PROFET® BTS 542 E2 is a smart high-side power switch with overload protection, current limitation, short-circuit protection, thermal shutdown, overvoltage protection, fast demagnetization of inductive loads, reverse battery protection, undervoltage and overvoltage shutdown, open drain diagnostic output, open load detection, CMOS compatible input, loss of ground and loss of Vbb protection, electrostatic discharge protection.
The PROFET BTS 542 E2 is a smart high‑side power switch that integrates overload, over‑voltage, short‑circuit, thermal shutdown, reverse‑battery and ESD protection. It is designed to replace electromechanical relays for resistive, inductive and capacitive loads and includes diagnostic outputs for open‑load and status monitoring.
The document provides pin assignments, maximum ratings, electrical characteristics, protection functions, diagnostic behavior, truth tables and package dimensions. Key parameters such as supply voltage, on‑state resistance, load current capability and thermal limits are listed for design reference.
| Supply voltage (over‑voltage protection) | 63 V |
|---|---|
| Maximum load current (self‑limited) | 21 A |
| Power dissipation (DC) | 167 W |
| Operating temperature range | -40 °C … +150 °C |
| Thermal resistance (chip‑case) | < 0.75 K/W |
| Input voltage (DC) | -0.5 V … +6 V |
| ESD protection (HBM) | 2.0 kV |
The device can tolerate up to 63 V supply voltage.
The datasheet lists a maximum DC power dissipation of 167 W.