main
Ray Set visibility: public 91a212b 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ht2596s-adj",
  "title": "HT2596S-ADJ",
  "brief": "HTCSEMI 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)",
    "ht2596s-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HT2596S-ADJ",
    "manufacturer": "HTCSEMI",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226480279158784",
    "parts": {
      "symbol": "ht2596s-adj.kicad_sym",
      "footprint": "ht2596s-adj.kicad_mod",
      "model_3d": "ht2596s-adj-hero.glb",
      "model_3d_plain": "ht2596s-adj-etched.glb",
      "model_3d_step": "ht2596s-adj-etched.step",
      "model_3d_step_plain": "ht2596s-adj.step",
      "lbr": "ht2596s-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C2976644"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:06:48Z",
      "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 (operating) voltage pin, with a recommended operating range of 4.5 V to 40 V and an absolute maximum of 45 V."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Regulator switching output to the load, rated at an output voltage of -1.0 V minimum relative to GND in absolute maximum ratings, with the 3 A output load current."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground pin for the regulator."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback control pin with an absolute maximum voltage of -0.3 V to 25 V; on the adjustable version the output is set from 1.23 V to 37 V (+4%) through this pin."
      },
      {
        "number": "5",
        "name": "SD",
        "type": "input",
        "description": "Switching on/off control pin with an absolute maximum input voltage of -0.3 V to 25 V, where the regulator is switched on at VIL 0.6 V maximum and switched off at VIH 2.0 V minimum."
      },
      {
        "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 MPN suffix '-ADJ' does not appear in the datasheet. The mapping to the TO-263-5L package is infe; The pin table prints pin numbers as zero-padded '01'..'05' and the block diagram prints '2', '3'. Pi; The Output pin description has no stated pin-specific limit beyond the absolute-maximum output volta",
          "exposed pad 6 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0328,
        "at": "2026-10-18T03:04:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226480279158784",
        "pages": 11,
        "sha256": "14d19af2db5acdf3",
        "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": "ht2596s-adj.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          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": "ht2596s-adj-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a3290f3f4d2995572fcb2913f5c48ae6a45417751724fc852d8b4d13e9adbaa7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "TO-263-5",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "14d19af2db5acdf3b652b60a79a704bf409674ac4d5ae50fbbe82b2cc732bc29",
      "rows": [
        {
          "name": "Feedback bias current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "VFB = 1,3 V; VIN = 12 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Feedback bias current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VFB = 1,3 V; VIN = 12 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 127,
          "typ": null,
          "max": 173,
          "conditions": "VIN = 12 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 110,
          "typ": null,
          "max": 173,
          "conditions": "VIN = 40 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output leakage current",
          "symbol": "IL(-1)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -60,
          "conditions": "VFB = 12 V; VIN = 40 V; VOUT = -1 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VFB = 12 V; VIN = 12 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Standby mode quiescent current",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "VFB = 0 V; VIN = 40 V; VSD = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Standby mode quiescent current",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "VFB = 0 V; VIN = 40 V; VSD = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SD pin high level input voltage (switching off)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VFB = 0 V; VIN = 12 V; VSD from 0,5 to 2,5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SD pin high level input current (switching off)",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "VIN = 12 V; VSD = 2,5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SD pin low level input current (switching on)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VIN = 12 V; VSD = 0,5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Efficiency",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 73,
          "max": null,
          "conditions": "VIN = 12 V; IOUT = 3 A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Max. duty cycle (ON)",
          "symbol": "DCmax",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VFB = 0 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Max. duty cycle (OFF)",
          "symbol": "DCmin",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0,
          "max": null,
          "conditions": "VFB = 12 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Overheating protection operation threshold",
          "symbol": "Th",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature (recommended)",
          "symbol": "Tj",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "* ambient temperature is indicated",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input (operating) voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage relative to GND",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature (absolute maximum)",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "* ambient temperature is indicated",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-ambient",
          "symbol": "Rth j-a",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 65,
          "conditions": "without additional heat sink (note **)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-ambient (with heat sink)",
          "symbol": "Rth j-a",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 28,
          "conditions": "IC with copper radiator 19 cm² (note **)",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "ht2596s-adj"
  ],
  "discovery_pitch": "HT2596S-ADJ (HTCSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "visibility": {
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  }
}