TPS3808G12DBVT Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1

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Overview

The TPS3808G12DBVT is a low-power precision voltage supervisor integrated circuit (IC) that is designed for use in industrial and automotive applications, as well as other high-speed, high-precision systems. It is manufactured by Texas Instruments (TI) and is suitable for use in voltage monitoring, automotive safety, and industrial safety applications. This IC provides a wide variety of features that make it ideal for use in these and other applications.

Application Field and Working Principle

The TPS3808G12DBVT is a universal power-on reset supervisor and undervoltage detection device. This device is designed to help monitor and prevent unexpected microprocessor resets due to low supply voltage and excessive current consumption spikes. It can monitor up to three power supplies and reset the microprocessor in the event of any of the three power supplies dropping below the programmed undervoltage threshold. The TPS3808G12DBVT also has a reset output and an active-low push-pull open drain reset output. Furthermore, it has a timer that prohibits the reset output from being driven below the minimum reset low time, a watchdog timer input, and a push-pull output power resistor preset voltage. The TPS3808G12DBVT is also capable of detecting an overvoltage/undervoltage condition, as well as a power loss, and it can provide a warning signal to alert the system of the status of any of the monitored power supplies. This IC can be used with any microprocessor regardless of its type, and it provides the capability to monitor three different power supplies. In addition, this IC has low power consumption and low noise levels, so it is suitable for use in battery-powered and low-power applications. Moreover, it is designed to be able to operate in a wide range of temperatures, making it an ideal choice for industrial and automotive applications.

Features

The TPS3808G12DBVT offers a wide variety of features to meet the needs of many different applications. It has a wide operating temperature range from -40°C to 125°C, which makes it suitable for use in automotive and industrial applications. The device also has a low standby current of 40µA and active current of 350µA, making it one of the most power-efficient voltage monitor devices currently available. It is also capable of monitoring three power supplies, as well as providing a warning signal when any of the monitored power supplies reaches an unacceptable level. The device also includes a push-pull output power resistor, a watchdog timer input, and a low noise level of ≤7.0mV RMS (10Hz-100kHz). The TPS3808G12DBVT is capable of functioning as an undervoltage detection circuit as well. This feature enables it to detect any sudden drops in the power supply voltage, and send a signal to the microprocessor to prevent any unexpected reset due to low voltage. Moreover, this device provides several reset options, including a manual reset input, a power-on reset output, and a push-pull open drain reset output. It is also compatible with a wide variety of microprocessor types ranging from 5V variants to 24V variants.

Conclusion

The TPS3808G12DBVT is a power-on reset supervisor and undervoltage detection device manufactured by Texas Instruments that is suitable for use in voltage monitoring, automotive safety, and industrial safety applications. This device is designed to help monitor and prevent unexpected microprocessor resets due to low supply voltage and excessive current consumption spikes. It provides a wide variety of features that make it an ideal choice for industrial and automotive applications due to its low power consumption, wide operating temperature range, wide compatibility with microprocessor types, and several reset options. Furthermore, it has a reset output and an active-low push-pull open drain reset output, as well as a timer that prohibits the reset output from being driven below the minimum reset low time. Overall, the TPS3808G12DBVT is a great solution for power-on reset supervision and undervoltage detection applications.

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