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Ray Set visibility: public 6ef58d2 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "md7021",
  "title": "MD7021",
  "brief": "Shanghai Mingda Microelectronics Supervisor And Reset ICs, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "md7021",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MD7021",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918163337850880",
    "parts": {
      "symbol": "md7021.kicad_sym",
      "footprint": "md7021.kicad_mod",
      "model_3d": "md7021-hero.glb",
      "model_3d_plain": "md7021-etched.glb",
      "model_3d_step": "md7021-etched.step",
      "model_3d_step_plain": "md7021.step",
      "lbr": "md7021.lbr"
    },
    "distributor_links": {
      "lcsc": "C920395"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T05:03:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "output",
        "description": "Detector output (NMOS open drain for MD7021, active low) that goes low when VDD falls below the 2.1V detect voltage; sink current is 2 mA typ. at VOUT=0.2V, and output current is limited to 10mA max."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (VSS) for the voltage detector."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply and voltage-sense input with 1.5V to 15V operating range for MD7021 and an absolute maximum of 18V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT 23-3L drawing on page 3 labels the pins by name only (VOUT bottom-left, GND bottom-right, VD; The datasheet does not state the output type as a pin attribute. MD7021 is treated as the NMOS open-",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 17,
        "cost_usd": 0.3329,
        "at": "2026-10-19T05:02:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918163337850880",
        "pages": 17,
        "sha256": "a73a565d183efa3d",
        "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": "md7021.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md7021-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e3d3c5ccc06033ded9f0d7128cdc8e5f7b79c0c64648d5e68b17aca7348e2d5c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOT-23-3L",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a73a565d183efa3dfb9a4e55816d3bd6e6a4fd870237d86084dabac6cc89aec1",
      "rows": [
        {
          "name": "Hi→Lo Detectable Voltage",
          "symbol": "VDET",
          "kind": "electrical",
          "unit": "V",
          "min": 2.037,
          "typ": 2.1,
          "max": 2.163,
          "conditions": "TA=25℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis Width",
          "symbol": "VHYS",
          "kind": "electrical",
          "unit": "%",
          "min": 0.02,
          "typ": 0.05,
          "max": 0.07,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1.2,
          "max": 3,
          "conditions": "3.1, No load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Voltage",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Sink Current",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 1,
          "typ": 2,
          "max": null,
          "conditions": "VDD 2, VOUT=0.2V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature Coefficient",
          "symbol": "△VDET/△TA",
          "kind": "temperature_coefficient",
          "unit": "mV/℃",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "0℃<Ta<70℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Consumption",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "SOT23-/5 package",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -50,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "md7021"
  ],
  "discovery_pitch": "MD7021 (Shanghai Mingda Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md7021.kicad_sym",
    "md7021.kicad_mod",
    "md7021.glb",
    "md7021.step",
    "md7021.lbr",
    "docs/hero.png",
    "docs/md7021-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md7021-hero.glb",
    "md7021-hero.overlay.json",
    "md7021-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}