BTS3046SDRATMA1

{
  "schema_version": 1,
  "type": "component",
  "slug": "bts3046sdratma1",
  "title": "BTS3046SDRATMA1",
  "brief": "Infineon Technologies Power Distribution Switches, TO-252. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
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  "component": {
    "mpn": "BTS3046SDRATMA1",
    "manufacturer": "Infineon Technologies",
    "package": "TO-252",
    "pin_count": 4,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588939725617180672",
    "parts": {
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      "footprint": "bts3046sdratma1.kicad_mod",
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      "model_3d_plain": "bts3046sdratma1.glb",
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      "lbr": "bts3046sdratma1.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "input",
        "description": "Logic-level gate/control input (VIN(ON) 2 V-10 V functional range, IIN(ON) ≤ 30 µA in normal operation). Compatible with 3.3 V/5 V logic and also supports analog drive. Also serves as a bi-directional fault-feedback node: on internal fault the pin sinks up to IIN(lim) ≈ 400 µA, pulling an external series resistor to signal the fault to the driving MCU. Input current is internally self-limited between −0.2 V and 10 V and clamped to ±2 mA outside that window."
      },
      {
        "number": "2",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal N-channel power DMOS; connects to the load return that goes to Vbat (low-side switching). Rated for VD up to 60 V active-clamped; functional drain voltage 2.5 V-36 V. Nominal load current 3.6 A, current limit ≥ 10 A. Electrically common with the exposed tab (pin 4)."
      },
      {
        "number": "3",
        "name": "Source",
        "type": "power_in",
        "description": "Source of the internal power DMOS; the module/board GND reference. All voltages in the datasheet are referenced to this pin; ESD HBM rating (±2 kV) is specified with Source tied to ground."
      },
      {
        "number": "4",
        "name": "Drain",
        "type": "power_in",
        "description": "Exposed thermal tab, electrically the Drain (common with pin 2). Provides the primary heat-sinking path; RthJC ≈ 0.9 K/W, RthJA(2s2p) ≈ 27 K/W on a JESD51 2s2p board. Solder to a copper pour connected to the load return for thermal performance."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
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        "pages": null,
        "sha256": "b678104907d6c0a1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": -0.0,
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        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-07",
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      {
        "file": "bts3046sdratma1-etched.step",
        "role": "eda",
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        "zmin_mm": -0.0,
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        "sha256": "de18122bc491b5d57e7849c7e53a42171f5bf4f02c1a7108e8d2054a854fa6a7",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Infineon Technologies",
      "Package": "TO-252",
      "Category": "Power Management (PMIC)",
      "Pins": "4"
    }
  },
  "variants": [
    {
      "mpn": "BTS3046SDRATMA1",
      "kind": "packaging"
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  ],
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  "discovery_pitch": "BTS3046SDRATMA1 (Infineon Technologies) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "updated_at": "2026-09-24T18:14:56.320Z"
}