MAX6316LUK45BX+T

Series:	--
Packaging:	Strip
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	20 ms Minimum
Voltage - Threshold:	4.5V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	MAX6316

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Introduction

The MAX6316LUK45BX+T is a member of the family of PMIC (Power Management Integrated Circuit) Supervisors designed to provide system reset and power-fail monitoring. The device is a dual-channel reset supervisor that utilizes an internal voltage monitor to provide microprocessor reset and a power push-pull output to activate external power-fail circuitry. The MAX6316LUK45BX+T is available in a space-saving 10-pin SOIC package and features circuit protection during power sequencing.

Application Field

The MAX6316LUK45BX+T supervisor is designed primarily for applications in the field of high-end computing and workstations, designed to detect supply voltage disruptions and reset CPU\'s, memory, and memory controllers. Applications in this context include server farms, factory automation, and high-end HVAC and control systems.The MAX6316LUK45BX+T is also well-suited for a variety of applications requiring system monitoring, such as mainframe systems, high-end workstations, telecom/data communication systems, computing equipment and systems, and network equipment.

Working Principle

The MAX6316LUK45BX+T utilizes a multiple-voltage monitoring circuit consisting of an internal precision bandgap reference, a fast ramping comparator, and an array of precision voltage scaling resistors. This circuit monitors supply voltage during power-up, power-down, and normal operation.When a supply drop is detected, the MAX6316LUK45BX+T outputs a reset signal and activates the power-fail output, which can be used to activate external power-fail circuitry. The reset signal is held active until the supply voltage is restored to an acceptable level.The MAX6316LUK45BX+T also contains an on-chip watchdog timer that allows software to advance a monitorable signal to prevent reset assertion if the system hangs. When the watchdog timer reaches its timeout period (programmed with an external resistor), the reset output is asserted, removing power from the CPU.In addition, the MAX6316LUK45BX+T provides a variety of flexible configuration options via pin-programming and accessible through the I/O interface protocol. These configuration options include setting the reset signal active high or low, setting watchdog timeout periods, and setting the watcdog timeout period.

Conclusion

The MAX6316LUK45BX+T supervisor is a PMIC (Power Management Integrated Circuit) designed for the purpose of providing system reset and power-fail monitoring. It is suitable for applications in high-end computing and workstations, server farms, factory automation, and high-end HVAC and control systems, as well as telecommunications and data communication systems, computing equipment and systems, and network equipment. It utilizes a multiple-voltage monitoring circuit and an on-chip watchdog timer, and offers various configuration options via pin-programmming and I/O interface protocol.

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