TPS25821DSSR

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The TPS25821DSSR is a programmable current-limiting switch designed to protect against over-current conditions in a number of applications, including USB power-distribution and charging systems. This IC is designed to help improve the system robustness and minimize the impact of slew rate, reverse-current and power-loss faults, as well as other operation issues. It provides a programmable detection voltage threshold and provides hysteresis and fault-detection to help reduce the occurrence of false tripping. Additionally, this IC offers a wide range of voltage levels up to 6V, giving designers flexibility for systems that require specialized current-limiting solutions.

This IC is typically found in applications such as consumer electronics, automotive, and industrial motor control. In consumer electronics, the TPS25821 devices are commonly used to regulate power delivery in USB-PD (Power Delivery) systems. The USB-PD systems require a switch that is able to limit the current and detect a fault condition in which the current exceeds the limit. By monitoring the output current, the IC can ensure that the system current is within specified limits and reduce the likelihood of over-current conditions, which can damage the system.

The TPS25821DSSR also provides fault-detection capabilities that help reduce the occurrence of false tripping in power-distribution systems. The device monitors the system voltage at the source and the load, and if the voltage at the source is greater than the voltage at the load, the device will detect a fault condition and trigger the safety mechanism. This helps reduce the occurrence of false tripping and allow the system to continue to operate safely. Additionally, the IC also features a slew-rate limit to ensure that the load is not damaged by over-current conditions.

In automotive applications, the TPS25821 can be used to regulate power delivery in systems such as navigation systems, airbag controllers, and climate control systems. By providing a programmable current-limiting switch, the IC helps improve system robustness and reduce the likelihood of over-current conditions in these applications. Additionally, the device can help protect against reverse-current and power-loss conditions, as well as other system faults.

In industrial motor control applications, the TPS25821 can be used to protect the motor from over-current conditions. The device monitors the output current and triggers a safety mechanism if the current exceeds the limit. Additionally, the device provides hysteresis and fault-detection capabilities, which help reduce the occurrence of false tripping and allow the system to continue to operate safely.

The TPS25821DSSR is a versatile current-limiting switch that can be used to protect against a variety of system faults. This IC helps improve system robustness and reduce the likelihood of over-current conditions in applications such as consumer electronics, automotive, and industrial motor control. Additionally, the device provides a programmable detection voltage threshold and hysteresis and fault-detection capabilities, which help reduce the occurrence of false tripping and allow the system to continue to operate safely.

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