The TPS2115PW from Texas Instruments is a versatile auto-switching power multiplexer that is designed to seamlessly transition between two power sources. It is a robust solution for systems that require a reliable power supply, ensuring continuous operation even if one power source fails. The TPS2115PW is an ideal choice for applications requiring redundancy in power supply or for those that need to switch between battery and wall adapter power.

Key Features

• Wide Voltage Range: The device operates over a wide voltage range of 2.8 V to 5.5 V, making it suitable for a variety of low-power applications.
• Automatic Switching: It automatically selects the highest priority power source available, based on voltage levels, without the need for external control.
• Low R_ON: The TPS2115PW features a low on-resistance of typically 50 mΩ, minimizing voltage drop and power loss.
• Cross-Conduction Block: It incorporates a built-in block to prevent cross-conduction when switching between power sources.
• Power Good Outputs: Dual power-good outputs indicate whether the A or B power source is currently selected and delivering power to the load.
• Thermal Protection: The device includes over-temperature protection to safeguard against excessive heat conditions.

Applications

The TPS2115PW is suitable for a wide range of applications that require reliable power source selection. These include:

• Portable Devices
• Redundant Power Systems
• Docking Stations and Cradles
• Multi-Battery Systems

Package and Quality

The TPS2115PW is offered in a 8-pin TSSOP (PW) package, providing a compact footprint for space-constrained applications. Texas Instruments ensures high-quality standards, and the TPS2115PW is no exception, delivering performance and reliability that engineers around the world trust for their critical designs.