HV9912NG-G-M901 Integrated Circuits (ICs)

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HV9912NG-G-M901 is a sophisticated LED Driver Controller IC specifically designed for driving general-purpose LED applications requiring medium to high power outputs. It consists of an integrated switch-mode current regulator that provides stable and efficient step-down (buck) LED current control. With its high integration, precise dimming control, wide LED current range, over voltage protection and extended temperature range, the HV9912NG-G-M901 is a robust solution for all kinds of LED general lighting.

Applications

The HV9912NG-G-M901 LED Driver IC is ideal for a wide variety of LED lighting applications, from indoor/outdoor lighting, general lighting, and automotive lighting to LED signs and billboards. It is also suitable for LED lighting for home, industrial and commercial applications, such as LED tube light, LED strip light, LED ceiling or downlight, LED bulb, LED panel and so on.

Working Principle

The HV9912NG-G-M901 operates on the principle of pulse-width modulation (PWM). This technique works by turning the LED on and off very quickly in order to create a dimming effect. The PWM period is adjustable and can be as short as 350ns. A constant peak (non-dimmed) current is supplied to the LEDs by the switch-mode current regulator. The peak current, as well as the dimming command, can be adjusted with external components. The switch-mode current regulator also helps to ensure a highly efficient power conversion.

The HV9912NG-G-M901 also features a variety of protections to ensure safe operation. These include short-circuit, over-voltage, over-temperature, and over-current protections, along with a soft start circuit.

Conclusion

The HV9912NG-G-M901 is a high-performance and highly-integrated LED Driver IC specifically designed for driving general-purpose medium-to-high power LED applications. It offers precise dimming control, wide LED current range, over voltage protection and extended temperature range, which make it an ideal choice for a wide variety of LED lighting applications. Through its high integration and switch-mode current regulator, it provides high efficiency, reliability and safety.

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