TPS3898PDRYT

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	Adjustable/Selectable
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	6-UFDFN
Supplier Device Package:	6-SON (1.45x1)
Base Part Number:	TPS3898

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IntroductionThe TPS3898PDRYT is a supervisor device designed for voltage and current monitoring. It belongs to a class of devices commonly known as a PMIC supervisor, or power management integrated circuit, which is used to manage the power supply, temperature, and other components that have a direct effect on system performance. This supervised device is used to detect fluctuations in the power-supply voltage or current, and provide feedback to the controller so that necessary adjustments can be made to maintain optimal operating conditions.Features and ApplicationsThe TPS3898PDRYT is a robust power management device that utilizes multiple functions and features to ensure reliable power delivery and system stability. Its features include built-in high accuracy comparators, ultra-low power operation, a wide operating temperature range, and voltage and current sensing. Some of the key applications of the TPS3898PDRYT include power monitoring, temperature monitoring, and over-voltage and over-current protection for multiple-output supplies.Main CharacteristicsThe TPS3898PDRYT contains a variety of characteristics that make it well suited for applications requiring reliable performance and protection. For example, the device contains an internal voltage comparable that is capable of detecting fluctuations in voltages from 1.0V to 5.18V. This enables the device to monitor and regulate power supply behaviour and prevent any potential malfunctions or overloading due to voltage surges or drops. In addition, the device features very accurate temperature monitoring capabilities and is capable of detecting small differences in temperature as well as ensuring that the power supply temperature always remains within the prescribed range and limits. This helps to minimize the chance of any system malfunctions due to too high or too low a power supply temperature.The TPS3898PDRYT also comes with a wide operating temperature range, which makes it suitable for a variety of applications. The device can operate between -40°C and +85°C and can be used in environments with severe temperature fluctuations. The device also features a wide feedback voltage range, from 1.6V to 6.2V, providing flexibility for the user to select the optimal voltage levels for their application.Working PrincipleThe working principle of the TPS3898PDRYT is based on the detection of changes in the supply voltage or current, and triggering a response to maintain optimal operating conditions. When the voltage or current exceeds the pre-set levels, the device will shut down or reset the power supply to ensure that operations remain stable. In addition, it will provide feedback to the controller via a digital output with the current voltage or current readings to enable the controller to accurately adjust and monitor the power conditions.When the device detects an unsafe condition, it will set its output to a low logic state and notify the controller. A response from the controller can be triggered directly via the digital output, allowing for immediate corrective actions by the controller. This is done by adjusting the voltage or current in order to bring the system back to functioning normally.ConclusionThe TPS3898PDRYT is an excellent power management integrated circuit that is suitable for a variety of applications requiring reliable performance and protection. Its features, such as its accurate comparators, wide operating temperature range, and voltage and current sensing, make it well suited for monitoring, protection and optimized system performance to ensure system stability. The device also features an easy to use working principle with digital outputs that enables the controller to accurately register and respond to the changes in the power conditions and take corrective actions before any system malfunctions occur.

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