NCV7691GEVK

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The NCV7691GEVK is a comprehensive evaluation kit particularly designed for lighting applications. This board is leveraging the NCV7691, NXP\'s latest Gate Driver IC for White LED applications which contains a high-density system solution for driving multiple LEDs. It allows evaluation of high frequency constant current variable dimming topologies with a load of up to 2.5A across up to 10 LEDs with up to 50V of total voltage.

The kit contains a full-featured power management solution that addresses both low-cost, low-noise/flexibility and high-power/reliability/efficiency. The NCV7691GEVK also comprises an on-board MCU with associated connectors, switches, LEDs and resistors providing users with a complete package for out-of-the-box evaluation.

The NCV7691GEVK is an ideal tool for quickly and easily evaluating White LED dimming power systems. It is suited for both centralized and distributed lighting networks, providing versatility to move from one light source to multiple LED sources. NCV7691GEVK is specifically designed to meet the needs of large and sophisticated lighting projects like street lighting, parking lot lighting and commercial lighting installations.

The overall working principle of the NCV7691GEVK revolves around the NCV7691 Gate Driver IC from NXP. This IC allows for a switch mode dimming system, which is highly efficient, cost effective, and reliable with low output noise. This type of dimming system is suitable for applications such as direct AC input LED lighting, white LED lighting systems, LED matrix applications and LED signage systems.

This board has eight groups of LED drivers and each of these can be independently operated and dimmed enabling the user to vary the intensity of the lights. Each output is capable of driving up to 10 LEDs in parallel and up to 2.5A of total load. The drivers have also incorporated programmable parameters to protect the LEDs and the entire system from overload. The currents can be monitored as well as set up through the on-board MCU.

The Brightness Control Interface panel includes a potentiometer for manual control, a switch for activation, three buttons for Up/Down/Select dimming and an indicator LED for the status of the dimming system. The user interface can be connected to the J4 connector of the board for easy access. The board also provides connectors for the external MCU, Button switches, and Power supply.

The NCV7691GEVK is an ideal tool for quickly and easily evaluating white LED dimming power systems. Combining the advantages of a highly-efficient switch mode dimming system with the low cost, and low noise/flexibility of an on-board MCU with associated control connectors, switches, LEDs and resistors - the NCV7691GEVK provides the versatility to evaluate a wide range of lighting projects.

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