedback pin that senses the output through a resistor divider and regulates it, with a feedback threshold voltage of 1.23V."
      },
      {
        "number": "5",
        "name": "ON_OFF",
        "type": "input",
        "description": "Enable pin: applying a high level shuts the device off and a low level turns it on, with thresholds of 1.4V (OFF) and 0.8V (ON), and the pin defaults to low when floating."
      },
      {
        "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: The datasheet has no TO-263-5-specific pin diagram. The pin table (page 4) lists pins 1-5 without na; The ordering table (page 2) lists LM2596HVS-12/TR under TO-263-5 with the printed marking LM2596HV-1; Type for FEEDBACK: the datasheet pin table gives I/O; mapped to KiCad 'input' because it is a sense ",
          "exposed pad 6 added from the footprint"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0655,
        "at": "2026-10-18T04:38:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756277786854612992",
        "pages": 17,
        "sha256": "986b3081cc1a4676",
        "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": "lm2596hvs-12.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2596hvs-12-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": "83c6ed6da8a5450b83530eaade9ea2063e677786106443ad8ec2d6e8db7da509",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "TO-263-5",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "986b3081cc1a4676ea7dcb8aec22c6753d011864b5c511e8a526a1e34d1b7925",
      "rows": [
        {
          "name": "Output voltage (LM2596HV-12)",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "V",
          "min": 11.52,
          "typ": 12,
          "max": 12.48,
          "conditions": "VIN=15V~60V, ILOAD=0.2A~3A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input operating voltage (LM2596HV)",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 127,
          "typ": 150,
          "max": 173,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Current limit",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "A",
          "min": 3.6,
          "typ": 4.8,
          "max": 6.9,
          "conditions": "VFB=0",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF pin threshold voltage, high (control off)",
          "symbol": "VON_OFF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF pin threshold voltage, low (control on)",
          "symbol": "VON_OFF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "CFB=0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Saturation voltage",
          "symbol": "VCE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 1.5,
          "conditions": "VFB=0V, LOUT=3A",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Standby current",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 80,
          "max": 200,
          "conditions": "VON_OFF=5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent operating current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "VON_OFF=0V, VFB=VIN",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Switch pin leakage current (OFF)",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 30,
          "conditions": "VON_OFF=2.5V(OFF)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Switch pin leakage current (ON)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.2,
          "max": 10,
          "conditions": "VON_OFF=0.5V(ON)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (LM2596HV), absolute maximum",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Feedback pin voltage, absolute maximum (lower limit)",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF pin voltage, absolute maximum (lower limit)",
          "symbol": "VON_OFF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power transistor output pin voltage, absolute maximum (lower limit)",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature, absolute maximum",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Lead soldering temperature",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 245,
          "conditions": "10 s, TO-220/TO-263",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD capability (human body model)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "Human body model",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (LM2596HV), recommended operating",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range, recommended",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (TO-263)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 42.6,
          "max": null,
          "conditions": "TO-263 column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (TO-263)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 43.3,
          "max": null,
          "conditions": "TO-263 column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance (TO-263)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 22.4,
          "max": null,
          "conditions": "TO-263 column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (bottom) thermal resistance (TO-263)",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "TO-263 column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter (TO-263)",
          "symbol": "ΨJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10.7,
          "max": null,
          "conditions": "TO-263 column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter (TO-263)",
          "symbol": "ΨJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 21.3,
          "max": null,
          "conditions": "TO-263 column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction-to-ambient, without heatsink (TO-263 package)",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "TO220, TO263 package, without heatsink",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2596hvs-12"
  ],
  "discovery_pitch": "LM2596HVS-12 (HGSEMI) 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",
    "lm2596hvs-12.kicad_sym",
    "lm2596hvs-12.kicad_mod",
    "lm2596hvs-12.glb",
    "lm2596hvs-12.step",
    "lm2596hvs-12.lbr",
    "docs/hero.png",
    "docs/lm2596hvs-12-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2596hvs-12-hero.glb",
    "lm2596hvs-12-hero.overlay.json",
    "lm2596hvs-12-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}