Key facts
- Brand
- Infineon
- Model
- BTS443P
- Category
- Power Management
- Industry
- Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2012-04-06
Start here
Infineon BTS443P PROFET Smart High‑Side Power Switch Data Sheet
The Infineon BTS443P PROFET is a smart high‑side power switch that integrates reverse‑battery protection, short‑circuit limitation, overload, thermal shutdown, over‑voltage, loss‑of‑ground, loss‑of‑Vbb and ESD protection. It provides proportional load‑current sensing and diagnostic feedback for 12 V and 24 V DC grounded loads.
The document details pin functions, maximum ratings, thermal and electrical characteristics, diagnostic parameters, truth table operation, input‑circuit protection, and package information (TO‑252‑5‑1). It also includes ordering codes and regulatory notices.
Infineon BTS443P specifications
| On‑state resistance (R_ON) | 16 mΩ |
|---|---|
| Load current (I_L) | 2 A |
| Over‑voltage protection voltage | 61 V – 68 V |
| Package | TO‑252‑5‑1 (D‑Pak‑5) |
Source: Infineon BTS443P PROFET Smart High‑Side Power Switch Data Sheet
All Infineon BTS443P documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the on‑state resistance of the BTS443P?
The typical on‑state resistance is 16 mΩ.
What is the maximum load current the device can handle?
The device is rated for a load current of 2 A.
What is the maximum continuous load current of the BTS443P?
The device can continuously drive up to 2 A, and it can tolerate short‑circuit currents up to 110 A.
From: Infineon BTS443P PROFET Smart Highside Power Switch Data Sheet
Which protection functions are integrated in the BTS443P?
It includes reverse‑battery protection, over‑voltage (including load‑dump), short‑circuit, overload, thermal shutdown, and electrostatic‑discharge protection.
From: Infineon BTS443P PROFET Smart Highside Power Switch Data Sheet