HT5429AREZ

{
  "slug": "ht5429arez",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ht5429arez",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht5429arez.kicad_sym",
    "ht5429arez.kicad_mod",
    "ht5429arez.glb",
    "ht5429arez.step",
    "ht5429arez.lbr",
    "docs/hero.png",
    "docs/ht5429arez-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht5429arez-hero.glb",
    "ht5429arez-hero.overlay.json",
    "ht5429arez-etched.glb"
  ],
  "component": {
    "mpn": "HT5429AREZ",
    "manufacturer": "HTCSEMI",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8b1ff9ca8498db00a117e7e26796d3ad.pdf",
    "parts": {
      "symbol": "ht5429arez.kicad_sym",
      "footprint": "ht5429arez.kicad_mod",
      "model_3d": "ht5429arez-hero.glb",
      "model_3d_plain": "ht5429arez-etched.glb",
      "model_3d_step": "ht5429arez-etched.step",
      "model_3d_step_plain": "ht5429arez.step",
      "lbr": "ht5429arez.lbr"
    },
    "distributor_links": {
      "lcsc": "C28646421"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T05:23:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GATE",
        "type": "output",
        "description": "Power-stage gate drive output that switches the external N-channel MOSFET."
      },
      {
        "number": "2",
        "name": "SENS",
        "type": "input",
        "description": "The voltage between SENS and IN sets the input current limit through an external sense resistor, with a typical threshold of 57 mV."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin; the recommended operating supply is 3.0 V to 20 V, with an absolute maximum of 36 V."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start pin where an external capacitor to GND is charged by a 5 µA source, and leaving it open disables soft-start."
      },
      {
        "number": "5",
        "name": "COMP",
        "type": "passive",
        "description": "Error-amplifier compensation pin, where a capacitor and resistor in series to GND stabilize the control loop."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_out",
        "description": "Internal bias supply output that requires a 2.2 µF ceramic capacitor placed as close to the pin as possible."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "Feedback voltage input with a 1.25 V reference, connected to an external resistor divider."
      },
      {
        "number": "8",
        "name": "EN",
        "type": "input",
        "description": "Enable pin where high turns the chip on and low turns it off, and it must not be left floating."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground connected to the thermal pad of the ESOP8 package."
      }
    ],
    "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: Page 2 pin-function list is consistent with the package-pin table (1 GATE, 2 SENS, 3 IN, 4 SS, 5 COM"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0134,
        "at": "2026-10-27T05:23:03"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8b1ff9ca8498db00a117e7e26796d3ad.pdf",
        "pages": 8,
        "sha256": "925c355fc4bd463a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ht5429arez.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht5429arez-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a164370c4b888d69f887d5efc3826fb6ceae35ee55f7788c0980ecd5cc20790f",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}