MAX6842FUKD3+T

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Introduction

The MAX6842FUKD3+T is a supervisor integrated circuit designed to monitor power rails and limit supply current in power management systems. This device features a power-up, power-down, and toggle reset output and precision voltage monitoring, overvoltage detection, and enhanced tolerance to noise and system transients. It also includes a transistor driver for a high voltage reset output for system logic and a diagnosis circuit to detect supply current overloads. This device further includes a remote shutdown feature for safe system shutdown. The MAX6842FUKD3+T has application fields in various industries and its working principles are discussed below.

Application Fields

• Consumer applications: The MAX6842FUKD3+T is used in consumer applications such as game consoles, digital video players, and portable media players.
• Automotive applications: The MAX6842FUKD3+T is designed to meet the requirements of automotive systems, such as electric vehicle battery management systems (EV/HEV), automotive infotainment systems, and photovoltaic tracking and control systems.
• Industrial applications: The MAX6842FUKD3+T is well suited for industrial applications, such as industrial automation, renewable energy systems, and power conversion and protection systems.
• Medical applications: The MAX6842FUKD3+T is designed to meet the stringent requirements of medical devices, such as infusion pumps, patient monitors, and portable medical devices.

Working Principle

The MAX6842FUKD3+T is a voltage supervisor used for monitoring one or two power rails. It features a toggle-mode power-up reset output that transitions from low to high upon power up and remains in that state until power down. It also incorporates an overvoltage detector to generate a reset output if the supply voltage exceeds its limit. The reset output is latch off until the voltage drops below its limit or the reset input is activated.

The MAX6842FUKD3+T also includes a transistor driver for a high voltage reset output. This output can be used to control logic systems in the event of a supply voltage mismatch. The device also has a diagnosis circuit that detects supply current overloads and outputs a reset signal.

The MAX6842FUKD3+T further includes a remote shutdown feature for safe system shutdown. In this mode, the device will reset the output when the voltage reaches its minimum value, allowing for quick and efficient system shutdown. The device can also be used to limit the supply current with an external current sense resistor.

Conclusion

The MAX6842FUKD3+T is an integrated circuit designed to monitor one or two power rails and limit supply current in power management systems. This device features a power-up, power-down, and toggle reset output and precision voltage monitoring, overvoltage detection, and enhanced tolerance to noise and system transients. It also includes a transistor driver for a high voltage reset output for system logic and a diagnosis circuit to detect supply current overloads. The MAX6842FUKD3+T has application fields in various industries, and its working principles were discussed in this article.

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