MAX16809EVKIT+

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The MAX16809EVKIT+ evaluation board is a cost-effective and versatile LED driver. This board is a two-stage driver that enables highly efficient operation while providing superior levels of accuracy and control over LED illumination. It is ideal for LED-based automotive and industrial applications including LED lamps, LED display modules, LED backlight drivers, LED lighting controllers, and LED strips. With its wide input voltage range and two adjustable output currents, the MAX16809EVKIT+ is capable of driving a wide variety of LEDs.

The MAX16809EVKIT+ consists of two stages: a digital power stage and a power stage. The digital power stage is an array of P-channel MOSFETs (PMOS) and functions as an active load switch for power delivery. It can be used to program the on-time and off-time of the power stage, and to adjust the current levels to drive different types of LEDs. The power stage is composed of N-channel MOSFETs (NMOS) connected to an inductor, and is used to deliver the configured power to the LED. The board also includes a 3.3V voltage regulator with undervoltage protection, a power stage MOSFET protection circuit, and an output current regulation circuit.

The MAX16809EVKIT+ is operational in a wide input voltage range of 4.5V to 30V, and the two adjustable output currents can be configured up to 1A and 2A with precision. The board also provides a thermal shutdown protection with a wide die temperature range of -40°C to +125°C. Furthermore, the board has an integrated overvoltage protection (OVP) to protect the MOSFETs from over voltage damage coming from the input.

The MAX16809EVKIT+ evaluation board is designed to enable maximum flexibility and superior performance in driving high efficiency LED based automotive and industrial applications. The board is capable of driving a wide variety of LEDs, including those driven in a series, parallel or multiple LED arrangements, with the additional feature of adjustable output current and overvoltage protection.

In addition, the MAX16809EVKIT+ features an on-board debug port for programming and tuning the LED driver, and for monitoring and controlling the LED illumination. The evaluation board also includes three jumpers and two push buttons to enable further user control. With its wide input voltage range, two adjustable output currents, precision control and superior performance, the MAX16809EVKIT+ is an ideal choice for automotive and industrial LED lighting applications.

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