HT7533

{
  "schema_version": 1,
  "type": "component",
  "slug": "ht7533",
  "title": "HT7533",
  "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",
    "ht7533"
  ],
  "component": {
    "mpn": "HT7533",
    "manufacturer": "TWGMC",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2312211616_TWGMC-HT7533_C5279052.pdf",
    "parts": {
      "symbol": "ht7533.kicad_sym",
      "footprint": "ht7533.kicad_mod",
      "model_3d": "ht7533-etched.glb",
      "model_3d_plain": "ht7533.glb",
      "model_3d_step": "ht7533-etched.step",
      "model_3d_step_plain": "ht7533.step",
      "lbr": "ht7533.lbr"
    },
    "distributor_links": {
      "lcsc": "C5279052"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator. Common return for both input and output currents."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output. Fixed +3.3V ±3% (3.201-3.399V typical) at up to 100mA. Requires a small output capacitor for stability; typical dropout is 100mV at IOUT=1mA."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated supply input. Absolute maximum +30V; recommended operating range from (VOUT+dropout) up to 24V for line-regulation spec, with headroom needed above the 3.3V output. Bypass to GND with a ceramic capacitor."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2312211616_TWGMC-HT7533_C5279052.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": "ht7533.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht7533-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3accb5413290ce63ba6589733277b879fdf68ebc369b927df6da660e7758b5b2",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Unknown",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ht7533"
  ],
  "discovery_pitch": "HT7533 (Unknown) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht7533.kicad_sym",
    "ht7533.kicad_mod",
    "ht7533.glb",
    "ht7533.step",
    "ht7533-etched.step",
    "ht7533.lbr",
    "docs/hero.png",
    "docs/ht7533-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "HT7533",
      "kind": "packaging"
    },
    {
      "mpn": "HT7533-1",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:09:02.164Z"
}