TPS2421-1EVM-02

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The TPS2421-1EVM-02 is an evaluation and demonstration board and kit designed to help engineers evaluate the capabilities of the TPS2421-1, a single wire Hot Swapping controller. It is capable of delivering intelligent, one-wire Hot Swap functions for up to 12V load applications. This board and kit provides a platform for testing and demonstrating the TPS2421-1 and its capabilities.

The TPS2421-1 was designed as a Hot Swapping IC to facilitate the insertion and removal of a load into a circuit, while minimizing the risk of damage to the system due to incorrect supply voltage applied. It enables such protection at up to 12V and is offered in a 3mm x 3mm QFN-14 package. Additionally, the device includes four configurable pins which allow a wider range of applications to be supported.

The TPS2421-1EVM-02’s main features include:

• A driving circuit that is designed to accommodate up to 12V at 400mA.
• A suppression circuit which improves the hot swapping damping response.
• An IC under-voltage lockout, overvoltage lockout, and pH/PVF flag.
• The kit has several applications boards which allow for testing of different output types.
• Full evaluation of all the features of the TPS2421-1.

The concept of Hot Swapping is centred around the prevention of damage being done to a system by supplying the wrong voltage to a load. To prevent such damage, the TPS2421-1 utilizes a detection circuit which senses the voltage and current at the load. This information is then used to trigger overvoltage lockout and undervoltage lockout conditions, as well as determining whether or not the load is correctly attached. Whenever these conditions occur, the output of the IC is inhibited, creating a safe environment for the equipment.

The TPS2421-1EVM-02 board provides an engineering platform for full evaluation of the TPS2421-1 IC and its related functions. It comes with several application boards which allow different types of testing. For instance, the board supports testing of multiple output types, such as open drain, open collector, boost boosters, and external controlled shut-off. Additionally, all of the features of the TPS2421-1 can be tested and validated.

In summary, the TPS2421-1EVM-02 evaluation board and kit is designed to help engineers to quickly evaluate the features of the TPS2421-1 single wire Hot Swapping controller. The kit includes several application boards which allow for testing of multiple output types, as well as full evaluation of all the features of the controller. The platform provides a safe environment for testing and validating the TPS2421-1, enabling design engineers to make informed decisions when incorporating Hot Swapping technology into their products.

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