MIC2293-6-LED-EV

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MIC2293-6 is a high-accuracy and low-cost linear current regulator for driving LEDs with a constant current output. It features a low-power shutdown mode, programmable output current range, synchronizable operating frequency and wide input voltage range. The device has a sophisticated current monitoring system consisting of a transconductance amplifier and a high-precision current reference. The application field of this device includes linear LED driver and voice coils.

The MIC2293-6-LED-EV evaluation boards, powered by a three-phase AC-to-DC converter, are designed to evaluate the performance of the MIC2293-6 devices. The boards are available in a variety of configurations and have an adjustable output voltage range up to 60V and an adjustable output current range up to 5A. They also include a 12V auxiliary power supply, analog and PWM current control, and a wide range of auxiliary inputs and outputs.

The working principle of the MIC2293-6-LED-EV device is based on the difference between the peak and the average of the sensed voltage across a LED string. The board will continuously monitor the LED current and voltage to ensure that the LED string is driven with the desired current.

The MIC2293-6-LED-EV device has two operating modes: constant current mode and constant voltage mode. In constant current mode, the driver maintains the LED current at the desired level, while in constant voltage mode, the driver maintains the LED voltage at the set level. The user can switch between modes, depending on their application needs.

In addition, the board allows for synchronization of all the devices in a single system with the same output current. The synchronization feature enables the light string to be power-gated, dimmed or color-controlled simultaneously.

The MIC2293-6-LED-EV evaluation board is also fitted with various protection features such as reverse polarity protection, over-voltage protection, over-temperature protection, and over-current protection, for safe operation.

Overall, the MIC2293-6-LED-EV evaluation board is an ideal solution for evaluating the performance of the MIC2293-6 devices in LED driver applications. It ensures reliable performance, fast switch on/off, high accuracy and wide operating temperature range.

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