MT7202

{
  "slug": "mt7202",
  "version": "0.1.0",
  "type": "component",
  "description": "MAXIC Tech LED Drivers, SOT-89-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "nixie tube driver-led driver",
    "mt7202",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mt7202.kicad_sym",
    "mt7202.kicad_mod",
    "mt7202.glb",
    "mt7202.step",
    "mt7202.lbr",
    "docs/hero.png",
    "docs/mt7202-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mt7202-hero.glb",
    "mt7202-hero.overlay.json",
    "mt7202-etched.glb"
  ],
  "component": {
    "mpn": "MT7202",
    "manufacturer": "MAXIC Tech",
    "package": "SOT-89-5",
    "pin_count": 5,
    "category": "Nixie Tube Driver/LED Driver",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910581663338496",
    "parts": {
      "symbol": "mt7202.kicad_sym",
      "footprint": "mt7202.kicad_mod",
      "model_3d": "mt7202-hero.glb",
      "model_3d_plain": "mt7202-etched.glb",
      "model_3d_step": "mt7202-etched.step",
      "model_3d_step_plain": "mt7202.step",
      "lbr": "mt7202.lbr"
    },
    "distributor_links": {
      "lcsc": "C216699"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T22:55:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LX",
        "type": "output",
        "description": "Drain of the internal power switch and the inductor connection node; it is a fast-switching node, so the PCB trace should be kept as short as possible."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground, which should be kept well grounded to minimize ground bounce."
      },
      {
        "number": "3",
        "name": "ADJ",
        "type": "input",
        "description": "Multi-function on/off and brightness control: floating gives VADJ = 2.38 V and nominal current 0.1/RS, output is off below 0.235 V, analog dimming from 20% to 100% of IOUTnom applies between 0.235 V and 1.6 V, output is clamped at 100% above 1.6 V, PWM signals are accepted, and a capacitor to GND adds soft-start time."
      },
      {
        "number": "4",
        "name": "ISENSE",
        "type": "input",
        "description": "Current sense input; the sense resistor RS is connected between ISENSE and VIN and sets the average LED current IOUTnom = 0.1/RS, with RS minimum 0.066 Ω when ADJ is floating."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input rated 6 V to 50 V, to be decoupled to GND with a 4.7 µF or larger X7R ceramic capacitor placed as close to the chip as possible."
      }
    ],
    "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-diagram text on page 2 is garbled and labels 'ADJ 4', while the pin description table on the; The datasheet lists only the SOT89-5 package (features: 'SOT89-5封装'), so the pinout above applies to"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0412,
        "at": "2026-10-17T22:54:12"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910581663338496",
        "pages": 9,
        "sha256": "d19067e7548eddfb",
        "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": [
      {
        "file": "mt7202.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.2,
          4.5,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5bf9133f79d12f58c4da043d3892ba5cec700de6f3255a5358e7ec3200be4733",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mt7202-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.2,
          4.5,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "608594968261926a51d42123a566383185875c8ff8808abf3cf581aafa9d259c",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}