TPS2224APWPG4

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TPS2224APWPG4 is a low side power switches of power distribution switches, load drivers of PMIC (power management integrated circuit). It is designed to provide an integrated and easy-to-use solution for hot swap and load current protection applications.

TPS2224APWPG4 is controlled by an enable pin to turn on and turn off the load power. The load power is supplied from either a positive or negative rail, respectively. An internal circuit allows the device to extend the off-time once an over-current condition occurs, which helps to limit the overload current and protect the load.

The robustness and easy of use are the key features of the TPS2224APWPG4. It includes user-programmable features including adjustable maximum on-time, fault response timeout, and current limit levels. The device also includes status pins that indicate an over-current/over-temperature fault, as well as when the load is powered off. Additionally, the device can withstand an over-current fault up to 25A, or a short circuit fault up to 1000A.

The TPS2224APWPG4 is built to support a variety of industrial, automotive, telecom and consumer applications where paralleling a number of power electronic switches can provide higher current capacity, improved efficiency and better reliability. It is mainly used in applications for appliance motor drives, automotive, medical, and industrial.

This power device encompasses a protection circuit, which detects the over-current, over-voltage and over-temperature conditions. Then, it pulses the current limit and activates the fault output, disabling the load while informing the host controller of the fault. It can also perform several fail-safes by enabling a power-on reset and forcing the enable pin to a zero condition. All of these features combined offer an easy and reliable solution for over-current protection of power distribution systems.

The working principle of the TPS2224APWPG4 is very simple. When the enable pin is high, power can flow through the switch and the load can be powered. When the enable pin is low, power will be cut off and the load will be disabled. The device can also detect and respond to an over-current, over-temperature, or short circuit condition. If any of these conditions are detected, the output will be disabled and a fault output will be sent to the host controller. When the fault condition has been removed, the power can be restored and the load can be enabled.

In summary, the TPS2224APWPG4 is a low side power switch of power distribution switches and load drivers of PMIC (power management integrated circuit). It is designed to provide an integrated and easy-to-use solution for hot swap and load current protection applications, and it is mainly used in industrial, medical, and automotive applications. The working principle of the device is very simple - when the enable pin is high power can flow through the switch and the load can be powered, and when the enable pin is low power will be cut off and the load will be disabled.

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