TPS2064DRBR

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Power Distribution Switches, Load Drivers, are a key element in most power management designs, allowing system designers to manage electrical current to power various components of the specific application. The TPS2064DRBR device is a high-current power-distribution switch and load driver integrated circuit (IC). It is particularly suitable for applications with space-limited PCBs and hot-plugging systems.

Overview of Features

The TPS2064DRBR comes in a 4-mm × 4-mm VQFN package and offers a few salient features: linear current-limiting protection and inrush current-limiting protection, rated for a maximum voltage of 15 V and current of 16 A, built-in protection for overtemperature conditions, and a temperature gradient of 2°C/W.

Typical Applications

The TPS2064DRBR can be used in a multitude of applications where current needs to be managed, such as distributed power management in telecom, industrial, computer, and automotive infotainment systems.

For example, it is suitable for use in digital television (DTV) designs or digital signage as a load switch, as well as in automotive infotainment and industrial power-supply systems as a current limiter. It is also an excellent solution in communications systems, such as FET-based xDSL modem applications.

Working Principle

The TPS2064DRBR consists of an integrated NPN power transistor and several voltage-limiting circuits. The NPN power transistor is used as a switch between the input and the load, allowing for current to flow or be cut off. The voltage-limiting circuits include both a linear current-limited topology, which helps to protect against overcurrent conditions, and an inrush current-limited topology that provides protection against momentary high-inrush currents. This device is designed with an on-chip system-level temperature gradient of 2°C/W to ensure a reliable thermal environment. The TPS2064DRBR is designed to be turned on when there is a sudden change in current, as well as when a sustained high current status is reached.

Summary

The TPS2064DRBR is an advanced power-distribution switch and load driver IC that comes in a small, 4-mm × 4-mm VQFN package. It offers a host of features such as linear current-limiting protection and inrush current-limiting protection, rated for a maximum voltage of 15 V and current of 16 A, built-in protection for overtemperature conditions, and a temperature gradient of 2°C/W. The TPS2064DRBR can be used in applications with distributed power management in telecom, industrial, computer, and automotive infotainment systems and is an excellent choice for use in digital television (DTV) designs or digital signage, as well as in automotive infotainment and industrial power-supply systems. It utilizes an integrated NPN power transistor and several voltage-limiting circuits to manage current safely and effectively.

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