Programmable H-bridge gate driver for automotive applications
Ideal for the most demanding environments
Flexible DC motor control solution with our automotive H-bridge pre-driver improves ECU designs
Designed to drive 4 external N-channel MOSFET transistors, the L99H92 is ideal for DC motor control in a single H-bridge or dual independent half-bridge configuration. Fully compliant with automotive requirements and able to easily adapt external power stages to different needs, the same device can be used for several electronic applications.
Key features
- AEC-Q100 qualified
- Power supply operating range 4.51 to 28 V
- Single full H-bridge or dual independent half-bridge configuration
- Dual stage charge pump
- Programmable gate driving current
- Programmable drain-source monitoring
- Programmable diagnostic output
- Two independent current sense amplifiers
- Low quiescent current
- Independent fail-safe input
Application examples
Sliding doors
Sun-roofs
Window Lifters
Parking brake
Recommended resources
Automotive DC motor pre-driver from STMicroelectronics simplifies EMI optimization and saves power
Automotive DC motor pre-driver from STMicroelectronics simplifies EMI optimization and saves power
The L99H92 automotive gate driver from STMicroelectronics provides an SPI port for programming and diagnostics, a charge pump, protective features, and two additional current-sense amplifiers for system monitoring.
Configurable H-bridge gate driver for automotive applications
Configurable H-bridge gate driver for automotive applications
Discover more about this dual half-bridge or single H-bridge pre-driver with EMI optimization, current sensing configurability and advanced diagnostics.
Window lift DC motor control application board based on the L99H92 gate driver and an external MCU
Window lift DC motor control application board based on the L99H92 gate driver and an external MCU
This compact board for evaluating window lift designs ensures high safety levels and includes an anti-pinch mechanism based on three different types of current sensing with adjustable gain for opening the window in adverse weather conditions, for example, in case of ice. The board also offers three diagnostic features to detect potential short-to-ground, short-to-battery, and open load conditions when the device is in the off state.