BD6081GU-E2

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PMIC (Power Management Integrated Circuit) is a family of integrated circuits that power systems and subsystems by providing a wide range of functions related to power management. LED Drivers are a versatile family of products within the PMIC family and the BD6081GU-E2 is a highly efficient LED driver IC which provides all the essential requirements to drive LED lighting, such as protection against LED open or short-circuit and thermal protection for the LED.

The BD6081GU-E2 illuminated device is a secondary side synchronous rectifying buck converter intended for driving LEDs. This specific device employs synchronous rectification to minimize power losses, and further substantially reduces the conduction losses of the output switching FET which can be used to achieve high efficiency. Its advanced topology eliminates the need for external snubber and resistor clamp networks, reducing external components and PCB footprint size.

The working principle of BD6081GU-E2 is based on Boost-Buck hybrid constants current regulator. The control architecture of the device achieves good output current accuracy with minimum number of external components. The device consists of a high side FET coupled with a synchronous MOSFET that provides a boost-buck conversion structure. The output of the buck stage regulates an output voltage to either a fixed voltage or a voltage that is proportional to the feedback voltage (VFB).

The main application area of the BD6081GU-E2 is the lighting industry which is currently driven by a range of new technologies such as LED lighting. The BD6081GU-E2 is suitable for driving up to 4W of LEDs in series. The applications such as Down/Spot/Lamp, Bulb, Street lights, and Strip lights are powered by the BD6081GU-E2.

BD6081GU-E2 has a frequency range of 100KHz-1MHz, and an adjustable output current limit from 100mA to 3000mA. It is designed to provide a very stable current in the LED load and to provide precise LED current matching. The external components used for LED current control can be eliminated as the LED driver IC can be programmed for LED current and enable/disable. The device also provides a PWM input for dimming the LED lights.

The BD6081GU-E2 integrated circuit includes both analog and digital features such as overvoltage protection, undervoltage lockout, output current limit and soft start. An internal voltage monitor keeps the output voltage in a safe operating range, while the thermal monitor provides protection against unexpected temperature increases. Furthermore, the device has built-in protection against LED open and short circuit, making sure that the LEDs connected to the device are always within a safe operating range.

Overall, the BD6081GU-E2 LED driver IC is an excellent solution for LED lighting applications that require precise and stable LED current, reliable protection functions and a small footprint. Its intelligent design eliminates the need for extra components, optimizes power density, provides high efficiency and reduces system noise. This makes it an ideal choice for high power LED lighting applications.

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