TPS389012QDSERQ1

Series:	Automotive, AEC-Q100
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	1.2V
Operating Temperature:	-40°C ~ 125°C (TJ)

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PMIC - SupervisorsThe TPS389012QDSERQ1 is a high performance, ultra-low quiescent current, and low power-loss Supervisors IC, that comprises a reset circuit, voltage detector circuit, watchdog and delay reset circuit. It is designed to detect voltage deviation and switch the power to an appropriate state in a wide range of applications. It can be used in consumer products ranging from simple household electronics to PCs and networking equipment, as well as in industrial, automotive and automotive-electronics.Application of TPS389012QDSERQ1 The TPS389012QDSERQ1 supervisors IC can be used in any application that requires monitoring of voltage levels. It is ideally suited for devices that employ logic-level power supplies, such as digital signal processors, microcontrollers, FPGAs, ASICs, embedded controllers and CPUs. It can also be used in mobile and laptop devices where battery management is critical, as well as in industrial equipment, automobiles, and other large systems.With its wide range on operating voltages—from 1.5Vminimum to 6V maximum—the TPS389012QDSERQ1 supervisors IC is ideal for battery-powered systems. It is capable of resetting or powering up the entire system. It can also be used to detect and control system power failures in the presence of brownouts, voltage spikes and EMI interference. This means that the TPS389012QDSERQ1 supervisors IC can be used in critical applications such as aerospace, medical and industrial systems that are exposed to hazardous environments. As a voltage supervisor, the TPS389012QDSERQ1 supervisors IC can detect voltage fluctuations in the system and reset the system when required. It is capable of resetting the system in either synchronous or asynchronous modes. The monitored voltage can range from 1.5V to 6V, with adjustable thresholds and timing characteristics.Working Principle The TPS389012QDSERQ1 supervisors IC uses two comparators and two voltage detectors to monitor voltage levels in the system. It can detect both rising and falling voltage levels and trip the reset function accordingly. The reset settings are configurable via external crossovers and pull-up/down resistors.The integrated reset circuit is designed to provide an active-low reset signal to the microcontroller or digital logic, enabling it to detect power failure and reset the system immediately. This ensures that the system is restored to its normal state in the event of an unexpected power interruption.The integrated voltage monitor functions by comparing the voltage level to a reference voltage. It can be configured to detect both rising and falling voltages. It is capable of detecting small or large voltage changes and generating a reset or active-low output for each.ConclusionThe TPS389012QDSERQ1 supervisors IC from Texas Instruments is an impressive, high performance and ultra-low quiescent current, low power-loss voltage detector. It is an ideal solution for applications that need to monitor the voltage levels and reset or power the system in response. Its wide range of operating voltages, adjustable reset thresholds and integrated reset circuit makes it suitable for use in a variety of critical systems, such as medical, industrial and automotive applications.

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