BD5255FVE-TR

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Power management integrated circuits (PMICs) are essential components in many electronic systems. They are specially designed to provide a comprehensive range of functions necessary to manage and optimise the supply of power in electronic systems. A supervisor IC is one such PMIC whose key functionality is to safeguard a system by providing robust reset and sequencing capabilities. The BD5255FVE-TR is a supervisor IC used in a variety of consumer electronic devices and is capable of providing reliable reset and power-on sequencing operations. This article will discuss the application fields and working principle of the BD5255FVE-TR.

Applications of the BD5255FVE-TR

The BD5255FVE-TR is designed for a variety of consumer and office electronics applications. It can be used in notebook and desktop PCs, smartphones, printers and other consumer electronic devices. It is also suitable for networking and communication applications as well as portable medical, industrial and military applications. Additionally, it is applicable for Li-ion battery management systems and automotive electronics.

Features of the BD5255FVE-TR

The BD5255FVE-TR is designed to provide reliable reset and power-on sequencing operations in a variety of consumer and communication devices. It is available in a space-saving WFBGA-14 package and is capable of supporting up to three power supply sequencing sequences with a single device. It also has an integrated voltage monitor with a ±1.5% accuracy and a power-on reset with a reset hold time of 3 milliseconds. Additionally, it is capable of providing temperature range of -40 to +105 degrees Celsius and an overvoltage protection threshold of up to 15 V.

Working Principle of the BD5255FVE-TR

The BD5255FVE-TR is a voltage monitor and reset supervisor device. It is designed to monitor and manage the voltage of a system, regulating the power supply in order to maintain consistent voltage and providing a reset signal when the voltage exceeds preset limits. The device is composed of four main functional blocks: voltage monitor, power-on reset (POR), watchdog timer and reset output. The voltage monitor and POR are designed to provide reliable system power-up and power-down sequences, while the watchdog timer is responsible for the system reset. The reset output is an open-drain output pin and is used to control the reset and wake-up signal of electronic devices.

The voltage monitor is responsible for monitoring the input voltage and generating a reset signal when it exceeds preset limits. The POR provides a reliable and synchronised reset signal when the system is initially powered up, while the watchdog timer monitors the system’s activity and provides a reset signal when it detects any abnormal conditions or operation. The reset output controls the reset and wake-up signal of electronic devices and is activated by the voltage monitor, POR or watchdog timer.

The BD5255FVE-TR is designed to provide robust reset and power-on sequencing operations for a variety of consumer and communications applications. It is available in a space-saving WFBGA-14 package, it has an integrated voltage monitor and integrated power-on reset, and is capable of providing a temperature range of -40 to +105 degrees Celsius and an overvoltage protection threshold of up to 15V. It is an essential component for reliable power management in a variety of electronic systems.

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