TPS22921EVM

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TPS22921EVM is an evaluation module for TPS22921, a low RDS (ON) bidirectional load switch integrated circuit. This switch is designed to reduce power consumption in mobile device applications, such as tablet computers, cellular phones and other hand-held electronic devices. This application note provides a brief overview of the TPS22921EVM, its features, and its working principle.

The TPS22921EVM module is designed to demonstrate and evaluate the features and performance of the TPS22921 low RDS (ON) bidirectional load switch. It includes two dedicated demonstration boards for a single TPS22921 (VI/O board) and for a four channel TPS22921 (4VI/O board). It is also equipped with two power connectors with integrated power supplies; one for 12V/0.8A and one for 5V/2A.

The TPS22921EVM is used to evaluate the TPS22921 with a full complement of test features. It includes four channels of bidirectional load switching, which can be controlled via digital commands. The TPS22921EVM is designed to demonstrate the functionality of the TPS22921 and is used to measure its performance. Additionally, it provides the interface for controlling and configuring the TPS22921 chip using the I2C interface.

The basic working principle of this low voltage switch is simple. The power signal, from the power supply, passes through the power connector. The power signal is then routed through the power switch which is controlled by a voltage signal (VS) generated by the TPS22921 chip. When the voltage signal is below a prescribed threshold, the power switch is turned off and no current is allowed to pass through it. Conversely, when the voltage signal is above the threshold, the power switch is turned on, allowing current to pass through it.

The TPS22921 is an analog monolithic integrated circuit which offers automatic ON/OFF control of the device by a digital signal from any microprocessor or controller. This digital signal is provided via the I2C interface which is connected to the TPS22921 chip. The TPS22921EVM also includes dedicated I/O pins for monitoring the status of the TPS22921. This allows for testing and debugging of the TPS22921 and provides access to operational parameters such as input voltage, output current, and power on/off status.

TPS22921EVM is an effective solution for evaluating the performance of TPS22921. This evaluation module provides comprehensive features for testing and debugging the TPS22921 low RDS (ON) bidirectional load switch. It allows a user to evaluate its features and performance in a real-world environment. The hardware setup is plug-and-play and the software development kit is readily available to get started on the development.

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