HV852K7-G

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Power management integrated circuits (PMIC) are devices that are specifically developed for the regulation of power levels and for the accurate management of voltage for electronic products. PMICs are widely applicable to communication devices, media players, embedded systems and other similar products. Lighting, ballast controllers and HV852K7-G are all part of the PMIC family.

The HV852K7-G is a ballast controller IC developed for use in dimming systems, specifically for high voltage and low voltage applications in both AC and DC power systems. The HV852K7-G is designed to provide an efficient and economical regulation of the power supply in these types of systems. As a ballast controller, the IC provides an easy solution to the most common power supply problems encountered in lighting systems, including the protection of sensitive components from overloads and short circuits, current and voltage regulation, overvoltage protection, and dimming effects.

The HV852K7-G is suitable for use in various lighting applications such as spotlights, floodlights, and street lighting. However, unlike other ballast controllers, the HV852K7-G is also suitable for applications such as automotive lighting, backlighting, and general lighting, due to its unique design features. Some of the unique features of the HV852K7-G include over current protection, low voltage protection, over-temperature protection, LED dimming and LED current control.

The HV852K7-G is designed to operate with three operating modes: first, it can be dedicated to a single channel in order to reduce input power dissipation; second, it can be dedicated to a multi-channel and it can be used in distributed power applications; third, it can be dedicated to a single channel with a commanded system, thus providing a more accurate power consumption control. Furthermore, it can be used to control up to 15 V and consists of a special protection circuit that protects the system even when the input power is affected.

The HV852K7-G is equipped with PFC and high voltage protection and current control algorithms that guarantee a safe and reliable operation, even when exposed to overvoltages. Moreover, the HV852K7-G provides a high frequency design for maximum noise immunity, a low standby current requirement, and an adjustable dimming speed. Additionally, it features an overvoltage protection algorithm, which is adjustable via a DAC, and can detect and block any overvoltage that exceeds 1.5x the reference voltage.

The HV852K7-G also offers a dimming range of 0-100%, allowing the user to adjust the light brightness according to their needs. Furthermore, it comes with a few other features such as open loop protection, thermal foldback output, and programmable time-out circuit protection. The HV852K7-G is also equipped with a synchronization circuit and a built-in frequency hopping/crossing on two dampened sine waves, which make it suitable for use in applications such as cinemas, stage lighting and laser lighting.

In conclusion, the HV852K7-G is an ideal ballast controller for both AC and DC power systems due to its various outstanding features, making it suitable for applications such as automotive lighting, general lighting, backlighting and more. With its multiple operating modes, PFC and high voltage protection, current control algorithms, and its unique dimming range, the HV852K7-G is a perfect choice for lighting and ballast controllers applications.

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