STMicroelectronics

TDA7854

The TDA7854 is a monolithic integrated circuit designed and manufactured by STMicroelectronics. It is a high-performance full-bridge driver specifically designed for automotive and industrial applications.

Description:

The TDA7854 is a high-current full-bridge driver that can handle a continuous output current of up to 2.5A per channel. It is designed to drive solenoids, relays, and other inductive loads in automotive and industrial applications. The device is available in a compact SO-8 package, making it suitable for space-constrained applications.

Features:

1. High output current: The TDA7854 can handle a continuous output current of up to 2.5A per channel, making it suitable for driving high-current loads.
2. Wide operating voltage range: The device can operate from a supply voltage range of 4.75V to 40V, making it suitable for a wide range of applications.
3. Short-circuit protection: The TDA7854 features built-in short-circuit protection to prevent damage to the device and the connected load in case of a short circuit.
4. Thermal shutdown: The device features thermal shutdown protection to prevent damage due to overheating.
5. Low quiescent current: The TDA7854 has a low quiescent current of 2.5mA, which helps to minimize power consumption in battery-powered applications.
6. Active high or low enable input: The device features an active high or low enable input, allowing for easy control of the output stage.

Applications:

1. Automotive applications: The TDA7854 is commonly used in automotive applications such as fuel injector drivers, seat belt pretensioners, and airbag control systems.
2. Industrial applications: The device can also be used in industrial applications such as motor control, relay drivers, and solenoid drivers.
3. Battery-powered applications: Due to its low quiescent current, the TDA7854 is suitable for battery-powered applications where power consumption is a concern.

In summary, the TDA7854 is a high-performance full-bridge driver designed for automotive and industrial applications. Its high output current, wide operating voltage range, and built-in protection features make it an ideal choice for driving high-current loads in various applications.