DBQ0135V2PBSC

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DC-DC converters serve a wide range of industrial and consumer applications by taking a single input voltage (usually from a battery) and converting it into the desired output voltage. They are primarily used to step up or step down the voltage, or to provide either isolation or regulation to the output. There are numerous types of DC-DC converter available in the market, including linear, switching, and resonant converters. One of the popular and efficient DC-DC converters available today is the Buck-Boost Converter, which has the below features:

DBQ0135V2PBSC Application Field and Working Principle

The DBQ0135V2PBSC is a high performance synchronous buck-boost DC-DC converter module and is designed for applications with battery voltage ranging from 4.5V to 14V. This module combines a buck converter, a boost converter, and a linear regulator in a single and compact package. It features an integrated boost switch, a synchronous buck conversion sub-circuit, and a linear regulator sub-circuit, which provides dynamic protection and accurate voltage regulation. The integrated boost switch allows the input voltage to be higher than the output voltage, and the synchronous buck converter provides high efficiency and fast transient response. The linear regulator sub-circuit provides high accuracy regulation for applications that require precise voltage levels.

The DBQ0135V2PBSC converts input voltage to its regulated output voltage at 120 kHz switching frequency. When input voltage is higher than the output voltage, the integrated boost switch operates first to increase the voltage to the required level and then the synchronous buck converter steps it down to the desired value. On the other hand, when the input voltage is lower than the output voltage, the linear regulator sub-circuit provides the needed voltage up to the regulated level. The DBQ0135V2PBSC uses a Frequency Control Input to adjust the switching frequency and an overvoltage detection signal to stop the power converter when excessive levels are detected.

The DBQ0135V2PBSC is ideally suited for various cost-sensitive applications such as automotive, consumer, computing, and industrial. Some of the most popular applications for this buck-boost converter include energy harvesting, LED driver circuits, battery charging, motor drive circuits, medical and healthcare, and many more. It is a versatile solution for a wide range of applications and is a reliable and efficient way to provide accurate voltage regulation.

Conclusion

The DBQ0135V2PBSC is an efficient, robust and reliable DC-DC Buck-Boost converter, suitable for a variety of applications. It ensures accurate voltage regulation and fast transient response for various power requirements. It offers good static and dynamic performance, along with low component count. This buck-boost converter is ideal for most of the existing applications and is a great choice for cost-effective and efficient DC-DC conversion.

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