TPS2087DG4

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TPS2087DG4 Application Field and Working Principle

The TPS2087DG4 is a family of digital power distribution switches and load drivers from the PMIC – Power Distribution Switches, Load Drivers categories. It features very low power consumption, fast turn-on time, and low on-resistance.

The TPS2087DG4 is especially suited for applications like computer motherboards, network-attached storage (NAS) systems, server blades, graphics cards, and embedded systems, among others, where high-speed, efficient power management is highly desirable. It is also suitable for use in other applications like medical and consumer electronics where power efficiency, performance, and safety are of utmost importance.

Features

• 500kHz to 1.4MHz switching speeds
• Switching diodes for improved EMI reduction and faster turn-on
• Internal soft start at output power-up
• Over temperature and over voltage protection
• Very low power consumption and on-resistance
• 2mm x 3mm QFN package

Advantages

The TPS2087DG4 offers several advantages when compared to other digital power distribution switches and load drivers. Firstly, its fast turn-on time and low on-resistance helps reduce power loss in the power distribution network. Secondly, its internal soft start feature reduces stress on the output power converters and improves system reliability. Its low power consumption and over voltage and over temperature protection also make it ideal for applications in high-temperature environments and in high-power applications.

Working Principle

The TPS2087DG4 is a digital power distribution switch that works by rapidly switching on and off circuit connections to ensure efficient power distribution and decoupling. When the output voltage is low or no current is present, the switch is open and no current flows through the load. If a load is connected and current is present, the switches will close and current will be allowed to flow. By switching the loads on and off, the device can rapidly adjust current levels and maintain an optimal power distribution.

Multiple devices can also be connected in series or parallel for improved performance and increased power outputs. The TPS2087DG4 has built-in over voltage and over temperature protection, which helps prevent damage and optimizes power performance. In addition, the device comes with integrated switching diodes for EMI reduction and improved power efficiency.

Conclusion

The TPS2087DG4 digital power distribution switch is a very useful and efficient device for powering circuits with high current and power demands. It features low power consumption, fast turn-on time, and low on-resistance. In addition, it has built-in protection against over voltage and over temperature, as well as integrated switching diodes for EMI reduction and improved power efficiency. This makes it a great choice for applications that require fast, efficient, and reliable power distribution.

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