S-80859CNPF-B9KTFU

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Power management integrated circuits (PMICs) are an integral part of any device, and their importance to the proper functioning of the device cannot be overstated. PMICs are designed to regulate different types of power consumption within a device, such as the main currents, noise levels, and other parameters. Supervisors are a specific type of PMIC that are designed to monitor the power flowing into and out of a device, as well as detect and alert when the power is outside of its set parameters. One of the most popular supervisor-style PMICs is the S-80859CNPF-B9KTFU, which is found in a wide range of consumer electronics and industrial equipment.

The S-80859CNPF-B9KTFU is an integrated linear series supervisor circuit with a wide operating temperature range of -40°C to +125°C. This PMIC has two inputs and two outputs, the first input is for VCC (controlled through a programmable voltage reference of 2.4V – 5.5V, and the second input is for a reset state voltage of 0.3V – 5.5V. The two outputs are the reset signal, which changes from 0V to VCC when a fault condition occurs, and the reset flag signal, which stays at a low voltage state when the device is functioning properly, but changes to a high voltage state when a fault condition has occurred.

The primary function of the S-80859CNPF-B9KTFU is to detect faults in the power supply of a device and trigger reset when necessary. It works by monitoring the supply voltage and comparing it with the programmed voltage reference. In the event that the voltage deviates more than the defined hysteresis voltage, the output of the supervisor will change accordingly, triggering a reset if the voltage is lower than the programmed voltage reference. This reset will cause the device to reset itself, allowing it to re-establish proper operation and avoid permanent damage.

The S-80859CNPF-B9KTFU is a highly effective supervisor-style PMIC that is used in a wide array of devices, including smartphones, tablets, industrial control systems, and automotive systems. With its accurate voltage monitoring, fault detection, and reset capabilities, this PMIC provides an important layer of protection for these devices, ensuring they continue to operate safely and effectively. In addition, the S-80859CNPF-B9KTFU is highly reliable and cost-effective, making it an attractive choice for a variety of applications.

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