HT7550

{
  "schema_version": 1,
  "type": "component",
  "slug": "ht7550",
  "title": "HT7550",
  "brief": "TWGMC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ht7550"
  ],
  "component": {
    "mpn": "HT7550",
    "manufacturer": "TWGMC",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4ce0ae94034b35a8b65550e701f1602f.pdf",
    "parts": {
      "symbol": "ht7550.kicad_sym",
      "footprint": "ht7550.kicad_mod",
      "model_3d": "ht7550-etched.glb",
      "model_3d_plain": "ht7550.glb",
      "model_3d_step": "ht7550-etched.step",
      "model_3d_step_plain": "ht7550.step",
      "lbr": "ht7550.lbr"
    },
    "distributor_links": {
      "lcsc": "C5279053"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / common return for input and output. Pin 1 of the SOT-23 package (bottom-left when viewed from the top with the marking upright)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated fixed +5.0V output (typ. 5.0V, min 4.85V, max 5.15V at IOUT=10mA). Sources up to 100mA (rated) / 150mA (typ.). A small output capacitor (≥1µF) is recommended for stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated supply input. Operating input up to 24V (line-regulation spec limit), absolute maximum +30V. Typical dropout ~100mV at 1mA. An input decoupling capacitor is recommended."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4ce0ae94034b35a8b65550e701f1602f.pdf",
        "pages": 12,
        "sha256": "d0d358ba595fe029",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -0.9375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23@sha256:0d88c86c1b6d8c1a",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ht7550.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht7550-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "169a4b7c6116f6d6b47aa247b2f215851160782ba659f5025746dafd4a4c1c67",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TWGMC",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ht7550"
  ],
  "discovery_pitch": "HT7550 (TWGMC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht7550.kicad_sym",
    "ht7550.kicad_mod",
    "ht7550.glb",
    "ht7550.step",
    "ht7550-etched.step",
    "ht7550.lbr",
    "docs/hero.png",
    "docs/ht7550-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "HT7550",
      "kind": "packaging"
    },
    {
      "mpn": "HT7550-1",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:09:43.901Z"
}