MAX690ACSA

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The MAX690ACSA is a type of Precision Microcontroller Supervisory Circuit (PMIC - Supervisory) manufactured by Maxim Integrated. The PMIC Supervisor family provides a comprehensive, low-cost family of single- and multiple-voltage-monitor solutions designed to monitor the power integrity of microprocessor-based systems. The MAX690ACSA, in particular, offers three input voltages, specifically +4.3V, +3.3V and +5V, and implements a programmable timeout period.

The PMIC Supervisory family also includes other solutions, such as the MAX662/663/664 and MAX670/671 families. These solutions are used for systems that require a higher degree of accuracy and/or circuit complexity. Of the three, the MAX690ACSA is the least complex and economical, yet it provides reliable performance in a number of applications.

The MAX690ACSA is ideal for use in embedded and battery-powered designs, including factory automation, mobile phones, digital cameras and audio systems. The features of this device help ensure reliable system performance and extend the life of the battery in these applications. The MAX690ACSA also offers a built-in fault correction and an active-low reset to guard against system crashes.

The working principle of the MAX690ACSA is quite simple. It is composed of three analog comparators, each of which monitor the voltage supplied to the device. When the input voltage falls below a certain threshold, the output of the comparator will be asserted to indicate an erroneous condition, triggering a reset in the device. The timeout period can be programmed using an external capacitor to select the desired delay.

In addition, the MAX690ACSA also includes a watchdog timer, which allows the device to detect any instability in the system by measuring the amount of time between two consecutive pulses from the watchdog timer. If the delay between two consecutive pulses exceeds the preset timeout threshold, the device will trigger a reset to the system.

The MAX690ACSA can also be used in serial communications to monitor the communication. When the device receives the Start Pulse, it will start the sample measurement of the low and high voltage levels. If the sample of the logic states is not correct then the device will trigger a reset.

Overall, the MAX690ACSA is an ideal device for precision system monitoring applications. It is cost-effective and offers reliable performance. Its features are designed to extend the life of the battery and guard against system crashes. It is also easy to use and has the ability to delay the reset function, which is essential in a variety of applications.

The specific data is subject to PDF, and the above content is for reference