HT7550S

{
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  "type": "component",
  "slug": "ht7550s",
  "title": "HT7550S",
  "brief": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "ht7550s"
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  "component": {
    "mpn": "HT7550S",
    "manufacturer": "UMW",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "docs/ht7550s-datasheet.pdf",
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    "distributor_links": {
      "lcsc": "C347217"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. Connect to the system ground plane and to the negative terminal of the input and output bypass capacitors."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply. Absolute maximum 30V. Bypass with a 10µF capacitor to GND close to the pin (see application circuit)."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5.0V ±3% output (4.85V-5.15V typ at VIN=7V, IOUT=10mA). Continuous output current 60-100mA. Bypass with a 10µF capacitor to GND for stability."
      }
    ],
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        "pages": 15,
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      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
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        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "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"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
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      },
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8a0c9fe50657dd3d3a7d9046a3634f8a024c45edf3a942f7e151daf4cee7c6f7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "sections": [
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    "readme",
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  "discovery_triggers": [
    "ht7550s"
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  "discovery_pitch": "HT7550S (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht7550s.kicad_sym",
    "ht7550s.kicad_mod",
    "ht7550s.glb",
    "ht7550s.step",
    "ht7550s-etched.step",
    "ht7550s.lbr",
    "docs/hero.png",
    "docs/ht7550s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pads.json",
    "ht7550s-etched.glb"
  ],
  "updated_at": "2026-09-24T22:10:08.296Z",
  "description": "UMW Youtai Semiconductor Co   Ltd Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "visibility": "public",
  "org": "adom"
}