BCD380P475T1K2A30

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BCD380P475T1K2A30 Application Field and Working Principle

The BCD380P475T1K2A30 belongs to the Evaluation Boards – DC/DC & AC/DC (Off-line) SMPS family and is designed to provide an isolated power supply solution for demanding applications. The board is based on a Buck-Boost topology which features excellent transient response, voltage matching, and current sensing performance. With a combination of Buck, Boost, and Transfer technologies, the BCD380P475T1K2A30 is capable of delivering robust output power of up to 7.5A.

The BCD380P475T1K2A30 includes a wide range of features that make it suitable for a variety of applications. Its low power input voltage range of 6-36VDC allows it to be used in a wide range of industrial, consumer, and light-weight mobile applications. Additionally, its robust current limiting and short circuit protection features allow it to be used in high reliability applications. Moreover, the board also features a thermal foldback current limit and an adjustable soft-start feature, which helps to reduce start-up surges.

The BCD380P475T1K2A30 works with an isolated, synchronous buck converter architecture. The board includes an integrated driver circuit that provides the necessary gate drive signals to control and regulate the bridge of the Buck-Boost circuit. This architecture provides accurate voltage and current regulation, high efficiency, and excellent transient response.

The BCD380P475T1K2A30 offers up to 92% efficiency at light loads and up to 95% efficiency at higher loads. Its low output voltage ripple limits provide good transient response and excellent voltage matching. The board also includes a dual-channel current sense feature, which allows the user to monitor the output current of both channels and set the limit appropriately.

In addition, the BCD380P475T1K2A30 also features a frequency jitter feature, which helps to reduce the output voltage ripple. This feature works by reducing the operating frequency of the Buck-Boost converter when the output load is light, thereby improving the overall performance and helping to minimize output voltage ripple.

In summary, the BCD380P475T1K2A30 Evaluation board provides an excellent, high-performance isolated power supply solution for demanding applications. The board includes a wide range of features that make it suitable for multiple applications, such as industrial, consumer, and light-weight mobile. With its excellent current sensing and voltage matching performance, frequency jittering, high efficiency, and robust features, it provides a reliable and cost-effective solution for a variety of applications.

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