MAX16959GEE/V+T

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The MAX16959GEE/V+T IC is a highly integrated power management circuit created by Maxim Integrated. It is designed for boosting and bucking LED currents, providing LED drivers with enough flexibility to offer a wide range of configurations. Due to its high efficiency and low power, it has become a preferred choice for many applications. In this article, we\'ll look at the application field and working principle of the MAX16959GEE/V+T power IC.

The MAX16959GEE/V+T is designed for a variety of applications, mainly to provide efficient, cost-effective, and low-power LED illumination. These applications include general illumination, LED backlighting, automotive lighting, and LED signage. The IC is capable of driving up to 24 LED strings at millions of colors, depending on the configuration. In addition, it features an input voltage range of 6V to 30V, selectable switching frequencies up to 2.4MHz, and adjustable output current up to 200mA per string.

The highly versatile and feature-rich MAX16959GEE/V+T IC is based on a Buck-Boost architecture and works on an error-correction principle to maintain the desired LED current regardless of input voltage regulation. In this system, the power management circuit is used in boost and buck configurations to drive various numbers and types of LED strings. The LED string current is regulated using an error-correction technique in which the only two parameters required are the LED forward voltage and the LED current. This eliminates the need for the user to manually adjust the LED current in response to changes in LED forward voltage.

Besides LED driving, the MAX16959GEE/V+T power IC includes a wide range of features such as onboard lighting control, dimming control, flickerless dimming, and failure detection. Lighting control options include pulse-width modulation (PWM) for light level control and dimming, and linear dimming for accent lighting applications. Additionally, the IC can be configured for either open or closed loop dimming, providing designers with the flexibility to optimize their system for the specific application. Moreover, it offers flickerless dimming, which eliminates undesirable behavior such as flickering during dimming.

In addition to the above features, the MAX16959GEE/V+T power IC also includes a Failure Detect circuit. This feature senses a short, break, over-voltage, and over-temperature conditions and informs the system with a fault signal. This allows the system to take corrective actions before any permanent damage is done to the LED strings.

In summary, the MAX16959GEE/V+T power IC is a highly integrated and efficient power management circuit designed for driving LEDs for a variety of applications. It is based on a Buck-Boost architecture and works on an error-correction principle to maintain the desired LED current regardless of input voltage regulation. Furthermore, it includes a wide range of features such as onboard lighting control, dimming control, flickerless dimming, and failure detection making it a preferred choice for many LED lighting applications.

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