BD6081GVW-E2

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The BD6081GVW-E2 is an integrated circuit by ROHM that belongs to the MediaTek family of Power Management ICs (PMIC). The power management IC and LED Driver is designed for use in consumer applications such as digital TVs and monitors, digital cameras, digital audio, mobile devices, and other consumer devices. The main function of the BD6081GVW-E2 is to create and control the backlight for LCD displays.

The BD6081GVW-E2 is a poly-phase step-up converter that supports up to five outputs, each with its own separate on/off control. The device adjusts the current to each output to provide the required voltage to the backlight. This provides accurate and stable brightness levels while efficiently managing the power consumption of the backlight. Additionally, the BD6081GVW-E2 features a built-in over-temperature protection circuit, an over-current protection circuit, and an over-voltage protection circuit (OVP) to ensure the safe operation of the device.

The BD6081GVW-E2 also features an Integrated Gate Driver (IGD) to enable the independent on/off control of up to five PVLED outputs. The IGD varies the pulse width of each output to make sure that the LEDs maintain the desired brightness level. Additionally, the use of PMIC-LED drivers allow for a higher level of system integration, as it requires fewer external components.

The BD6081GVW-E2 is designed to work with all types of LCD displays, including AMOLED, LED backlight, and even dual-source direct lighting LED backlights. It has an adjustable short circuit current of 0.3-1 A, making it suitable for a variety of LED designs. The device also supports up to 7.5 A peak current and 1.5 A continuous current, making it capable of powering large backlight configurations.

In terms of the application field of BD6081GVW-E2, it is highly versatile and suitable for many applications. It can be used for backlight in LCD and AMOLED displays, for lighting up signage, for powering LED light bulbs, for powering LED displays in vehicles, for powering flashlights, and for many more applications. Additionally, the BD6081GVW-E2 can be used with other components to construct a lighting system, such as a digital dimmer, an adjustable brightness remote control, and more.

The working principle of the BD6081GVW-E2 is through a series of steps. First, the device takes the input voltage, which could be either DC or AC, and converts it into a voltage required to power the LEDs. Second, the device uses a switching circuit to adjust the output to generate the required current while maintaining a constant voltage. Third, the device controls the current by varying the pulse width modulation output. Finally, the resulting voltage and current are used to power the LEDs.

In summary, the BD6081GVW-E2 belongs to the family of MediaTek power management ICs (PMIC) and is a poly-phase step-up converter that supports up to five outputs and offers an Integrated Gate Driver (IGD). It is suitable for many applications, such as backlight in LCD and AMOLED displays, signage, LED bulbs, LED displays in vehicles, and more. The working principle of the device is achieved through a series of steps, beginning with the input voltage conversion, adjusting the output, controlling current through pulse width modulation, and finally, powering the LEDs.

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