ADM6711SAKSZ-REEL7

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PMIC (Power Management Integrated Circuits), also known as \'Supervisors\', is a kind of ICs (Integrated Circuit) designed to ensure the correct operation and power management of systems incorporating multiple ICs, by monitoring the power supply voltage, supervising other IC and actuating reset functions.

The ADM6711SAKSZ-REEL7 is one such type of PMIC – Supervisors, specifically an advanced dual-channel, low-power supervisor optimized for use in managing power supplies in low power battery-powered systems.

This part features a configurable power-on reset with a reset time adjustable from 2ms to 1.2s, a programmable reset active option, a clean power supply fault detector, an input threshold voltage detector, a watchdog timer, an event detector, an active low reset output, and a reset status output with open-drain capability, allowing users to detect the reset state.

It is also designed with a sophisticated brownout detection, which obviates the need for external tracking circuits and that contains a differential comparator and voltage reference circuit, as well as a low dropout regulator core.

The ADM6711SAKSZ-REEL7\'s working principle is fairly simple. When power is applied to its input, the power-on reset timer activates, and the pre-programmed delay time begins to count down. This delay time asks the microcontroller to perform its internal power-on-reset routines and sort out the application as expected. The delay time can also be set according to the user’s application. Once the delay time has been reached, the reset signal will be re-activated and the system will start working with the power-on-reset carried out.

The watchdog timer is a special timer that counts the time since the microcontroller started up to the current time. If the microcontroller is not resetting periodically, or does not restart itself, it will cause the timer to reach the time limit, and trigger a reset signal. This reset signal will automatically start up the microcontroller to ensure its normal operation.

The ADM6711SAKSZ-REEL7 can also be used in wide temperature range applications such as medical equipment, automotive systems, and handheld devices. Its ability to monitor power rails and external input voltage makes it suitable for use in designs with multiple power domains such as notebook computers. The high sensitivity and temperature range of the parts makes it even more suitable for such applications. Lastly, the low supply current and shutdown functionality of these parts enable reductions in power consumption. They are perfect for designs that need to monitor power-supply voltage rails, with detection accuracy of ±2% over temperature.

In summary, the ADM6711SAKSZ-REEL7 is a high-performance dual-channel low-power supervisor designed to ensure correct system operation through power-on-reset, watchdog timer, and brownout detector. It also offers wide temperature range, high sensitivity accuracy, low supply current, and shutdown functionality. The application fields of this part include medical equipment, automotive systems, handheld devices, and multi-power domain designs like notebook computers, making it an ideal choice for power management and reset purposes.

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