TPS3780CDBVR

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The TPS3780CDBVR belongs to the family of Programmable Supervisors from Texas Instruments. These supervisors are designed to monitor and regulate the information input by the voltage host, making sure the safety and reliability of system power management. It is widely applied in industrial and consumer level devices, with some of its major applications being in computers, servers, battery applications and other consumer electronics. The TPS3780CDBVR provides a stable and accurate environment that helps maintain data integrity in these applications. It features an adjustable factory programmable brown-out threshold (BOD) with resistive divider input and an adjustable reset timeout delay that provides a desired level of accuracy when power is lost or a fault is detected.

The key features of the TPS3780CDBVR include an active-low power-good (PG) output, a power on reset (POR) output, an adjustable BOD output and an adjustable threshold voltage. These features provide an accurate indication of system power supply levels, ensuring the integrity of data within the system. Additionally, the TPS3780CDBVR provides diagnostic reset functionality; when a fault or error is detected, the device can issue a reset output to return the system to the last known good state.

The working principle of the TPS3780CDBVR is based on a resistive divider that is used to generate a voltage for BOD comparison. When the voltage generated by the divider is less than the programmed threshold, the BOD output turns ON, indicating that power is below the programmed threshold. It is also possible to program the BOD output to become active if the voltage reaches a higher threshold, providing additional protection against overvoltage and excessive power consumption.

The reset timeout delay of the TPS3780CDBVR is adjustable and allows a system designer to quickly find the most optimal reset timeout that suits their power system. This feature is useful in ensuring the safety and reliability of the system since a sudden drop or rise in voltage can cause unexpected rebooting if the reset timeout is set too low. Additionally, the reset timeout prevents the system from resetting too often and allows the system to operate in a stable and reliable state as long as the power is within predefined levels.

The TPS3780CDBVR from Texas Instruments is a versatile power management device that is ideal for industrial and consumer level systems. It provides the required control and accuracy for monitoring and protecting the power supply of a vast array of electrical devices. It features an adjustable BOD and adjustable reset timeout that help ensure the stability and reliability of system power management, ensuring the integrity and safety of data within the system.

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