BD9D320EFJ-EVK-001

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BD9D320EFJ-EVK-001 evaluation board is a versatile DC/DC & AC/DC (Off-Line) SMPS for developers in the consumer, industrial and medical applications. It enables users to quickly evaluate performance and get started with features. Also, the evaluation board works as a reference design for medium power SMPS and DC/DC & AC/DC (Off-Line) life testing.

The BD9D320EFJ-EVK-001 evaluation board utilizes power MOSFETs as main static switches. These switches have low on-state resistance, providing efficient power conversion and wide adjustment of operating frequency.

The board has an wide range of features that makes it ideal for applications such as general consumer electronics, medical equipment, automotive electronics, and industrial controls. These features include:

• High reliability:Wide temperature and humidity range
• Wide range of input voltage:Working form 85Vac to 265Vac
• Reduction in total system cost:Up to 65% cost reduction with integrated synchronous rectification
• Immunity to input transients:Integrated EMI filter
• Easy debugging and tuning:High resolution demo board with amplitude and frequency controls
• Minimization of switching losses:Selectable sleep modes
• Flexible protection features:PFC & OVP, OCP and OTP protection function
• Robust thermal performance:Reduced temperature rise

BD9D320EFJ-EVK-001 evaluation board, with its high efficiency and low cost, is suitable for a wide range of applications. It also offers various advantages such as design flexibility, reduced component count, improved reliability and better thermal performance.

The board utilizes a synchronous rectifying topology which eliminates the need for additional switch elements, thus simplifying the design and reducing component count. The board also supports many optional protection functions, including voltage, current and over-temperature protection. This board also supports a wide range of input voltages and is designed for operation over a wide ambient temperature range.

The BD9D320EFJ-EVK-001 basic operating principle is as shown below. Firstly, the AC power is connected to the input and goes through the pre-regulator stage. This stage performs a rectification and filtering function. Then, the output voltage from the pre-regulator is connected to the DC-DC converter stage. This stage performs isolation, buck or boost operation for the output voltage generator. The output voltage is adjusted with the amplitude and frequency controls. Finally, the output voltage is delivered to the load.

In summary, the BD9D320EFJ-EVK-001 evaluation board is a powerful and convenient tool to get developers quickly started in the consumer, industrial and medical applications. The synchronization rectifying technology ensures high efficiency power conversion as well as cost optimization. Moreover, the board comes with several protection features and is designed for operation over a wide temperature range.

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