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U6813B - Fail-safe IC with High-side and Relay Driver

General Description

The function of microcontrollers in safety-critical applications (e.g., anti-lock systems) needs to be monitored permanently.

Usually, this task is accomplished by an independent watchdog timer.

Key Features

  • Digital Self-supervising Watchdog with Hysteresis One 150-mA Output Driver for Relay One High-side Driver for N-channel Power FET Positive and Negative Enable Output Positive and Negative Reset Output Over/Under-voltage Detection Relay and Power FET Outputs Protected Against Standard Transients and 55-V Load Dump.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Features • • • • • • • Digital Self-supervising Watchdog with Hysteresis One 150-mA Output Driver for Relay One High-side Driver for N-channel Power FET Positive and Negative Enable Output Positive and Negative Reset Output Over/Under-voltage Detection Relay and Power FET Outputs Protected Against Standard Transients and 55-V Load Dump Description The function of microcontrollers in safety-critical applications (e.g., anti-lock systems) needs to be monitored permanently. Usually, this task is accomplished by an independent watchdog timer. The monolithic IC U6813B, designed in bipolar technology and qualified according to the needs of the automotive industry, includes such a watchdog timer and provides additional features for added value.