MAX6710BUT+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	4
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	2.32V, 3.08V, 4.63V, Adj
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-6
Supplier Device Package:	SOT-23-6
Base Part Number:	MAX6710

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Introduction

The MAX6710BUT+T is a PMIC (Power Management Integrated Circuit) Supervisors that monitors the output voltage of a linear regulator in order to detect a fault condition. This device serves as both an overvoltage protection and an undervoltage lockout. It integrates both a voltage supervisor and an overvoltage protector, eliminating the need for external components and offering significant cost savings. It also has a wide adjustable threshold (SET) range and a low-power sleep mode. This article will discuss the application field and working principle of MAX6710BUT+T.

Application Field

The MAX6710BUT+T application is extremely wide, ranging from automotive and industrial to home appliance and consumer electronics. In automotive applications, the MAX6710BUT+T monitors power-supply voltages for automotive systems such as airbag deployment and fuel pump control, thereby enhancing system safety. In addition, it protects against overvolting in adaptive headlights and automatic braking systems. In industrial applications, the MAX6710BUT+T increases system reliability by accurately and quickly detecting a fault condition. It maintains system stability and provides secure overvoltage protection for automated assembly systems, control systems, and sensor networks. In home appliance and consumer electronics applications, the MAX6710BUT+T provides overvoltage protection and undervoltage lockout for microprocessor-controlled systems, such as washing machines, refrigerators, and televisions.

Working Principle

The MAX6710BUT+T integrates a supervisor circuit, an adjustable overvoltage (OVP) comparator circuit, and two voltage references. The supervisor circuits detects when the power supply voltage falls below the threshold set by the user. When the power supply voltage drops below the preset threshold, the supervisor outputs a low signal to the OVP comparator circuit. The OVP comparator circuit then compares the power supply voltage with an internal reference level and keeps the output low when the power supply voltage is higher than the reference voltage. When the power supply voltage falls below the internal reference voltage, the OVP comparator circuit drives its output to a high state.The MAX6710BUT+T also includes two voltage references for the supervisor circuit and OVP comparator circuits. Both references have an adjustable voltage range and voltage thresholds. The supervisor reference voltage is adjustable from 2V to 5.5V, and the OVP comparator reference voltage is adjustable from 0V to 5.5V. The MAX6710BUT+T also has a low-power sleep mode that reduces power consumption by up to 75%. This makes it well-suited for battery-powered applications.

Conclusion

The MAX6710BUT+T is a versatile power management integrated circuit that can be used for a wide range of applications, from automotive to home appliance. It integrates both a supervisor circuit and an adjustable overvoltage comparator circuit, combining the benefits of overvoltage protection and undervoltage lockouts. The MAX6710BUT+T also has a low-power sleep mode that reduces power consumption and makes it ideal for battery-powered applications.

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