The TPS2110PWRG4 from Texas Instruments is a versatile auto-switching power multiplexer that adds a significant level of power supply flexibility to a wide range of applications. This highly integrated IC is designed to seamlessly switch between two power sources, making it an ideal solution for dual-supply systems where automatic or manual selection between power sources is necessary.

Key Features

• Input Voltage Range: The TPS2110PWRG4 operates with an input voltage range from 2.8V to 5.5V, accommodating a variety of power sources including USB, Li-Ion batteries, and other standard power rails.
• Current Handling: This power multiplexer can handle continuous current up to 1A, making it suitable for a broad range of applications from portable devices to fixed power supply systems.
• Low On-Resistance: The device features a low on-resistance (rON) of typically 80mΩ, which helps in reducing power loss and improving efficiency.
• Control and Configuration: It offers an automatic switching feature that enables seamless transition between sources without the need for external control. Additionally, it can be manually controlled through a digital select input.
• Protection Features: The TPS2110PWRG4 includes under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown to ensure reliable operation under various conditions.
• Package: It is available in a compact TSSOP-8 (PWR) package, which is ideal for space-constrained applications.

Applications

The TPS2110PWRG4 is a highly adaptable component suitable for a wide array of applications, including:

• Redundant power supply systems
• Power supply ORing
• Battery-powered devices
• Handheld instruments
• Portable media players

With its combination of features, the TPS2110PWRG4 is an excellent choice for designers looking for a reliable power multiplexer that can manage multiple power sources in their systems. Its ease of use, protection features, and small footprint make it a versatile component for any power management solution.