8-channel low-side driver in space-saving leadless package

with diagnostics, protection, and failsafe limp-home mode

Powerful features in a compact footprint

Powerful features in a compact footprint

The L9800 features smart diagnostics, including overcurrent and thermal shutdown, ensuring reliable load control. It operates safely during cranking with battery voltage as low as 3V. This ISO 26262 ASIL-B compliant 8-channel low-side driver, in a compact 4x4mm TFQFN24 package, supports SPI control and emergency parallel inputs for limp-home mode, even without digital supply, making it ideal for space-constrained automotive applications.

Body control modules (BCMs)

HVAC and climate control

LED lighting system

Power distribution

Your path to faster prototyping

Experience the full capabilities of the L9800 with the STEVAL-L9800 evaluation board. This comprehensive ecosystem provides everything you need for rapid prototyping, testing, and integration. Paired with the intuitive graphical user interface software (STSW-L9800GUI), you can easily configure parameters, monitor performance, and debug your applications in real-time. Speed up your time-to-market and simplify your development cycle with a proven, ready-to-use platform.

L9800

L9800 8-channel low-side driver

Compact 8-channel low-side switch (TFQFN24) for automotive loads. Features SPI/parallel input, comprehensive diagnostics, limp-home, daisy chain, and robust 3V cranking.

STEVAL-L9800 evaluation board

STEVAL-L9800 evaluation board

Evaluation board for L9800 8-channel automotive LS driver. Enables control and diagnosis via SPI/parallel inputs, supports limp-home, and GUI integration with AEK-MCU-C1MLIT1.