MAX6968AAE+

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LED drivers are a type of PMIC (Power Management Integrated Circuit) that serve to optimize the functionality and performance of LED lights. The MAX6968AAE+ is a polished LED driver with comprehensive features that make it suitable for a wide variety of applications. This article will explore its capabilities, its application field and its working principle.

Features

The MAX6968AAE+ is capable of driving up to twelve LEDs with seven output channels. In addition, its 0.5-A internal LDO can power an external LED driver, allowing up to 19 LEDs to be driven from the device. It comes equipped with the latest Maxim technology such as adaptive de-rate and dynamic thermal derating, allowing for better efficiency and a longer LED lifespan. Its wide operating temperature range (up to –40°C to +125°C) ensures reliable performance in all environmental conditions.

The device has integrated optical programming features, allowing users to optimize brightness levels with a simple user interface. It also has built-in diagnostics with continuous open-short detection and open-LED detection, providing complete system monitoring. And, with its precision power-on and power-off current, the MAX6968AAE+ ensures no flickering or buzzing when powering the system on or off.

Application Field

The MAX6968AAE+ has a broad range of applications due to its versatility and feature set. It can be used for day/night switches, ambient light sensing, motion sensing, backlight dimming and more. It is suitable for indoor, outdoor, automotive and commercial lighting systems. In addition, its small package (2.0 × 1.3 × 0.75 mm) saves precious space, making it ideal for smart LED applications.

Working Principle

The MAX6968AAE+ is controlled by an 8-bit pulse-width modulation (PWM) signal. Each of its seven output channels is capable of driving up to 200 mA with a resolution of 0.4 mA. As the PWM input increases, the output will gradually increase, allowing for smooth dimming from 0-100%. The optical programming feature allows users to adjust the brightness level of each channel in a few simple steps. With these capabilities, the MAX6968AAE+ is incredibly flexible and capable of meeting the demands of any lighting application.

Conclusion

The MAX6968AAE+ is an impressive LED driver with comprehensive features and advanced optimization capabilities, making it suitable for a wide variety of applications. Its efficient design and wide operating temperature range, makes it suitable for indoor, outdoor, automotive and commercial lighting systems. With its integrated optical programming feature and diagnostics, the MAX6968AAE+ offers a comprehensive solution for any lighting application.

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