ADM1810-5AKSZ-REEL

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PMIC supervisors are active components used in electronic systems to provide control of power management functions. The ADM1810-5AKSZ-REEL is a reset generator and voltage supervisor integrated circuit, manufactured by Analog Devices. It is specifically designed for use in the monitoring and protection of circuits in portable electronic systems.

The ADM1810-5AKSZ-REEL is a highly integrated voltage supervisor and reset generator, providing two individually programmable reset outputs and four voltage monitor inputs. It includes one analog input, two programmable reset outputs, four regulated voltage detectors, reset generator, watchdog timer, and an additional digital output to indicate an out-of-tolerance condition. Additionally, this chip also includes a low-dropout voltage regulator, providing a constant supply voltage of 1.25V.

The reset generator and voltage supervisor integrated circuits such as the ADM1810-5AKSZ-REEL, provide the ability to protect circuits against faults such as undervoltage, overvoltage, reverse-polarity voltage, and brown-out. The chip incorporates a programmable analog window comparator and configurable reset time delay to ensure that the correct reset time is observed in different system conditions. Additionally, it provides fast output response time, reducing exposure to system faults in milliseconds. Moreover, the integrated circuit has a very low quiescent current due to its automatic power-down mode, enabling reliable and safe power-shifting operations.

The application field of the ADM1810-5AKSZ-REEL includes portable electronic systems such as laptops, mobile phones, wearables and tablets which require power management and protection from faults. It is mainly used for monitoring the main power supply voltage of a system and generating reset signals for the electronics components if a fault threshold is detected. Furthermore, this rolling reset generator and voltage supervisor can also be used in motor control systems, to monitor motor voltages and protect the motor circuitry from overloads and voltage spikes.

The working principle of the ADM1810-5AKSZ-REEL involves monitoring of two or more voltages in order to detect over- and under-voltage faults. When a fault is detected, the chip can generate a reset signal to the system and trigger a hardware system reset to restore normal operation. The window comparator can be programmed to detect both low and high voltage levels, and its programmable reset delay allows the system to return to normal operations after the fault is resolved. Additionally, this chip also provides to the user an additional digital output as an indication of a fault.

In conclusion, the ADM1810-5AKSZ-REEL is an integrated circuit designed to be used in portable electronic systems to provide protection from common power-related faults such as overvoltage, undervoltage, reverse-polarity and brownout. The chip includes an analog window comparator, reset generator, voltage detectors and watchdog timer, which allow the user to monitor and control power supply voltages. It is also used in motor control systems to protect the motor circuitry from overloads and voltage spikes.

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