TPS3898ADRYT

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The TPS3898ADRYT is a type of PMIC, or power management integrated circuit. It provides monitor and reset functions for systems which require reliable power supply. This supervisor chip is highly versatile, offering several embedded features to maximize safety and increase system availability. The TPS3898ADRYT presents a number of features that set it aside from other power management ICs, and it can be used in a wide range of applications.

Application Field

The application scenarios for using the TPS3898ADRYT are diverse. It is well-suited to controlling power in industrial and consumer electronics, such as home appliances, robots, wearables, and gaming consoles. The TPS3898ADRYT can also be used in battery-backed systems, for medical applications, and for other mission-critical applications. It can also be used in automotive, telecommunications, and power management products.

Working Principle

The TPS3898ADRYT operates on a reset-controlled principle. When power is applied to the IC, the RESET pin is held low and the timer is enabled. If the voltage at the RESET pin fails to reach the trip point within the start-up time, the reset is triggered and the output is set low. The output pin is then released and the reset sequence is repeated. After the RESET pin reaches the trip point, the TPS3898ADRYT then monitors the power supplies for a power-on-reset condition or a brown-out condition. In case the input power falls below the reset trip point, the output will be set low again and a reset event is generated. This reset-controlled operation allows the chip to protect the system from power loss or fluctuations.

The TPS3898ADRYT also has an over-temperature protection feature. When the junction temperature exceeds the trip point, the output is set low and a reset is generated. Once the junction temperature falls below the trip point, the reset is released and the output is set high.

The chip also has several customizable features. The start-up time can be adjusted, allowing users to set the chip to their specific needs. The reset trip point and over-temperature trip point can also be adjusted depending on the application. In addition, the TPS3898ADRYT features a watchdog timer to monitor system activity. This timer can be configured to prevent system failures due to code freezes.

Conclusion

The TPS3898ADRYT from TI is a reliable PMIC which provides reset and over-temperature protection for a wide range of applications. Its versatile features make it ideal for industrial, consumer electronics, medical, and automotive applications. The chip\'s adjustable start-up time, reset trip point and over-temperature trip point, and watchdog timer all make it a powerful tool for ensuring reliable power supply.

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