BD7682FJ-LB-EVK-402

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The BD7682FJ-LB-EVK-402 evaluation board is one of the most advanced products of DC/DC & AC/DC (Off-Line) SMPS industry. It is a compact, low power, low cost, and easy to use evaluation board for designing and testing DC/DC & AC/DC (Off-Line) SMPS applications. This board is an ideal platform to quickly evaluate various parameters of DC/DC & AC/DC (Off-Line) SMPS applications and to quickly verify designs.

The BD7682FJ-LB-EVK-402 evaluation board features a fully integrated step-down (Flyback) switched-mode power supply (SMPS) solution, the BD7682FJ-LB-EVK-9. The BD7682FJ-LB-EVK-9 is a monolithic integrated circuit designed for switch-mode inverters and switched-mode power supplies. The BD7682FJ-LB-EVK-9 integrates a low dropout regulator, a high-voltage transistor, a Resistive Voltage Divider (RVD) Sense Resistor and a soft start circuit. It can provide regulated output voltages of up to 16 V with a wide input voltage range of 2.7 V to 32 V. The BD7682FJ-LB-EVK-9 can handle a continuous output load of 1.2 A and a peak output of 1.5 A.

The BD7682FJ-LB-EVK-402 board has a wide variety of features which makes it suitable for designing and testing DC/DC & AC/DC (Off-Line) SMPS applications. It includes an MCU interface with USB-C port for easy programming and debug. The MCU supports an easy-to-use GUI for changing settings and viewing parameters. It also includes an isolation board for protecting circuits while testing high voltage applications. The board provides an accurate, fast response overvoltage protection circuit. The built-in voltage comparator shut offs power supplies above the specified voltage. High-accuracy data-logging and enhanced system monitoring capability is also supported in the evaluation board. The board also includes an intelligent shutdown feature for safe, accurate operation.

The BD7682FJ-LB-EVK-402 evaluation board can be used in a variety of different DC/DC & AC/DC (Off-Line) SMPS applications. It is ideal for designing and testing high-power SMPS applications, including switch-mode inverters for home appliances, lighting, motor drives, telecom, and automotive applications. It is also suitable for designing and testing medical, industrial, and commercial power supplies.

The BD7682FJ-LB-EVK-402 evaluation board operates on the basic principle of SMPS. It uses a power switching transistor, voltage regulation components, an RVD sense resistor, and a feedback loop to provide an adjustable output voltage. The output voltage and current are controlled by the switching transistor, which is driven by a pulse-width modulation (PWM) signal generated by the MCU. This PWM signal adjusts the output voltage according to the feedback voltage from the sense resistor. The sense resistor monitors the output voltage and provides a feedback signal to the MCU. The MCU then adjusts the PWM signal to maintain the output voltage at the desired level.

In conclusion, the BD7682FJ-LB-EVK-402 evaluation board is a low-cost and low-power platform for charging, energy harvesting and load testing DC/DC & AC/DC (Off-Line) SMPS applications. It features an integrated step-down (Flyback) switched-mode power supply (SMPS) solution, a USB-C port for programming and debug, and an isolation board for protecting circuits while testing high voltage applications. It also includes an easy-to-use GUI and data-logging capabilities. The BD7682FJ-LB-EVK-402 evaluation board is ideal for designing and testing switch-mode inverters, switched-mode power supplies, medical, industrial, and commercial power supplies.

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