TPS24713DGSR

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Power Management Integrated Circuit (PMIC) solutions are essential to the design of a wide array of system solutions. PMIC solutions enable designers to minimize the component count and board space required in their designs. They also enable designers to meet regulatory and performance requirements, and integrate features such as Protection, monitoring, and communications. Hot Swap Controllers, specifically, allow devices to be inserted and removed from live systems without impacting normal system operations. The TPS24713DGSR is a Hot Swap Controller solution, designed to provide power management features for 3.3V and 5V systems.

Overview

The TPS24713DGSR Hot Swap Controllers is a wide input, low-voltage, dual voltage Hot Swap controller with programmable inrush current limit and active overtemperature protection. The device provides accurate system control while protecting the system from damage due to overloads, short circuit and over temperature. The host can monitor device temperature, current, voltage and other system events. By precisely controlling the current, the TPS24713DGSR can reduce input power noise and minimize overall power dissipation significantly compared to discrete implementations, allowing for higher system efficiency.

Application Field

The TPS24713DGSR is suitable for a variety of battery powered and hot swappable systems, including PoE and other power-over- Ethernet applications. The combination of programmable over-current and overtemperature protection makes the TPS24713DGSR perfect for a wide range of consumer and communication applications. The device also provides an ideal solution for Hot Plug/Coldplug applications, such as servers, storage, and USB devices, due to its combination of programmable current limit and programmable lockout.

Features and Benefits

The TPS24713DGSR offers several key features that make it well-suited to Hot Swap applications:

• Wide input voltage range (2.37V to 7V): The TPS24713DGSR provides a wide input voltage range, allowing for a wide range of application scenarios.
• Current and Voltage Capability: The TPS24713DGSR is capable of handling up to 8A of continuous current, and supports up to 10A of peak current. It can also support up to 5.5V at the output.
• Programmable Inrush Current Limit: The TPS24713DGSR can be programmed to limit the inrush current, preventing large power-on surges and driving up system efficiency.
• Programmable OverTemperature Protection: The TPS24713DGSR can be programmed to detect and shut down system operations if it detects overtemperature conditions.
• System Monitoring: The TPS24713DGSR provides system monitoring capabilities, allowing the host to monitor device temperature, current, voltage, and other system events.

Working Principle

The TPS24713DGSR uses a series of sensing circuits to detect current flow and monitor system parameters. An external error amplifier sets the desired current level and the current sense amplifier then compares this level to the actual current. When the desired level is exceeded, the output begins to turn off, automatically limiting the current.

The device can be configured to limit the inrush current through the use of external resistors and capacitors. The device monitors for overtemperature conditions using an integrated temperature sensor and automatically shuts down system operations if an over temperature condition is detected.

The host can monitor device temperature, current, voltage and other system events. If a fault condition is detected, the TPS24713DGSR will automatically shut down system operations. The device can be configured to work in either an active low or active high configuration and includes integrated protection circuits to ensure that the system remains safe under all fault conditions.

Conclusion

The TPS24713DGSR is a feature-rich power management solution for Hot Swap applications. With wide input voltage range, programmable current limit, programmable overtemperature protection and system monitoring features, the TPS24713DGSR enables designers to quickly and easily implement safe, reliable hot-swap systems with minimal external components.

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