LP5521TMEV

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Evaluation Boards - LED Drivers are used for driving LEDs and designing applications for displaying and indicating light. The LP5521TMEV is a product from 2011 that is designed for LED driver applications in the RGB LED market, such as lighting fixtures and wearable displays. The LP5521TMEV provides one or two channel LED driver options, as well as advanced PWM dimming control, color mixing, and other features.

The LP5521TMEV uses a Lithium Polymer coin-cell battery to power the programming and driving of LEDs, making it a compact, energy-efficient device. It includes a USB interface and software driver applications that can be used to control the color and intensity of the light. The driver also supports a range of power supplies, including solar cells and AC power. In addition, it is pin-compatible with a number of RGB LED packages, making it easy to integrate into existing design systems.

The LP5521TMEV comes with a wide array of features and capabilities, including an adjustable voltage range for power input and output control, dimming range and timer control, and color mixing control. It has a built-in temperature monitor, which is a useful feature for automotive and industrial applications. It also has I2C interface, which provides two-way communication between the device and external microcontrollers. Other features of the LP5521TMEV include over-temperature protection, over-voltage protection and over-current protection.

The main purpose of the LP5521TMEV is to provide a low voltage, low power solution for driving LEDs. The device employs an adaptive switching frequency and multiple pulse width modulation (PWM) control, enabling it to control and regulate the light output while extending battery life. The LP5521TMEV is equipped with an internal oscillator, which is used to control the PWM frequency. The frequency can be adjusted to produce the desired light pattern, power demand and color range.

LP5521TMEV employs a unique color mixing technique, which allows for a wide range of color hue, saturation, and brightness combinations. The device also supports a sophisticated, built-in color mixing control algorithm that enables users to mix, match and control the exact color of the LEDs from a variety of sources. The color mixing capabilities are provided by a built-in color mixing module, which allows for the independent control of red, green, and blue primary colors.

The LP5521TMEV has an on-board temperature monitor, which prevents the LEDs from being over-driven. The built-in multi-step dimming control algorithm provides an accurately adjustable, smooth output intensity adjustment. This can be used in applications that require color gradient control and/or complex blinking patterns.

The LP5521TMEV supports up to 16 brightness steps and up to 8 color patterns. The driver also includes a customizable output timing range, enabling the control of the brightness over a specified time period. The output of the LED is conveniently adjustable via I2C interface, thus allowing for easy setting of the LED\'s current while optimizing the LED\'s output.

The LP5521TMEV is a powerful and versatile offering for designers looking to develop applications requiring complex LED driver control. It combines an array of features, such as temperature protection and color mixing with an efficient PWM control to deliver powerful, yet energy-efficient LED driving capabilities.

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