VIPER12-LED-EV Development Boards, Kits, Programmers

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Evaluation Boards - LED Drivers are ideal for a wide variety of applications, from automotive and backlighting to power and system monitoring. One powerful and reliable type of LED driver is the VIPER12-LED-EV, used for LED lighting applications. This evaluation board has many features, including protection functions, current regulation, active or hysteretic regulation, digital programming and improved lighting control. In this article, we will discuss the application field and working principle of the VIPER12-LED-EV.

Application Field

One primary use of the VIPER12-LED-EV is automotive lighting applications. This board is well-suited for use in headlights, rear lights, front lights, parking lights and so forth. The board can be used in conventional vehicles, electric and hybrid vehicles, as well as small power applications.

The VIPER12-LED-EV is also suitable for various types of consumer and commercial electronics applications, including those requiring for ambient lighting, such as message boards, TVs, gaming systems, laptops and phones. The board can also be used in standard and custom applications, such as architectural lighting, displays and even vending machines.

Working Principle

The VIPER12-LED-EV is a buck-boost LED driver, offering adjustable control of the LED current. This LED driver is integrated with power MOSFETs and includes protections against overvoltage, overcurrent, overtemperature and open LED. With a wide input range of 4.5 to 55V, the board can achieve an adjustable output current of up to 600mA.

For improved lighting control, the board also provides pulse-width modulation (PWM) dimming capabilities. The board itself features a Programmable Factor Selector, allowing it to be optimized for the highest efficiency and lowest power dissipation. In addition, the board integrates digital programming and dimming features, making it possible for users to program the output current for various applications.

In terms of safety protections, the VIPER12-LED-EV includes overvoltage protection and overcurrent protection, both of which can be programmed to the desired levels. In addition, it is also equipped with a thermal protection function, which shuts off the board in the event of an overtemperature condition.

The VIPER12-LED-EV evaluation board also has an open LED protection feature, which prevents the device from drawing current during open LED conditions. This can be beneficial in preventing circuit damage due to an open LED condition. Finally, it also includes an active or hysteretic regulation, allowing the board to accurately regulate the output current even when the input voltage is changing.

Conclusion

The VIPER12-LED-EV is a powerful, reliable and easy-to-use LED driver for a variety of applications, from automotive and backlighting to power and system monitoring. With several protection functions and adjustable current regulation, it is well suited for a range of LED-based applications. Moreover, the board integrates pulse-width modulation and other lighting control features, making it even more useful in creating cost-effective LED lighting solutions.

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