MAX703CPA

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MAX703CPA is a type of Power Management Integrated Circuit (PMIC) supervisor which provides a reliable reset for microprocessors and microcontrollers. It is a low-cost, single-chip solution for providing a reset signal in applications like microcontrollers, microprocessors, and programmable logic devices. MAX703CPA Supervisor provides adjustable threshold levels, multiple reset pulse widths, and push-button reset capability.

MAX703CPA is widely used in various applications and its distinguishing features make it suitable for various applications. The MAX703CPA opens up opportunities for power system design engineers and board designers to meet their design challenges and reduce cost and complexity. The supervisor can provide reliable protection against process upset conditions with its adjustability features such as adjustable threshold, reset pulse width and push-button reset.

Overview of MAX703CPA

The MAX703CPA PMIC supervisor is a microprocessor reset device that operates with a single power supply voltage of +3.3 V or +5 V. It provides an active low reset output, Push-Button Reset (PBR) indicator output and has an adjustable Reset Assertion Threshold (RAT) as well as Adjustable Reset De-assertion Threshold (RDAT). It also has protection circuitries integrated on-chip like reverse-polarity, aluminum-air, over-temperature, and power-on reset (POR).

Working Principle of MAX703CPA

The MAX703CPA PMIC supervisor is an active-low reset device that has been designed to provide a reliable reset for microprocessors and microcontrollers. It works by monitoring the voltage level at the RAT and RDAT pins, which are also known as the reset input and reset output pins respectively. The device then outputs a reset signal to the microprocessor in response to any input voltage at the RAT pin below or above the preset level of the device depending on the polarity. The MAX703CPA monitors the supply voltage through the RAT and RDAT pins, detect an out-of-tolerance condition, and responds by asserting a reset signal. The reset is also de-asserted when the condition is corrected.

Applications of MAX703CPA

MAX703CPA PMIC supervisor is widely used in various application fields such as automotive, industrial, healthcare, storage and safety systems, home appliances, and consumer electronics. Some of the applications for MAX703CPA include Routers, Modems, Storage systems, Network interface cards, Base stations, Programmable logic devices, Hard disks, and Video game systems.

MAX703CPA PMIC supervisor is also used as an onboard reset for microcontrollers. It can provide reliable protection from process upset conditions. It is also used in various safety and security applications such as alarm systems and fire alarm systems, where it can be used to monitor the system condition and initiate a reset when the preset threshold is reached.

Additionally, MAX703CPA is used in industrial control systems, particularly in harsh or industrial setting, because of its robust design and features. It can also be used for data logging, data acquisition systems, and critical system components, providing reliable reset protection for the microprocessor.

Conclusion

MAX703CPA PMIC supervisor is ideal for providing reliable reset for microcontrollers and microprocessors, as well as other applications including automotive, industrial, healthcare, storage and safety systems, home appliances, and consumer electronics. It offers adjustability features such as adjustable threshold, reset pulse width and push-button reset. It also features integrated protection circuitries such as reverse-polarity, aluminum-air, over-temperature, and power-on reset (POR).

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