BTS6143D

{
  "schema_version": 1,
  "type": "component",
  "slug": "bts6143d",
  "title": "BTS6143D",
  "brief": "Infineon Technologies Power Distribution Switches, TO-252-4. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "bts6143d"
  ],
  "component": {
    "mpn": "BTS6143D",
    "manufacturer": "Infineon Technologies",
    "package": "TO-252-4",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202555936616448",
    "parts": {
      "symbol": "bts6143d.kicad_sym",
      "footprint": "bts6143d.kicad_mod",
      "model_3d": "bts6143d-etched.glb",
      "model_3d_plain": "bts6143d.glb",
      "model_3d_step": "bts6143d-etched.step",
      "model_3d_step_plain": "bts6143d.step",
      "lbr": "bts6143d.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Switched high-side output to the load. Pins 1 and 5 must be externally shorted together; failure to short them increases R_ON, reduces peak current capability, and degrades current-sense accuracy."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "input",
        "description": "Logic input; activates the power switch when pulled to ground (active-low via internal current source referenced to Vbb). Typical turn-on current capability 1.4 mA (max 2.2 mA); turn-off input current max 30 uA."
      },
      {
        "number": "3",
        "name": "Vbb",
        "type": "power_in",
        "description": "Positive supply voltage input (5.5 to 38 V operating, 45 V load-dump). Pin 3 is internally shorted to the exposed tab, which is also the main thermal path."
      },
      {
        "number": "4",
        "name": "IS",
        "type": "output",
        "description": "Diagnostic current-sense output. Sources a current proportional to load current during normal operation (k_ILIS ~ 10000, I_S = I_L / k_ILIS) through an external R_IS (typ. 1 kOhm) to signal GND, generating V_IS. In fault conditions (overload, overtemperature, short circuit) a defined I_S,fault (4-7.5 mA) is asserted; see Truth Table."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Switched high-side output to the load (second output lead of the power MOSFET). Pins 1 and 5 must be externally shorted together to achieve the specified R_ON and current handling."
      },
      {
        "number": "TAB",
        "name": "Vbb",
        "type": "power_in",
        "description": "Exposed die-attach tab; internally shorted to pin 3 (Vbb). Serves as the main thermal path - solder to a copper area for adequate heat dissipation (R_thJA ~ 45 K/W on 50x50x1.5 mm FR4 with 6 cm2 copper)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202555936616448",
        "pages": 18,
        "sha256": "19a4b4b768b72bd6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bts6143d.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d85360b3e2359b76856869bda844e512876c2223b4cf36e7a7e1581f227bec7e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bts6143d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "39721310dac167386e60ef0ba95dc1e33058dfbbda03c6396b2dcc6bc222e86a",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Infineon Technologies",
      "Package": "TO-252-4",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bts6143d"
  ],
  "discovery_pitch": "BTS6143D (Infineon Technologies) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bts6143d.kicad_sym",
    "bts6143d.kicad_mod",
    "bts6143d.glb",
    "bts6143d.step",
    "bts6143d.lbr",
    "docs/hero.png",
    "docs/bts6143d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:15:28.116Z"
}