BD6583MUV-E2

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BD6583MUV-E2 is a very high performance PMIC (Power Management Integrated Circuit) for LED (Light-Emitting Diode) Drives. It can support two open-drain NMOS-based channels and their work efficiency. The implemented chip is embedded with many different protection mechanisms, to ensure a long product lifetime and safe operation. Additionally, its ultra-low-power mode with maximum demand currents up to 10A makes it perfect for lighting applications.
BD6583MUV-E2 is suitable for a wide range of applications, such as display backlights, indicator lights and vehicle signal lights. Flexibility is mostly due to its multiple power input options and its built-in support for multiple dimming techniques. In terms of output current regulation, the BD6583MUV-E2 has a PWM dimming mode that can be operated in either pulse-width modulation (PWM) or pulse-width dimming (PDM) power control schemes.Moreover, it provides high accuracy output current control. The accuracy of the current control is adjustable within ±1%. Furthermore, it has a low quiescent current that can exceed 1μA and also offers a wide selection of light frequency signals.
The working principle of the BD6583MUV-E2 is fairly simple. Its two channels share a start port. The output from the LED driver starts when the voltage at this port exceeds the threshold voltage. The channels are enabled by two MOSFETs, which control the output current. This is done by controlling the resistance between the gate and drain of the device.The current can be adjusted with a maximum peak current of 10A by setting the voltage on the gate. The built-in slope compensation of the BD6583MUV-E2 enables the controlled current to remain linear at a given current across a range of load conditions.Finally, the BD6583MUV-E2 includes an overvoltage and an undervoltage protection feature. These features are enabled when the input voltage of the chip exceeds 2.7~25V, which helps protecting it from damage caused by voltage fluctuations.In conclusion, BD6583MUV-E2 is perfect for LED drive applications due to its multiple power input options and its wide selection of dimming techniques. Furthermore, the chip has many protection mechanisms, such as an overvoltage and undervoltage protection, to ensure a long product lifetime and safe operation.

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