TPS3831E16DQNR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	120 ms Minimum
Voltage - Threshold:	1.52V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	4-XDFN Exposed Pad
Supplier Device Package:	4-X2SON (1x1)
Base Part Number:	TPS3831

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Introduction

TPS3831E16DQNR is a high precision power supervisor IC, integrated using advanced CMOS technology which enables high accuracy voltage monitoring, reset generation and other features. This application field and working principle of the chip are discussed in this article.

Overview of TPS3831E16DQNR

TPS3831E16DQNR features a reset comparator, adjustable reset threshold and a time delay during power on. The chip is designed for use in applications that require power supply monitoring and voltage reset features for any microcontroller, microprocessor or DSP. The chip operates from 1.6V to 5.5V power supplies and is especially designed for low power applications. The chip has an integrated precision reference, temperature compensated voltage and current reference and a selectable reset threshold range up to 5.5V.

Application Field

The TPS3831E16DQNR can be used in various applications such as servers, embedded systems, medical devices, consumer electronics and automotive systems. The chip is typically used to monitor power supply voltages and generate reset signals for microcontrollers, microprocessors and digital signal processors. The chip is designed specifically for powering and monitoring microcontroller, microprocessor and DSP applications. Due to its low power operation and precise voltage threshold settings it is suitable for a wide range of applications.

Working Principle

The TPS3831E16DQNR is composed of two main blocks: the power supervisor unit and the reset generator. The power supervisor unit consists of a precision reference, temperature compensated voltage and current reference, a reset comparator, an adjustable reset threshold and a time delay. The reset generator generates a reset pulse when the monitored voltage reaches the specified threshold voltage. The reset pulse is adjustable over a wide range and is typically used to reset microcontrollers, microprocessors and digital signal processors. The power monitoring function of the TPS3831E16DQNR is based on a precise voltage reference. This precise reference is then compared with the power supply voltage through the reset comparator. When the power supply voltage reaches the threshold voltage, the comparator triggers the reset generator which then generates a reset pulse. The time delay setting allows the monitored voltage to drop below the threshold before reset is generated.

Conclusion

The TPS3831E16DQNR is a power supervisor IC designed for monitoring and resetting microcontroller, microprocessor and digital signal processor (DSP) systems. Its low power operation and precise voltage threshold settings make it suitable for a variety of applications such as servers, embedded systems, medical devices, consumer electronics and automotive systems. The chip is composed of two main blocks, the power supervisor unit and the reset generator, which perform the power monitoring and reset generation functions respectively.

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