HT7550M 24V

{
  "slug": "ht7550m-24v",
  "version": "0.1.0",
  "type": "component",
  "description": "PUOLOP Linear Voltage Regulators (LDO), SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "ht7550m 24v",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht7550m-24v.kicad_sym",
    "ht7550m-24v.kicad_mod",
    "ht7550m-24v.glb",
    "ht7550m-24v.step",
    "ht7550m-24v.lbr",
    "docs/hero.png",
    "docs/ht7550m-24v-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht7550m-24v-hero.glb",
    "ht7550m-24v-hero.overlay.json",
    "ht7550m-24v-etched.glb"
  ],
  "component": {
    "mpn": "HT7550M 24V",
    "manufacturer": "PUOLOP",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/75f9d5233f730f3f4c0576f7a2e5dd40.pdf",
    "parts": {
      "symbol": "ht7550m-24v.kicad_sym",
      "footprint": "ht7550m-24v.kicad_mod",
      "model_3d": "ht7550m-24v-hero.glb",
      "model_3d_plain": "ht7550m-24v-etched.glb",
      "model_3d_step": "ht7550m-24v-etched.step",
      "model_3d_step_plain": "ht7550m-24v.step",
      "lbr": "ht7550m-24v.lbr"
    },
    "distributor_links": {
      "lcsc": "C479062"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T03:34:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground pin (芯片接地端)."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Start-up input pin; the absolute maximum input voltage is -0.3 V to +26 V, and the datasheet specifies a DC input voltage of 24 V maximum."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Chip output pin; for the HT7550M the output is 5.0 V typical (4.850 V to 5.150 V), and an output-to-ground capacitor greater than 2.2 μF, with tantalum recommended, must be used."
      }
    ],
    "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 pin-function table on page 1 lists GND/VIN/VOUT as pins 1/2/3 under a combined SOT89-3 / SOT23-5; The ordering/package matrix on page 2 (HT75XXM model vs. SOT89/TO92/SOT23-5/SOT23-3) lost its check ; The MPN suffix '24V' does not appear in the datasheet; the 24 V figure in the text is the maximum op"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0333,
        "at": "2026-10-31T03:32:11"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/75f9d5233f730f3f4c0576f7a2e5dd40.pdf",
        "pages": 11,
        "sha256": "1fd9a20bd34031ee",
        "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"
    },
    "models_3d": [
      {
        "file": "ht7550m-24v.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.3,
        "footprint_binding": "identity",
        "sha256": "35bc7b53f83d7a220e242d44c835371068f11a97b2736c6a82c4410e475c1fba",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht7550m-24v-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.3,
        "footprint_binding": "identity",
        "sha256": "f85406b54d2c28e38b7887de07fc13d006efd83f1e68aaf48f28703ea594f46d",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT89",
      "source_page": 8,
      "D": {
        "nom_mm": 4.5,
        "range_mm": [
          4.3,
          4.7
        ]
      },
      "E1": {
        "nom_mm": 2.5,
        "range_mm": [
          2.3,
          2.7
        ]
      },
      "E": {
        "nom_mm": 4.2,
        "range_mm": [
          4.0,
          4.4
        ]
      },
      "e": {
        "nom_mm": 1.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.5,
        "range_mm": [
          1.4,
          1.6
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ht7550m-24v.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}