MP4651ES-LF

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

MP4651ES-LF is a power management integrated circuit (PMIC) specifically designed to drive LEDs with complex lighting patterns. It usually is used in applications where efficiency and reliability are particularly important, such as automotive headlamps, flashlights, and medical lighting. It features a wide input voltage range, a low quiescent current, and protection against over-temperature, over-current, and over-voltage.

The MP4651ES-LF PMIC is a high-efficiency, high-current LED driver with low-side dimming capability. It utilizes a four-stage control process to precisely control the output current. It can operate in driving, braking, and off modes, allowing for smooth transition of light intensity. The device also offers a wide input voltage range and low quiescent current.

The MP4651ES-LF PMIC is capable of providing constant current output to ensure that connected LEDs are illuminated with consistent brightness regardless of input or ambient temperature. It includes over-temperature protection, over-current protection and over-voltage protection, meaning that it can effectively regulate current input to maintain safe and consistent operation. It also utilizes low-side dimming to allow flexible control of LED intensity without affecting other circuits.

The working principle of MP4651ES-LF is based on four different operations which are pulsed current operation, low side dimming current operation, brake current operation and shutdown current operation. In pulsed current operation, the LED is driven by a continuous current; in low side dimming current operation, the LED is dimmed by PWM signals based on adjustable threshold levels; in brake current operation, the LED is linked to a floating N-channel MOSFET in order to reduce the current; and in shutdown current operation, the LED is OFF.

The MP4651ES-LF is an innovative and efficient PMIC designed to drive a wide variety of LED lighting applications. It features a wide input voltage range, low quiescent current, and over-temperature, over-current, and over-voltage protection. It is also capable of providing a constant current output to ensure connected LEDs operate with consistent brightness. By utilizing a four-stage control process, low-side dimming, and brake current operations, this device allows for smooth transition of light intensity and maximum efficiency.

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