BTS4141N

{
  "schema_version": 1,
  "type": "component",
  "slug": "bts4141n",
  "title": "BTS4141N",
  "brief": "Infineon AC-DC Controllers and Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "bts4141n"
  ],
  "component": {
    "mpn": "BTS4141N",
    "manufacturer": "Infineon",
    "package": "SOT-223",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9fc7e0a85e8c6934682f6a8cdf6dccb6.pdf",
    "parts": {
      "symbol": "bts4141n.kicad_sym",
      "footprint": "bts4141n.kicad_mod",
      "model_3d": "bts4141n-etched.glb",
      "model_3d_plain": "bts4141n.glb",
      "model_3d_step": "bts4141n-etched.step",
      "model_3d_step_plain": "bts4141n.step",
      "lbr": "bts4141n.lbr"
    },
    "distributor_links": {
      "lcsc": "C151527"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Switched high-side output to the load. Drain of the internal N-channel power FET; RON ≈ 200 mΩ, nominal load current ≥ 0.7 A, self-limited short-circuit current (~1.4 A typ, 2.1 A max initial peak). Actively clamped to ~63 V min. for inductive load switch-off."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Logic (signal) ground reference for the internal control and protection circuitry. For load-dump and reverse-battery protection an external RGND ≈ 150 Ω resistor may be placed in series between this pin and system ground."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "input",
        "description": "CMOS-compatible logic input; drives the power switch on with a logic-high level (VIN(T+) ≤ 3.0 V turn-on, VIN(T-) ≥ 1.82 V turn-off, ~0.2 V hysteresis). Internal series resistor RI ≈ 3 kΩ; input clamped and ESD-protected, VIN range −10 V…Vbb."
      },
      {
        "number": "4",
        "name": "Vbb",
        "type": "power_in",
        "description": "Positive battery supply (source of the internal N-FET). Operating range 12…45 V, absolute max 48 V, overvoltage clamp Vbb(AZ) = 47 V, load-dump withstand 83 V. Also acts as the tab / heat-sink pad on PG-SOT-223."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/9fc7e0a85e8c6934682f6a8cdf6dccb6.pdf",
        "pages": 21,
        "sha256": "9e4935b2086ee127",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -3.15,
        -2.3
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-223@sha256:49f22605ecc1fc70",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "bts4141n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bts4141n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "43e9c55d5a131b49e8eab3a863ac53f068ffff3fc889f2f4bb3d023956752dda",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Infineon",
      "Package": "SOT-223",
      "Category": "PMIC",
      "Pins": "4"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bts4141n"
  ],
  "discovery_pitch": "BTS4141N (Infineon) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bts4141n.kicad_sym",
    "bts4141n.kicad_mod",
    "bts4141n.glb",
    "bts4141n.step",
    "bts4141n-etched.step",
    "bts4141n.lbr",
    "docs/hero.png",
    "docs/bts4141n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:15:20.333Z"
}