NCP1937BADAPGEVB

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NCP1937BADAPGEVB is a DC/DC & AC/DC (Off-Line) SMPS Evaluation board designed and developed by ON Semiconductor. It helps to assess the performance and extend the capability of their NCP1937 device which is a feature-rich flyback converter. The board offers a solution that is designed with integrated safety features like over voltage, overtemperature and output short-circuit protection. It can also be used in conjunction with industry standard evaluation software such as PSIM to monitor of the performance and system diagnostics.

Application Field

The NCP1937BADAPGEVB board can be used in embedded system and power management applications that require a flexible, low cost, and efficient power solution. These include, but are not limited to, medical equipment, office automation equipment, audio-visual equipment, telecommunications equipment, consumer electronic and other IT related products. This board can also be used to evaluate the performance of NCP1937 device with various light load and standby power loss conditions.

Working Principle

The NCP1937BADAPGEVB board is intended to be used for high efficiency DC/DC and AC/DC (Off-Line) SMPS applications. This board is designed with a synchronous rectified boost converter with an integrated high voltage switch. The NCP1937BADAPGEVB board operates in the quasi-resonant mode and features a constant frequency current mode controller with a primary side regulation for higher efficiency and improved transient response. The board features an integrated 5V LDO for bias supply, as well as protection functions such as Vout under voltage lockout (UVLO), over temperature, over voltage and over current.

The board includes an isolation transformer that allows for the evaluation of an isolated Flyback topology. In addition, the evaluation board is designed with a programmable I2C interface that gives the user access to the PFC controller configuration and allows for control and monitoring of the PFC controller. The board utilizes an Infineon board that is integrated into the board schematic. The board is powered by a 12V DC input and the output voltage can be programmed from 5V to 24V via an integrated microcontroller.

Overall, the NCP1937BADAPGEVB board is a cost-effective and efficient solution for evaluating the performance of the NCP1937 device for DC/DC and AC/DC (Off-Line) SMPS applications. The board is designed with safety features and is compatible with industry standard evaluation software. In addition, the board features an isolation transformer, integrated microcontroller for programming the output voltage, and an I2C interface for controlling and monitoring the PFC controller.

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