MP4050GS

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PMIC (Power Management Integrated Circuit) LED drivers are semiconductor devices used to deliver an electrical current to LED devices. These LED drivers are usually used to drive multiple LEDs, which require complex Current Mirror circuits and multiple modulation techniques. The MP4050GS is the latest advanced integrated circuit in PMIC-LED drivers, providing excellent performance and advanced features to meet the needs of maximum brightness.

Application Field

PMIC-LED drivers are especially popular in the high-end illumination and display markets. They have been used extensively in different markets such as automotive, commercial, and home lighting. Moreover, they have been applied in backlights, shop lightings, bar lighting, ceiling lighting, and wall lighting.

The MP4050GS is especially suitable for controlling current in applications that require multiple lighting and high brightness. The integrated circuits present low output noise, high efficiency current control, and excellent PWM connectivity. Moreover, the driver can be used to dim up to 12 LEDs in series, using a dimmer or PWN signal from a micro-controller. More importantly, the MP4050GS can be used in applications where dimming equipment can be difficult to adjust with traditional dimmers.

Working Principle

PMIC-LED drivers, like the MP4050GS, are based on a Current Mirror configuration, commonly known as sinker. This type of configuration creates a mirror circuit within the driver, allowing the output of the driver to be closely regulated with respect to an external reference voltage. The reference voltage can be seen as the input of the driver and the current flowing through the LED device being outputted by the LED driver.

The MP4050GS has an integrated booster that can be used to boost the input voltage up to 12V. This allows the LED driver to be used in applications with higher input voltages, such as micro-controllers, smartphones and tablets. The voltage booster also provides a high brightness for the LEDs, up to 500nits.

Furthermore, the MP4050GS has an integrated continuous level shift circuit that allows the output voltage swings from 0V to the maximum voltage. This enables the driver to maintain a constant brightness level over a wide range of input and output voltage conditions. Moreover, the level shift circuit can be combined with a current mirror to provide a maximum brightness output of up to 500nits.

Overall, the MP4050GS is an integrated circuit with advanced features that make it stand out from other PMIC-LED drivers. Its ability to control high brightness in multiple lighting applications and high voltage input, make it the perfect choice for any high end illumination system. It has low output noise, high efficiency current control, and excellent PWN connectivity, making it a great choice for any application.

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