TL431BQDRG4

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PMIC, or Power Management Integrated Circuit, is a semiconductor device capable of controlling the various power levels and electrical characteristics of an electrical circuit. It can provide voltage regulation, over-/under-voltage detection, current monitoring, voltage reference, and many other functionalities in a single device. TL431BQDRG4 is a PMIC voltage reference, which provides enhanced features such as voltage protection, overvoltage protection, and power sequencing.

TL431BQDRG4 is based on the famous three-terminal TL431 Shunt Regulator. It is a series of precision voltage references capable of providing a highly accurate voltage output in the range of 1.2-36V. This device also features low quiescent current, high accuracy, low output noise, and low temperature drift. It is available in both TO92 and SMD packages, and is compatible with most bus systems and multi-voltage systems.

TL431BQDRG4 can be used in various applications, such as automotive, industrial, medical, and consumer electronics. In the automotive industry, it can be used for voltage protection, surge monitoring, and automatic shutoff of electric circuits. In industrial applications, it can provide protection for sensitive equipment and power sequencing for large power supplies. In medical applications, it can provide voltage reference for diagnostic and monitoring systems. In consumer electronics, it can be used to protect against power surges and ensure proper and efficient power distribution.

TL431BQDRG4’s working principle is that the voltage reference is composed of an internal reference voltage and an input voltage, which determines the output voltage. A control current is sent to the device, which is then compared to the internal reference voltage. If the input voltage is higher than the reference voltage, the output voltage will be higher than the original input voltage. The control current is then adjusted until the output voltage is equal to the reference voltage. On the other hand, if the input voltage is lower than the reference voltage, the output voltage will be lower than the original input voltage. The control current is then adjusted to make the output voltage equal to the reference voltage.

TL431BQDRG4 is a flexible and efficient type of PMIC voltage reference. With its wide operating temperature range, low quiescent current, and high accuracy, it can be used in a variety of applications. It provides efficient voltage protection, overvoltage protection, and power sequencing in automotive, industrial, medical, and consumer electronics applications. It is an ideal solution for providing accurate and reliable voltage reference.

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