MAX20051AUD/V+G2ZW

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Maxim Integrated produces a wide range of power management integrated circuits (PMICs) for a variety of applications including LED drivers. The MAX20051AUD/V is a wide input voltage, simple topology, boost driver for use in up to 4-string LEDs (20V max). It incorporates current and voltage regulation functions in a single device so that it eliminates the need for multiple discrete external components, thus resulting in a space-saving, cost-effective and low complexity design. In this article we will discuss the application fields and working principle of the MAX20051AUD/V.

Application Fields

The MAX20051AUD/V is suitable for applications including automotive lighting, consumer electronics, LCD backlight and industrial lighting. In automotive lighting, the versatile driver IC can be used in reverse lighting, dome lighting and third brake light applications, among others. The IC also supports up to 4-string LEDs (20V max), making it an ideal choice for LCD and industrial lighting applications.

In consumer electronics, the driver IC can be used for applications such as light emitting diode (LED) TVs, computer monitors and laptop displays. The device is also well suited for industrial lighting applications such as retail lighting, sports lighting and street lighting.

Working Principle

The working principle of the MAX20051AUD/V is based on boost technology, with a peak current control loop to regulate the LED current and a boost regulator to regulate the LED voltage. The peak current control loop is used to sense the LED current, and the boost regulator is used to regulate the LED voltage to a constant level. This ensures that the output voltage of the device is always higher than the input voltage, allowing it to drive the LEDs efficiently.

The device supports a wide input voltage range of 4.5V to 42V. The input voltage is converted to a higher output voltage and current in order to drive the LEDs. The maximum output current is 20mA per string, and the device can support up to 4 strings of LEDs. The device is also thermally protected and has an overvoltage protection feature.

The device provides a simple and cost-effective design solution for LED applications. It eliminates the need for multiple discrete external components, thus resulting in a space-saving and low complexity design. The device also allows for easy implementation and flexibility in the design. It is an ideal solution for automotive lighting, consumer electronics, LCD backlight and industrial lighting applications.

Conclusion

In conclusion, the MAX20051AUD/V is a wide input voltage, simple topology, boost driver for use in up to 4-string LEDs. It is suitable for applications including automotive lighting, consumer electronics, LCD backlight and industrial lighting. The device provides a simple and cost-effective design solution for LED applications, eliminating the need for multiple discrete external components, thus resulting in a space-saving and low complexity design. It is an ideal choice for applications requiring a robust, cost-effective and efficient LED driver.

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