TPS389050LQDSERQ1 - Automotive Grade Voltage Supervisor from Texas Instruments

The TPS389050LQDSERQ1 is a high-precision voltage supervisor designed by Texas Instruments, specifically tailored for automotive applications. This device is engineered to monitor and maintain system integrity through voltage supervision, offering a crucial layer of protection for sensitive automotive electronics.

This robust component features a fixed-sense threshold voltage that ensures accurate monitoring. With a threshold accuracy of 0.75% over the full temperature range, the TPS389050LQDSERQ1 stands out for its precision in critical systems. The device operates over a temperature range of -40°C to +125°C, making it suitable for the harsh environments encountered in automotive applications.

The TPS389050LQDSERQ1 is highly configurable and comes with a manual reset input, which allows for system resets on demand. It also includes a watchdog timer that serves as an independent system monitor, ensuring that the system remains functional by resetting it in the event of a software anomaly or malfunction.

Texas Instruments has designed this voltage supervisor with a low supply current, which is a beneficial feature for power-sensitive applications. Additionally, the device is offered in a small, 6-pin X2SON package, making it an excellent choice for space-constrained applications where PCB real estate is at a premium.

The TPS389050LQDSERQ1 also boasts a power-on reset generator with a fixed delay time of 200 ms, providing a reliable start-up sequence for microcontrollers and other digital systems. Its automotive design qualification follows the AEC-Q100 Grade 1 standard, ensuring compliance with the stringent requirements of the automotive industry.

In summary, the TPS389050LQDSERQ1 from Texas Instruments is a versatile and reliable solution for voltage supervision in automotive electronics. Its precision, low power consumption, small package size, and robust feature set make it an ideal choice for ensuring the proper operation and safety of critical vehicle systems.