PROFET® BTS 442 E2 is a high-side power switch from Dinghao Electronics. It features overload protection, current limiting, short-circuit protection, thermal shutdown, overvoltage protection (including load dump), fast demagnetization, reverse battery protection, undervoltage and overvoltage shutdown, open drain diagnostic output, open load detection, etc.
The PROFET BTS 442 E2 is a smart high‑side power switch that integrates over‑voltage, short‑circuit, thermal shutdown, and reverse‑battery protection. It is designed for 12 V and 24 V DC grounded loads and can replace electromechanical relays in resistive, inductive, and capacitive applications.
The document provides pin definitions, maximum ratings, electrical characteristics, protection functions, diagnostic features, and package dimensions for the TO‑220AB/5 version of the device.