Infineon TLE6368R: A High-Performance 80 V Dual-Channel Low-Side Switch

In the realm of automotive and industrial electronics, the demand for robust, efficient, and intelligent power switching solutions is ever-increasing. Addressing this need, the Infineon TLE6368R emerges as a premier 80 V dual-channel low-side switch, engineered to deliver superior performance in demanding applications. This device integrates two independent channels, each capable of switching resistive or inductive loads with a continuous current of up to 1.5 A per channel, making it an ideal choice for driving solenoids, valves, relays, and lamps.

A standout feature of the TLE6368R is its high-voltage capability of 80 V, which provides exceptional resilience against load-dump and overvoltage transients commonly encountered in automotive environments. This ensures reliable operation and enhances the longevity of both the switch and the overall system. The device is built using Infineon's advanced SMART7 technology, which combines bipolar and CMOS structures with DMOS power elements. This integration results in low static power consumption, high efficiency, and robust protection features.

Comprehensive diagnostic and protection functions are integral to the TLE6368R, underscoring its design for safety and reliability. Each channel is equipped with overcurrent limitation, active short-circuit protection, and overtemperature shutdown. Furthermore, the device offers sophisticated diagnostic feedback via a current sense pin for each channel, enabling precise load current monitoring and early detection of faults such as open loads, short circuits to ground, or overtemperature conditions. This level of diagnostics is crucial for functional safety applications, aiding in system maintenance and failure prevention.

The TLE6368R also features low electromagnetic emission (EME) and high electromagnetic immunity (EMI), which are critical for meeting stringent automotive EMC standards. Its controlled slew rates and minimized switching losses contribute to cleaner operation without sacrificing performance. The inclusion of a serial peripheral interface (SPI) allows for detailed configuration and status readout, facilitating seamless communication with a host microcontroller and enabling advanced control strategies.

Housed in a compact and thermally efficient PG-DSO-20 package, the device is designed for space-constrained applications while ensuring effective heat dissipation. Its AEC-Q100 qualification guarantees that it meets the rigorous standards for automotive-grade components, ensuring reliability under the harshest conditions.

ICGOOODFIND: The Infineon TLE6368R stands out as a highly integrated, intelligent, and robust solution for low-side switching. Its blend of high-voltage resilience, advanced diagnostics, and compliance with automotive standards makes it a top-tier choice for designers seeking to enhance system reliability and performance in automotive body electronics, industrial automation, and beyond.

Keywords: Low-Side Switch, Automotive Grade, SMART7 Technology, Diagnostic Features, 80V Capability