BU46K292G-TL Integrated Circuits (ICs)

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BU46K292G-TL Application Field and Working Principle

Power Management Integrated Circuits (PMICs) are essential components in modern electronic systems, providing voltage and current regulation and managing power management strategies. Among the PMICs, Supervisors are indispensable elements to ensure reliable power management systems that remain stable and withstanding against various failure modes caused by external disturbances, such as, over/under voltage protection, over/under temperature protection, power supply sequencing, power-on reset, brown-out detection and other factors. BU46K292G-TL is a standard voltage Supervisory, which provides a comprehensive solution for power management and system reliability.

BU46K292G-TL Application Field

The BU46K292G-TL Supervisory is designed for medium to complex application processes that require voltage and current management. Its applications span from industrial and automotive, healthcare, communication networks and remote monitoring systems, to computer peripherals and multimedia devices such as mobile phones, PDAs and video games. Apart from that, the Supervisory is suitable for highly integrated, low-voltage and battery-operated systems.

Working Principle of BU46K292G-TL Supervisory

The BU46K292G-TL Supervisory consists of a high-voltage comparator, a low-voltage comparator, a timer, a reset circuit, and a voltage divider which divides the input voltage into a reference voltage and an adjustable detection voltage. As the input voltage increases, the reference voltage also increases, thus the voltage between the reference voltage and the adjustable detection voltage becomes more pronounced. When the voltage difference exceeds a preset threshold, the output goes high, as a reset signal.

When the reset signal is low, the BU46K292G-TL Supervisory’s timer starts to accumulate time. When the timer accumulates an amount of time equal to the set reset time value, the output signal goes low and sends the reset signal. The reset signal is then propagated to other circuits, setting them in a predefined state.

Features of BU46K292G-TL

The BU46K292G-TL’s features include a low power shutdown mode, low current consumption, high voltage input range and low output voltage. It has a wide adjustable voltage range from 0.45 to 5.5V with a tight threshold control and integration of a power-on reset (POR) circuit. The Supervisory is also RoHS/WEEE compliant and halogen/phthalate free for environment protection.

The BU46K292G-TL\'s unique combination of features makes it a powerful solution for a variety of system reliability and power management scenarios. The device is a very reliable, cost effective and easy to use component which ensures robust and stable performance in challenging application environments.

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