UCC28811DG4

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PMIC - LED Drivers are a go-to solution for LED lighting and display applications. The UCC28811DG4 is one such LED driver, created by Texas Instruments, that offers a range of features and benefits that make it an optimal choice for many LED applications. The device includes both a controller and high-speed, high-current gate driver, all in a single package.

The UCC28811DG4 is housed in a low profile QFN-8 package, which helps reduce board size, simplify assembly and lower costs. In addition, the device offers flexible control via an external digital PWM input or an analog voltage from 0 to 5.25V. With an adjustable operating frequency up to 200kHz, the UCC28811DG4 features an improved EMI performance and a high level of low-voltage ripple rejection, helping to ensure a high-quality light output. Its integrated thermal protection provides optimal safety when operating in hazardous conditions.

The UCC28811DG4 is suitable for a wide range of LED applications, making it an excellent choice for any lighting or display needs. The device supports multiple LED string configurations, including linear, which allows for maximum light output. Additionally, it can be used for LED lighting, LED lighting solutions, and LED backlighting. With the UCC28811DG4, LED lighting applications can benefit from the device’s low-voltage ripple, dynamic PWM dimming, integrated over-temperature protection, and other features.

In terms of working principle, the UCC28811DG4 is an analog/digital hybrid LED driver that employs an integrated voltage-mode control circuit and a high-frequency power train to implement a variety of control strategies. The device offers three different dimming options, including digital PWM dimming, analog dimming, and rail-to-rail dimming. These dimming methods enable the UCC28811DG4 to accommodate various levels of intensity, achieving the desired light levels efficiently and safely.

The UCC28811DG4 also houses an internal power MOSFET that is rated at up to 25A and can run up to 200kHz. This ensures fast switching and maximum efficiency. Furthermore, the device’s high-frequency power train reduces EMI/RFI, saving on additional costs as there is no need for additional EMI/RFI components.

The UCC28811DG4 is an ideal choice for a range of LED applications due to its small footprint, low noise, and high-current rating. The device is designed to be highly efficient, offering dynamic dimming and other features to save energy and reduce power consumption. Moreover, its safe and high-grade components provide a reliable solution for lighting and display applications that require a stable, high-quality output.

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