BD57021MWV-E2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Wireless Power Transmitter
Current - Supply:	15mA
Voltage - Supply:	4.2 V ~ 5.3 V
Operating Temperature:	-20°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	40-VFQFN Exposed Pad
Supplier Device Package:	UQFN040V5050

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BD57021MWV-E2 Application Field and Working PrincipleThe BD57021MWV-E2 is a power management integrated circuit (PMIC) from ROHM Semiconductor group. This specialized power management device is designed primarily for multi-function portable equipment and communications equipment to reduce the amount of current drawn from a single battery. The BD57021MWV-E2 provides a simplified PMIC solution for systems that require an advanced power management and robust protection, along with high efficiency, low noise, and low EMI (electromagnetic interference). What Can the BD57021MWV-E2 Do?The BD57021MWV-E2, a specialized power management device, is designed to provide an advanced power management and robust protection, along with high efficiency, low noise, and low EMI. It is also capable of managing multiple voltage sources, operating from a single power supply, and providing a huge load current output.The device\'s switching technology and powerful protection functions, such as overvoltage protection (OVP) and overcurrent protection (OCP), are used for safe, reliable, and reliable power supply operation. Additional functions are included that allow the BD57021MWV-E2 to provide an efficient power solution to various consumer, industrial, and medical application markets.How Does the BD57021MWV-E2 Work?The working principle of the BD57021MWV-E2 is to provide a simplified PMIC solution for systems that require advanced power management and robust protection, along with high efficiency, low noise, and low EMI. Its intelligent power management technology allows for multiple voltage sources, operating from a single power supply, provides a huge load current output, and provides advanced protection functions, such as short-circuit protection and overcurrent protection. The BD57021MWV-E2 features a buck-boost topology, in which the output voltage can be adjusted within a range from 3V to 6V. This buck-boost topology provides a huge load current output and enables the device to be used in various applications, such as mobile and communications equipment.The BD57021MWV-E2 also uses an independent current- and voltage-mode control scheme, to supplement its buck-boost topology. This scheme permits the device to accurately regulate both the output voltage and current, while still maintaining a high efficiency. This scheme also enables faster transient response and low ripple noise, ensuring that the system operates as efficiently and quietly as possible. ConclusionIn conclusion, the BD57021MWV-E2 is a specialized PMIC from ROHM Semiconductor group. This device provides an advanced power management and robust protection for systems that require a simplified PMIC solution. It features a buck-boost topology and independent current- and voltage-mode control scheme to provide a huge load current output and enable high efficiency and low noise operation. This device is suitable for use in a variety of consumer, industrial, and medical application markets.

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