BD8379EFV-ME2

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PMICs, or Power Management Integrated Circuits, are devices used to regulate power and how it is used in consumer products. They are used to combine multiple components and make them simpler to use and to control. One such device is the BD8379EFV-ME2, which is an LED driver.

What Does the BD8379EFV-ME2 Do?

The BD8379EFV-ME2 is an application specific integrated circuit (ASIC) designed to provide power control to LEDs. It is optimized for low to medium current applications, allowing it to control up to 64 individual LEDs connected in series, parallel or combinations of the two. LEDs are often used in products such as televisions, automotive lighting and backlighting for LCD displays.

What Makes the BD8379EFV-ME2 Unique?

The BD8379EFV-ME2 is an efficient, small size LED driver. It integrates an efficient boost switching regulator and a multiple of 64x LED current regulators. Additionally, it supports LED power control with a single wire bus that enables low latency dynamic LED brightness adjustment. The BD8379EFV-ME2 is also equipped with a 3-channel PWM input and 4-bit audio response that allows for flexible audio-based LED control.

BD8379EFV-ME2 Working Principle

The BD8379EFV-ME2 offers a single wire bus for LED power control. This bus transmits analog signals from a host device to the LED driver to control brightness, pulse width modulation and audio response of LED channels. The LED driver then implements the input signals to adjust power conversion and LED current output.

The BD8379EFV-ME2 also employs a constant frequency, peak current mode control topology that is designed to reduce input ripple, providing optimal power conversion efficiency. This ensures that LEDs are driven with a consistent light intensity with no flicker or visual artifacts.

Conclusion

The BD8379EFV-ME2 is an advanced LED driver application specific integrated circuit (ASIC) for low to medium current applications. It is small in size, efficient, and offers a single wire bus for low latency dynamic LED brightness adjustment. It features an efficient boost switching regulator and can control up to 64 LEDs connected via series, parallel or combination of the two. With its 3-channel PWM input and 4-bit audio response, it enables flexible audio-based LED control.

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