MD73R50

{
  "slug": "md73r50",
  "version": "0.1.0",
  "type": "component",
  "description": "Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "md73r50",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md73r50.kicad_sym",
    "md73r50.kicad_mod",
    "md73r50.glb",
    "md73r50.step",
    "md73r50.lbr",
    "docs/hero.png",
    "docs/md73r50-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md73r50-hero.glb",
    "md73r50-hero.overlay.json",
    "md73r50-etched.glb"
  ],
  "component": {
    "mpn": "MD73R50",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590227076411121664",
    "parts": {
      "symbol": "md73r50.kicad_sym",
      "footprint": "md73r50.kicad_mod",
      "model_3d": "md73r50-hero.glb",
      "model_3d_plain": "md73r50-etched.glb",
      "model_3d_step": "md73r50-etched.step",
      "model_3d_step_plain": "md73r50.step",
      "lbr": "md73r50.lbr"
    },
    "distributor_links": {
      "lcsc": "C2978361"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T18:44:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input; the absolute maximum input voltage is 18 V, and the MD73R50 is specified for input from 6 V to 18 V with a dropout of 200 mV max at 100 mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal; the datasheet gives no separate electrical limit for this pin beyond the output-to-ground short-circuit behaviour."
      },
      {
        "number": "3",
        "name": "CE",
        "type": "input",
        "description": "Enable control; the MD73R50 requires at least 1.0 V (VCEH) to enable the output and at most 0.35 V (VCEL) to disable it, with a pull-up current of 0.1 to 1 uA."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (floating) pin; the datasheet states no electrical function for it."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output of 5.0 V ±2% (4.900 to 5.100 V at VIN = 7 V, IOUT = 10 mA) rated up to 300 mA, which must not exceed VIN + 0.3 V."
      }
    ],
    "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 table prints the input pin as VDD, while the circuit diagrams and absolute maximum ratings l; Electrical limits quoted for VIN (6 V to 18 V, 200 mV dropout), CE thresholds (VCEH 1.0 V, VCEL 0.35; The datasheet gives no GND-specific rating; the description is limited to what the text states."
        ],
        "pages_sent": 10,
        "cost_usd": 0.0379,
        "at": "2026-10-20T18:42:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590227076411121664",
        "pages": 10,
        "sha256": "72bda1000b9c09a2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "md73r50.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md73r50-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "90892b25e25e69170b6d16444aa7a57751b0507e0474f05133a9eb02f1e6866f",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}