TPS259573DSGT

TPS259573DSGT application field and working principle

Power management integrated circuits are ubiquitousbut often misunderstood and overlooked. An important component of a quality power supply, smart power management often increases the flexibility of a power delivery design. PMIC – Hot Swap Controllers like the TPS259573DSGT enable the safe insertion of power into a system while protecting it from thermal and electrical damage. In this article we will look at the TPS259573DSGT PMIC – Hot Swap Controller application field and working principle.

TPS259573DSGT – Overview

The TPS259573DSGT is an integrated hot swap power switch providing circuit protection with current and voltage monitoring. The TPS259573DSGT is a single-phase, non-synchronous, hot swap controller cell rated to enable up to 8 A continuous current handling capability. It contains an integrated high-side N-channel MOSFET, current limit circuitry and thermal/over-voltage protection. The device features adjustable voltage and current protection, adjustable soft-start, adjustable inrush current limits, dual level current limit and thermal protections. The TPS259573DSGT operates over an input voltage range of 4 V to 28 V and is available in the 5-pin SOT-23 power package.

TPS259573DSGT Application Fields

The TPS259573DSGT has been designed for input voltage hot swap applications, especially in distributed power systems. It can be used in hot swap rack power supplies, redundant power circuit design and N+M redundancy system design. It is suitable for automotive applications, led lighting, consumer electronics, industrial and computers, networking, and telecom.

TPS259573DSGT Working Principle

The TPS259573DSGT PMIC – Hot Swap Controller features integrated high-side N-channel MOSFET that provides accurate current monitoring and protection, guarantee soft start and safe disconnect features. The current limit can be adjusted to protect the system from unexpected high current flows. The interval between current fault cycles can be configured using capacitors which ensures a seamless and safe insertion of power. When the monitored voltage exceeds a set upper and lower threshold, the device will automatically shut down. The TPS259573DSGT provides an accurate voltage and current monitor, easy adjustable limits and hysteretic thermostat protection.

Conclusion

The TPS259573DSGT PMIC – Hot Swap Controller is designed to provide over-current and over-temperature protection for hot swap applications in a wide range of applications which require quick insertion and disconnection capabilities. With its adjustable voltage and current monitoring and protection, adjustable soft-start and adjustable inrush current limits, the TPS259573DSGT is ideal for distributed power systems.