Diodes Incorporated expands its IntelliFET portfolio with the introduction of three automotive-compliant* high-side power switches. The second-generation single-channel ZXMS81030SPQ and dual-channel ZXMS82030S14PQ and ZXMS82045S14PQ switches handle high inrush current loads while delivering robust protection and diagnostic capabilities for both the device and load. The devices are a smaller, higher reliability alternative to relays, fuses, and discrete devices for driving 12V automotive loads, such as motors in body and seat control modules, HVAC systems, and lighting applications.
Each device features a vertical DMOS N-channel MOSFET and an integrated controller that protects against short circuits, manages inrush currents, and safeguards against overvoltage conditions, including load dumps. In addition, the switches provide overtemperature protection with auto-restart, alongside protection against electrostatic discharge (ESD) damage. Loss of ground and reverse polarity protection can also be implemented with minimal external components. Onboard diagnostics detect fault conditions and self-protection events, including open load, overload, and overtemperature shutdown.
The ZXMS81030SPQ is available in the SO-8EP and the ZXMS82030S14PQ and ZXMS82045S14PQ are available in the SO-14EP package. Both packages feature exposed underside heatsinks and are thermally efficient. The ZXMS81030SPQ is available at $0.38 and the ZXMS82030S14PQ and ZXMS82045S14PQ are available at $0.71 in 1,000-piece quantities.
The devices are being exhibited at electronica 2026 on Diodes’ Booth 211 in Hall C6 as part of the company’s 48V power tree demonstration, which showcases technologies for efficient power distribution and load control in evolving automotive power architectures. Within the demo, the IntelliFET is used as a load switch, providing a switched 12V output with its associated protection and diagnostic features.
