MAX6726AKAZWD3+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	3
Output:	Push-Pull, Push-Pull
Reset:	Active High/Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	1.665V, 2.313V, Adj
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-8
Supplier Device Package:	SOT-23-8
Base Part Number:	MAX6726A

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Introduction

MAX6726AKAZWD3+T is a family of advanced power management integrated circuits (PMIC), designed to reduce system power consumption and enhance user experience. This PMIC supervisor device offers excellent system management features, including protection against over and under-voltage, brownouts, and over-temperature events, while also accurately and stably controlling output voltage across a wide variety of conditions. The family of PMIC Supervisors consists of four devices: MAX6726AVCZKD3+T, MAX6726AKAZWD3+T, MAX6726AKAZKM3+T and MAX6726AKACA3+T with distinct features for various application fields and requirements. In this article, we shall primarily focus on the MAX6726AKAZWD3+T device, including its application field and operating principle.

Features

The MAX6726AKAZWD3+T provides three power supply output channels, with a maximum output current of 1.5A per channel. It has built-in UVLO, over-current, and over-temperature protection for each output channel which assures a safe and stable operation. In addition to the integrated protection, the MAX6726AKAZWD3+T has an adjustable reset delay with two selectable reset modes, enabling the monitoring of Vcc, Vhev and Vi/O1voltage levels on the primary input power side and the enable signal on the secondary side, respectively. Furthermore, the device features programmable under-voltage lockout (UVLO) and adjustable pre-bias start-up settings to regulate output voltage accurately and to prevent over/under voltage events.

Application Field and Working Principle

The MAX6726AKAZWD3+T PMIC supervisor device was specially designed for applications such as automotive head units, multimedia equipment, and industrial equipment. The versatile MAX6726AKAZWD3+T PMIC supervisor device enhances reliability and extends the life of the system. It provides an integrated solution for voltage regulation and protection requirements, preventing system malfunctions due to over-voltage or under-voltage. It has been tested for automotive grade quality and has a temperature range of -40°C to 125°C.Max6726AKAZWD3+T PMIC supervisor device works by sensing voltage levels across primary and secondary lines. An internal clock is used to measure the voltages across the lines to determine whether the system is in over or under voltage conditions. If the voltage level reaches a threshold set by the user, the device will switch the power off and reset the system. It also monitors the temperature level and activates an alarm when it reaches the set temperature limit. To reduce the possibility of over and under voltage conditions, the device also has programmable UVLO and adjustable pre-bias settings.

Conclusion

The MAX6726AKAZWD3+T PMIC supervisor device offers a wide range of features and functions to improve system performance, enhance reliability, and extend system life. It is a cost-effective and reliable solution for integrated voltage regulation and protection requirements in applications such as automotive head units, multimedia equipment and industrial equipment.

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