MIC2289-3-LED-EV

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Evaluation Boards - LED Drivers provide engineers the ability to quickly and easily progress their product designs. Among the many evaluations boards dedicated to the needs of LED drivers, MIC2289-3-LED-EV is one of the more popular and versatile options. This board offer controllers with various output channels,a wide range of driving configurations, and flexible power supply design.

The purpose of the MIC2289-3-LED-EV is to quickly evaluate the MIC2289 family of LED driver controllers. It offers an efficient and cost-effective way to accurately test and evaluate the ICs performance and capabilities. It features the MIC2289 LED driver controller, four synchfets, programmable LED current output, and four LEDs for testing.

The board is able to take a wide range of input voltage from 4.5 to 28 volts, allowing for the flexibility to control a variety of applications. It features selectable output current through DIP switches on the board which maximize system performance and optimize efficiency for a variety of LED configurations. The board contains circuitry to sense temperature, meaning it can be used in high-heat applications as well.

Using the MIC2289 LED driver controller, the MIC2289-3-LED-EV offers plenty of control options and scope over LED configurations. The controller utilizes current-mode control which minimizes high frequency switching noise. It implements a fixed-off-time architecture, with peak current-limit protection against short circuit. The MOSFETs used onboard provide low EMI radiation and allow for a simple connection layout.

The MIC2289-3-LED-EV is designed to give designers a flexible, powerful, and amplifier-free solution for controlling LED drivers. This board is ideal for applications where wide input range, flicker-free operation, and low EMI noise are required. This board can be used to develop and evaluate a variety of lighting applications, from indoor industrial lighting to backlighting mobile phones, TVs and monitors.

The working principle of the MIC2289-3-LED-EV board is based on a current-mode topology. The IC controller takes information from resistor or capacitor settings, as commanded through the DIP settings, and generates a corresponding switching signal for the FETs. The output EMI filter which is placed after the FETs further optimizes the EMI characteristics. The LEDs can then be connected to the output in the configuration and with the right intensity desired.

In short, the MIC2289-3-LED-EV board provides control and flexibility that cannot be matched by other LED driver boards. It is an efficient LED driver testing and evaluation platform, providing engineers with a robust solution for developing and evaluating various lighting applications.

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