TPS22968NQ1EVM

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TPS22968NQ1EVM is a high­power single­channel load switch. It is an extremely efficient and space­saving digital load switch that provides a programmable control for high current load switching in various regulation circuits. The product is part of the Texas Instrument’s (TI’s) Evaluation and Demonstration Boards and Kits and specifically promises to provide high current dense switching and smooth transition of power.

The application of the TPS22968NQ1EVM can be found in a variety of systems, including vehicles, hot­wheels, drones, industrial systems, IoT and healthcare systems. It provides efficient switching of power in situations where space is limited or where the load current level is high. This load switch is especially suitable for applications with a wide supply voltage range of 2.5V to 5.5V. It’s capable of carrying up to 5.5V and 30A current.

TPS22968NQ1EVM also features over­voltage protection (OVP) for the load current, as well as adjustable output ON/OFF delay for soft switching. It also supports "always on" and "always off” states and enables the load regardless of the EN logic states. These features give it a competitive edge in comparison to other load switches. TI’s TPS22968NQ1EVM also supports wide range of current sink and source configurations that offer both noise and voltage instantaneously along with optimized propagation delays.

The working principle of TPS22968NQ1EVM is based on digital MOSFETs technology. The load switch’s input (EN) pin controls the charge and discharge from the load side. This pin is used to enable and disable the load switch. When the input voltage (EN) level is high, the switch is enabled and the load current is flowing. When it is low, the switch is disabled and no current is flowing from the load.

The load switch also supports operational battery backup, which allows it to store and save data in non­volatile memory, even when the main supply has been disconnected. This ensures that the data is not lost, even in case of power outages. It also has thermal protection enabled, which turns off the switch when the temperature rises beyond the set limit. This helps increase the safety and reliability by preventing the circuit and load from getting damaged due to high temperatures.

In summary, the TPS22968NQ1EVM is a high­power single­channel load switch manufactured by Texas Instruments and part of its Evaluation and Demonstration Boards and Kits. This load switch is known for its high current dense switching and smooth transition of power. Its wide voltage range (2.5V to 5.5V), over­voltage protection, adjustable output ON/OFF delay, current sink and source configurations make it suitable for various applications. The working principle of the switch is based on digital MOSFETs technology.

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