MP4068GN-Z

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The need for efficient energy conversion and heat controlled applications have increased considerably over recent years. A new type of power management integrated circuit (PMIC), the MP4068GN-Z, has been developed to meet this need. It is a popular choice for LED light applications. This article looks at the MP4068GN-Z from different angles, starting with its application field and then delving into its working principle.

PMIC - LED Drivers: Application Field

The MP4068GN-Z is a PMIC-LED driver which can control up to 4 channels. It consumes up to 4W of wattage, making it well-suited for applications requiring low wattage such as LED lighting systems. The device also supports two types of output, non-isolated constant-current URL and voltage regulation. This versatility allows the MP4068GN-Z to supply up to 400mA per channel and up to 24V DC. Customers benefit from the easy conversion of various input voltages ranging from 4.5V to 28V.

Moreover, the device\'s constant-current mode enables the driver to control LED brightness accurately. Furthermore, its temperature control technology is designed to prevent thermal runaway, allowing for stable illumination and therefore longer life for the connected LEDs. Additionally, the help of PC software, the user can adjust all parameters of the MP4068GN-Z through the I2C communications interface, such as output current, brightness and frequency, enabling further flexibility of the device.

The MP4068GN-Z PMIC-LED Driver also comes with a range of protection features. For example, it is equipped with an over-current, short-circuit, and over-temperature protection. This is important for the safety of the device and for the user, as it prevents any damage or failure through accidental or unintended inputs. Additionally, the MP4068GN-Z has a power supply error detection, as well as a soft-start function and soft-stop function. The latter especially helps to further extend the lifetime of LEDs and the driver itself.

PMIC - LED Drivers: Working Principle

The MP4068GN-Z employs an integrated flyback topology. Its constant-current and feedback control technique utilizes an external feedback resistor to achieve a constant voltage output, resulting in stable and precise current control. The over-current protection feature of the device further adjusts the amount of current delivered by controlling the duty cycle of the switches.

The MP4068GN-Z contains four internal channels providing separate outputs for each LED channel. It is properly optimized for LED lighting applications across different series of leds and can maintain specified LED current, regardless of the variations of LED series strings. The soft-start and soft-stop feature of the device provides for a smooth LED light-up and shut-down, a feature which extends the lifetime of the LED and the driver itself.

The MP4068GN-Z employs an integrated push-push oscillator, which eliminates the need for external timing components. This results in an overall lower system cost. Additionally, the internal PWM dimming and optional frequency control allows the user convenient tuning of the LED light intensity. This feature also helps to further prolong the lifetime of the LED and to extend the freedom of component selection.

In conclusion, the MP4068GN-Z combines versatile application capability, intelligent current control, and dynamic protection features. The low-power and high-efficiency of the device makes it a perfect fit for many LED lighting applications.

The specific data is subject to PDF, and the above content is for reference