HT1541ARTZ

{
  "slug": "ht1541artz",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ht1541artz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht1541artz.kicad_sym",
    "ht1541artz.kicad_mod",
    "ht1541artz.glb",
    "ht1541artz.step",
    "ht1541artz.lbr",
    "docs/hero.png",
    "docs/ht1541artz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht1541artz-hero.glb",
    "ht1541artz-hero.overlay.json",
    "ht1541artz-etched.glb"
  ],
  "component": {
    "mpn": "HT1541ARTZ",
    "manufacturer": "HTCSEMI",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588946958009946112",
    "parts": {
      "symbol": "ht1541artz.kicad_sym",
      "footprint": "ht1541artz.kicad_mod",
      "model_3d": "ht1541artz-hero.glb",
      "model_3d_plain": "ht1541artz-etched.glb",
      "model_3d_step": "ht1541artz-etched.step",
      "model_3d_step_plain": "ht1541artz.step",
      "lbr": "ht1541artz.lbr"
    },
    "distributor_links": {
      "lcsc": "C2917532"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T22:21:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Power switch output, the drain of the internal MOSFET, to which the power inductor and output rectifier connect; SW can swing between GND and 22V (absolute maximum on the SW pin is 25V)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the ground returns of C1 and C2 should be tied close to this pin."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input regulated to 1.25V (1.21V to 1.29V); a resistor divider sets the output voltage, with a 47kΩ to 100kΩ series resistor recommended in series with the FB pin."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Regulator on/off control input where a high level enables the converter and a low level disables it, and the pin must not be left floating (it can be tied to IN for automatic startup)."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin with a 2.5V to 6V operating range that must be locally bypassed, using a ceramic input capacitor of 4.7µF or greater placed close to the pin."
      }
    ],
    "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 covers HT1541A only and never lists the ordering suffix 'RTZ'. I mapped the MPN to the; The datasheet labels the 5-pin package 'TSOT23-5' in some places and 'TSSOT' in the pin table, and t; The QFN-8 (2mm x 2mm) variant pinout (pins 1 to 8, including N/C pins 6 and 7) is intentionally excl"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0496,
        "at": "2026-10-12T22:21:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588946958009946112",
        "pages": 10,
        "sha256": "cad8acb1fd691e8b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ht1541artz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht1541artz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a9516bd978cda4596371ec6bd8fa6c7451b4c1642a8dca99e14bd0518259326c",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}