MAX6307UK49D4-T

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Introduction

The MAX6307UK49D4-T is part of Maxim Integrated’s single chip family of high-performance Supervisors, which are designed to monitor the power supply of a system and reprogram the system when voltage is out of specification. This Supervisor features an adjustable reset assert delay and an adjustable reset de-assert delay. It is ideal for applications such as industrial, automotive, computing, and portable applications.

Application Field

The MAX6307UK49D4-T is designed to provide system reset and power-fail protection, thus operating as a safety measure to protect delicate electronic equipment. This makes it ideal for use in industries such as automotive, industrial, computing and portable applications. Examples of automotive applications include; ABS (anti-lock braking system) controllers, fuel injection systems, out of range voltage protection and power entry modules. Industrial applications include; telecommunication equipment, lighting, displays, process control systems and network devices.

It is also suitable for applications where the system requires a reset under a certain condition, such as an unexpected power failure or other occasions where a reset is needed. The MAX6307UK49D4-T is a suitable Low voltage supervisor solution for medium-current applications and also meets medium-power process/power-supply criteria.

Working Principle

The MAX6307UK49D4-T is designed to detect a power failure in the system and then uses a combination of two methods to reset the system. The two methods are a manual reset and an automatic reset. The manual reset is used to reset the system when the power failure is detected, and the automatic reset is used to reset the system whenever a specific condition is detected. On detection of a power failure, the MAX6307UK49D4-T will delay the reset signal assert by a programmable amount of time. This delay is used to allow the power-supply to recover from the power failure.

When the power is restored, the MAX6307UK49D4-T will delay the reset signal de-assert by a programmable amount of time. This delay is used to enable the system to stabilize before it is powered back on. Once the power is stable, the power-supply is ready for use again. The MAX6307UK49D4-T monitors the input voltage to ensure that it is within the acceptable range, and if it is not, then it will initiate a reset.

Conclusion

The MAX6307UK49D4-T is designed to provide system reset and power-fail protection, making it an ideal solution for a range of automotive, industrial, computing and portable applications. It is designed to detect power failures in the system by delaying the reset signal assert, and then monitor the input voltage to ensure it is within the acceptable range. Once satisfied it will tighten the reset signal de-assert by a programmable amount of time, thus allowing the system to stabilize before it is powered back on.

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