TMI3343

{
  "slug": "tmi3343",
  "version": "0.1.0",
  "type": "component",
  "description": "TMI DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tmi3343",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tmi3343.kicad_sym",
    "tmi3343.kicad_mod",
    "tmi3343.glb",
    "tmi3343.step",
    "tmi3343.lbr",
    "docs/hero.png",
    "docs/tmi3343-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmi3343-hero.glb",
    "tmi3343-hero.overlay.json",
    "tmi3343-etched.glb"
  ],
  "component": {
    "mpn": "TMI3343",
    "manufacturer": "TMI",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e150e2d43799c32cbae6f3a804a3a1d0.pdf",
    "parts": {
      "symbol": "tmi3343.kicad_sym",
      "footprint": "tmi3343.kicad_mod",
      "model_3d": "tmi3343-hero.glb",
      "model_3d_plain": "tmi3343-etched.glb",
      "model_3d_step": "tmi3343-etched.step",
      "model_3d_step_plain": "tmi3343.step",
      "lbr": "tmi3343.lbr"
    },
    "distributor_links": {
      "lcsc": "C5259206"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T20:25:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BS",
        "type": "passive",
        "description": "High-side gate driver bootstrap pin supplying the high-side LDMOS gate driver; connect a 100nF capacitor between BS and SW."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Power input pin, operating range 4.5V to 30V."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "power_out",
        "description": "Switch pin connected to the external inductor."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin with 0.8V reference threshold (784-816mV), used to set the output voltage through a resistor divider."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "External compensation pin for the peak current mode error amplifier output."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Logic-high enables the IC and logic-low disables it into micro-power shutdown; must not be left floating and EN sink current must stay below 1mA."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start and tracking pin; an external capacitor sets the internal reference rise time and the pin voltage overrides the internal reference."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground exposed pad; connect to the power ground copper area with copper and vias."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 9 is the exposed pad, numbered 9 in the pin function table but not a leaded pin on the package d; Absolute maximum ratings list a PG pin that does not exist in the pinout, which looks like a carry-o"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0943,
        "at": "2026-10-22T20:24:42"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e150e2d43799c32cbae6f3a804a3a1d0.pdf",
        "pages": 15,
        "sha256": "3bb21f4c0028d0af",
        "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"
    },
    "models_3d": [
      {
        "file": "tmi3343.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmi3343-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "59bd4a7b243bf15f6fb9de57f14ac78f74ccb24d748e59975c483b484a5f7138",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}