BD9639MWV-E2

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BD9639MWV-E2 Application Field and Working Principle

BD9639MWV-E2 (hereinafter referred to as BD9639MWV-E2) is an integrated power management IC (PMIC), which belongs to the voltage regulation of special purposes. Specifically, it is designed to manage the power supply of overvoltage protection and current limit control solutions.

BD9639MWV-E2 is developed by ROHM, a Japanese semiconductor company. It is an advanced and highly efficient energy management IC that unifies a wide range of voltage regulation functions, including overvoltage protection, current limit control, undervoltage lockout and over current protection. The maximum operating voltage is 40V and the quiescent current is only 83μA.

The primary application of BD9639MWV-E2 is in power supply for home appliances, automotive products, and wireless communication equipment. Besides, BD9639MWV-E2 also can be found in industrial PDAs, digital home appliances, electronic musical instruments and audio products.

BD9639MWV-E2 includes two operation modes: the E2 mode and the E1 mode. When the device is in the E2 mode, it controls the voltage of a given system to reach a certain level of safety. This can be used to prevent critical system components from being damaged by voltage surges or power outages. In the E1 mode, the device reduces the voltage in order to reduce power consumption.

The working principle of BD9639MWV-E2 is based on two main components: an error amplifier and a control switch. The error amplifier is responsible for comparing the voltage of the system to a reference voltage. If there is a large difference between the two, the error amplifier sends a signal to the control switch. The control switch then turns on or off the power supply to the system in order to regulate the voltage.

In summary, BD9639MWV-E2 is an efficient and powerful PMIC designed for voltage regulation applications. It provides robust protection against voltage surges, power outages and over current. With its wide range of applications and its advanced control system, BD9639MWV-E2 is a reliable and cost-effective solution for managing the power supply of various systems.

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