S-80825CNMC-B8KT2G Integrated Circuits (ICs)

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Power Management Integrated Circuit (PMIC) is an integrated circuit that is used to manage and optimize the power flow of an entire system. It helps to reduce the overall power consumption of the system and increase efficiency. The PMICs can be further divided based on their function into several categories, such as voltage regulation, system Clocking, voltage reference, power switching, and Supervisors, among others. Supervisors are mainly responsible for monitoring and protecting the components of the system from multiple events and possible faults. Even though PMICs are known to improve system efficiency, their complex behavior can cause further operational problems, such as overvoltage and overcurrent. Hence, Supervisors are incorporated for monitoring and protecting the system, and the S-80825CNMC-B8KT2G is one such part from ON Semiconductor.

The S-80825CNMC-B8KT2G belongs to the ON Semiconductor Supervisors family and is a multi-output Voltage Supervisor with advanced power management capabilities. It includes advanced features like a Programmable Delay Time-out, Power-Good Output, Power-Down Output, System Reset, and Thermal Protection. It is offered in an 8-pin DNP and MLP package, which helps to conserve board space.

The S-80825CNMC-B8KT2G is mainly used in power supply system in application requiring multiple power supplies. It has a low supply current of 80 μA, a wide operating voltage range of 2.0 to 5.5 V, and can accurately monitor various voltage levels from 1.0 to 4.2 V. The S-80825CNMC-B8KT2G also provides output delay time-out, which is adjustable from 0 to 255 ms. In addition, this device is thermally protected, thus protecting the system and other components from overheating or overcurrent due to overvoltage.

The S-80825CNMC-B8KT2G has two main features: reset and power-good outputs. The reset output is triggered when the power supply voltage falls below to specified levels. It then triggers a system restart. Meanwhile, the power-good output shows how long the power supply remains stable and is used to support system power-up sequencing. It monitors multiple power supplies, thus ensuring system stability and efficiency.

The working principle of the S-80825CNMC-B8KT2G is based on the dual-monitored voltage-sensitive circuitry. The voltage monitor consists of an amplifier, comparators, and a logic circuit. The amplifier is used to monitor the supply voltage and compare it with the actual voltage. The comparators enable comparisons between the actual voltage and the reference voltage. The reference voltage helps to set the threshold for the system. Meanwhile, the logic circuit is used for power-on reset and power-off reset. It helps to switch the particular signals from high-to-low and low-to-high.

The S-80825CNMC-B8KT2G is a reliable and cost-effective PMIC supervisor that is specifically designed to improve system efficiency and stability. It is widely used in power supply systems, disk drive controllers, and embedded applications. Its low supply current and wide operating voltage range make it well suited for a variety of applications. Furthermore, the S-80825CNMC-B8KT2G also helps to reduce power consumption and improve system reliability.

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