MAX6313UK37D4-T

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PMIC - Supervisors

Supervisors are a powerful class of power management integrated circuits (PMIC) they enable the monitoring, control and protection of the functions and operations of other components in the system. This improves system efficiency, compatibility and performance. The MAX6313UK37D4-T is an advanced, 4-channel power supply supervisor, designed for use in 3.3-18V input, high-efficiency embedded systems. It utilizes several features to enable system design engineers to meet their design requirements with minimal effort. This article focuses on the application fields and working principle of the MAX6313UK37D4-T.

Application fields

The MAX6313UK37D4-T is designed for use as a power supply supervisor for embedded systems that use 3.3-18V input, such as telecommunications infrastructure equipment, DSP-based system designs, and portable power systems. It is also suitable for use in industrial applications requiring general-purpose power supervision.

The supervisor is fully compatible with the predominant voltage standards and can monitor the wide range of voltages commonly employed in these applications. The elapsed time monitoring feature ensures that the system boots quickly, saving design time and ensuring that the system starts up reliably.

Features and Benefits

• The supervisor can detect up to four voltage input sources and has 20 programmable thresholds.
• It offers a broad range of voltage monitoring range from 1.8V to 5.5V and input voltage capability from 3.3V to 18V.
• It provides independent microprocessor-supervised activity and function activities for monitoring each channel.
• The supervisor has a built-in elapsed time monitor that accurately tracks the system start and allows the user to adjust the timeouts for various system activities.
• With built-in temperature sensors, the supervisor can monitor and control temperature levels, ensuring system reliability and stability.

Working Principle

The MAX6313UK37D4-T works by monitoring the voltage level on each channel and alerting the microprocessor if the voltage level goes lower than the set limit. It can monitor up to four voltage inputs and has 20 programmable thresholds for monitoring voltage range up to 18V. The supervisor also features an elapsed time monitor that accurately tracks the system start and allows the user to adjust the timeouts for various system activities. In addition, the supervisor has built-in temperature sensors that can be used to monitor and control temperature levels, ensuring system reliability and stability.

For system designs that require over-current protection, the MAX6313UK37D4-T has a programmable voltage, current and power limit. The supervisor offers additional protection features including an over-temperature reset, power-good outputs, high-current clamped reset outputs, watchdog timer and event counter, open drain outputs and current confinement.

Conclusion

The MAX6313UK37D4-T is an advanced 4-channel power supply supervisor designed for use in 3.3-18V input, high-efficiency embedded systems. It provides system designers with pre-integrated power supply supervision, protection, over-current protection and system monitoring to improve system reliability, safety and compliance. With features like programmable voltage, current and power limit, the MAX6313UK37D4-T can offer significant cost savings in embedded system designs.

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