MD7672B50SF4

{
  "schema_version": 1,
  "type": "component",
  "slug": "md7672b50sf4",
  "title": "MD7672B50SF4",
  "brief": "Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "md7672b50sf4"
  ],
  "component": {
    "mpn": "MD7672B50SF4",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/cec5ffcfd27475111865b1d2d5316ed0.pdf",
    "parts": {
      "symbol": "md7672b50sf4.kicad_sym",
      "footprint": "md7672b50sf4.kicad_mod",
      "model_3d": "md7672b50sf4-etched.glb",
      "model_3d_plain": "md7672b50sf4.glb",
      "model_3d_step": "md7672b50sf4-etched.step",
      "model_3d_step_plain": "md7672b50sf4.step",
      "lbr": "md7672b50sf4.lbr"
    },
    "distributor_links": {
      "lcsc": "C920526"
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulator output pin. Default fixed 5 V (adjustable 1.2-5 V via external divider; 0.7 V min with ADJ divider). Supplies up to 2 A. Place a low-ESR ceramic COUT ≥ 4.7 µF (X5R/X7R) as close to this pin as possible; ≥10 µF recommended for load currents >500 mA."
      },
      {
        "number": "2",
        "name": "ADJ",
        "type": "input",
        "description": "Adjustable / feedback pin. Output voltage is programmed by an external resistive divider using VOUT = VREF·(1 + R1/R2) with VREF = 0.7 V nominal (0.686-0.714 V). Tie ADJ directly to GND to select the internal fixed 5 V setting. ADJ pin current ≈ 10 nA; threshold ≈ 0.1 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / signal return. Also serves as the thermal reference; must be tied to the exposed pad ground plane for proper heat dissipation."
      },
      {
        "number": "4",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or tied to GND / left OPEN per datasheet note."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable input, active-high. VEN ≥ 1.6 V enables the regulator; VEN ≤ 0.4 V shuts down the device (shutdown current 10 nA typ., output driven to 0 V through ~30 Ω internal discharge). Do not leave floating."
      },
      {
        "number": "6",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or tied to GND / OPEN."
      },
      {
        "number": "7",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or tied to GND / OPEN."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, 2-6 V (absolute max −0.3 to 7 V). Must be decoupled to GND with a ≥4.7 µF low-ESR ceramic capacitor placed close to the pin; ≥10 µF recommended for load currents >500 mA."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad on package bottom. Must be soldered to a large ground plane (both electrical return and thermal path). θJB = 80 °C/W for ESOP8.",
        "source": "renumbered-to-footprint-pad"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/cec5ffcfd27475111865b1d2d5316ed0.pdf",
        "pages": 11,
        "sha256": "e70bd5ca9e1c146d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "md7672b50sf4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md7672b50sf4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "67bdae42f1f544b048d3755204b5615cb532d49fb31d6f9b0fe2d21763a1c9d1",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "ESOP-8",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "md7672b50sf4"
  ],
  "discovery_pitch": "MD7672B50SF4 (Shanghai Mingda Microelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md7672b50sf4.kicad_sym",
    "md7672b50sf4.kicad_mod",
    "md7672b50sf4.glb",
    "md7672b50sf4.step",
    "md7672b50sf4.lbr",
    "docs/hero.png",
    "docs/md7672b50sf4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md7672b50sf4-etched.step"
  ],
  "variants": [
    {
      "mpn": "MD7672B50SF4",
      "kind": "packaging"
    },
    {
      "mpn": "MD7672B50SF4A50SF4",
      "kind": "packaging"
    },
    {
      "mpn": "MD7672B50SF4E50UB2",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T01:30:45.091Z"
}