MAX6721AUTWGD3+T

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The MAX6721AUTWGD3+T is a PMIC (Power Management Integrated Circuit) Supervisor designed to monitor and maintain the correct voltage flow through a circuit. This supervisor is a supervisory chip with an on-chip voltage supervisor, reset generator and power-on-reset (POR) generator. The supervisor uses high accuracy voltage monitoring to guard against severe changes in the power supply voltage, whether it is an over-voltage, under-voltage, or power-on reset. Additionally, the supervisor reduces system costs by eliminating the need for a separate power-on reset (POR) circuit, providing a more reliable and accurate method of monitoring the system power supply.

The MAX6721AUTWGD3+T has several key features, which make it an ideal choice for many applications. Firstly, it features a wide operating temperature range of up to +125°C, which allows for deployment in a wide range of environments. It also has an integrated voltage supervisor with adjustable undervoltage and overvoltage thresholds, which makes it ideal for different applications. Additionally, the supervisor has a wide range of reset time delays – from 3.2ms to 32ms, which improves system stability and reliability.

Moreover, the MAX6721AUTWGD3+T includes a power-fail detector circuit with an adjustable power-fail threshold (1.242V to 2.37V) to provide early detection of a power failure. This power-fail detector provides a system reset or system shut-off with an adjustable time delay, allowing the user to quickly react to a power failure. Additionally, the power-fail detector also provides a “system halt mode” to prevent the system from restarting after a power failure and thus, providing a higher level of system protection.

The MAX6721AUTWGD3+T also features an inbuilt programmable delay reset generator and time-keeping circuit for system initialization and time keeping. This delay reset generator provides a “reset window” to user-defined parameters, allowing the user to select between a “continuous reset” or a “delayed reset”. Additionally, the time-keeping circuit provides real-time clock (RTC) and watchdog timer (WDT) options which enable error detection and system recovery.

The MAX6721AUTWGD3+T is ideal for many applications ranging from automotive, consumer electronics, communications and industrial applications. Specifically, this chip can be used in automotive applications such as in-vehicle communication systems, car navigation systems and automotive infotainment systems. It is also suitable for consumer electronics applications such as portable media devices, home entertainment systems and other consumer devices. Additionally, the MAX6721AUTWGD3+T can be used in communications applications such as wireless LANs, routers and set top boxes. Lastly, it is suitable for industrial applications that require precision control of voltages and system resetting such as power supplies, motor controllers, and microprocessors.

In conclusion, the MAX6721AUTWGD3+T Supervisor provides a high-performance solution for voltage regulation and system resetting in numerous applications. Its wide operating temperature range, adjustable reset delays and power-fail detector provide a robust and reliable platform for monitoring the system voltage and resetting as needed. Additionally, the integrated DEL/RST generator and time-keeping circuit improve system stability and reliability by reacting automatically to power issues.

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