HV9985QP-G Integrated Circuits (ICs)

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The HV9985QP-G is a popular DC/DC LED driver employed in a variety of applications, particularly when used to drive AC-DC power supplies and LED luminaires. The device is rated to up to 80V, 500mA and 250V, 1.0A outputs. Its high efficiency and low noise performance are among the reasons it is so popular in a wide variety of applications. In this article, we will look at the HV9985QP-G\'s application fields and working principle, as well as its features.

Application Fields for the HV9985QP-G

The HV9985QP-G is primarily employed in three main application fields: AC-DC power supplies, LED lighting, and automotive lighting. In AC-DC power supplies, the HV9985QP-G is used to step down the AC power from the grid to a stabilized DC voltage which is then used to drive the LED lighting. In LED lighting, the HV9985QP-G is used to condition and regulate the LED current flow so as to maximize luminosity while efficiently consuming both energy and power. Finally, in automotive lighting, the HV9985QP-G is used to ensure a stable voltage and current flow to automotive LED driving lamps.

Working Principle of the HV9985QP-G

The HV9985QP-G integrates a DC/DC converter along with digital and analog integrated circuits which together form the main functional block. The AC power is stepped down by the full-bridge rectifier and a small-signal power switching controller is employed to regulate the voltage and current. This effectively allows for efficient and controlled current flow which is then sent to the point-of-load. The HV9985QP-G can be integrated into existing AC-DC power supplies as well as OEM designed systems.

The HV9985QP-G also features a variety of protection mechanisms such as overvoltage, over-current, over-temperature, and short-circuit protection. All of this ensures a highly reliable system that is able to operate in a wide range of different environmental conditions. In addition, the device also features an optimized efficiency of up to 88 percent and a fast start-up time of less than 100 microseconds.

Key Features of the HV9985QP-G

The HV9985QP-G features a variety of features which make it an ideal choice for applications such as AC-DC power supplies, LED lighting, and automotive lighting. These features include:

• High efficiency up to 88 percent
• Low noise performance
• Small-signal power switching controller
• Overvoltage, over-current, over-temperature, and short-circuit protection
• Fast start-up time of less than 100 microseconds
• Compact design

These features make the HV9985QP-G a highly reliable and efficient device, making it an ideal choice for a wide variety of applications. Its advantages include a high efficiency, low noise performance, fast start-up time, and small footprint, all of which make it a great choice for applications such as AC-DC power supplies and LED lighting.

Conclusion

The HV9985QP-G is a popular DC/DC LED driver used in a variety of applications. Its small size and excellent performance make it an ideal choice for applications such as AC-DC power supplies, LED lighting, and automotive lighting. Furthermore, its high efficiency, low noise performance, and fast start-up time make it an ideal choice for a wide range of applications. As such, it is no surprise that the HV9985QP-G is a highly popular device in the PMIC - LED Drivers market.

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