The TPS2111PWR is a versatile auto-switching power multiplexer from Texas Instruments, a leader in semiconductor solutions. This advanced component is designed to seamlessly transition between two power sources, making it ideal for systems that require a reliable backup power source or the ability to switch between two power supplies without interruption.

Key Features

• Automatic Switching: The TPS2111PWR can automatically switch between two power sources as needed, which is critical for maintaining uninterrupted operation in the event of a power failure or when a primary power source becomes unavailable.
• Wide Voltage Range: It operates over a broad voltage range from 2.8V to 5.5V, allowing it to accommodate a variety of power supplies and systems.
• Low On-Resistance: The device boasts a low on-resistance (rON) of typically 85 mΩ, ensuring minimal voltage drop and power loss during operation.
• Bidirectional Operation: The power multiplexer can conduct in both directions, which allows for flexibility in power flow management.
• Built-in Protection: It includes under-voltage lockout (UVLO) and over-current protection to safeguard against potential damage from abnormal operating conditions.
• Compact Packaging: Housed in a small TSSOP-8 package, the TPS2111PWR is designed for space-constrained applications.

Applications

The TPS2111PWR is suitable for a wide range of applications, including:

• Redundant power supply systems
• Portable and battery-powered devices
• Industrial and medical equipment
• Power supply or battery backup for memory or RTC

Conclusion

With its robust feature set and compact design, the TPS2111PWR from Texas Instruments is an excellent choice for engineers and designers looking to incorporate a reliable power switching solution into their systems. Its ability to manage power from dual sources with ease makes it a valuable component for ensuring continuous operation and protecting against power instability.