HV9963NG-G

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HV9963NG-G is a high-efficiency and high-voltage LED driver integrated circuit (IC) designed for the operation of high voltage LED power supplies up to 500V for the lighting industry. It is commonly classified as high voltage PWM LED driver, which belongs to the power management integrated circuit (PMIC).

HV9963NG-G LED driver is designed for a wide range of high voltage LED applications including LED based street lights, decorative LED lights, and floodlights. It is also suitable for single-stage and multi-stage LED lighting applications. It features a wide voltage range and can be used to provide constant voltage and current control in applications with voltage up to 500V. The driver offers high efficiency of 90% and power factor of 0.97, as well as fast response time.

The HV9963NG-G application field is mainly for high voltage LED lighting systems. It is designed to provide a safe, efficient, and reliable power solution for its user. The HV9963NG-G driver offers constant voltage and current control, which is essential to ensure the long lifespan and the desired light output level. The driver could be used to build high power LED lighting systems with multiple LED strings, in order to increase their efficiency, reduce their costs, and improve the luminosity of lighting devices.

The HV9963NG-G working principle is based on a dynamically adjusting pulse width modulation (PWM) technique, which allows it to regulate LED brightness over a wide operating temperature range, while ensuring the LED temperature remains constant. The PWM technique ensures the LED current is regulated according to the required brightness level by comparing the reference voltage to the feedback voltage from the load. The dynamic adjustment is provided by the driver’s feedback loop and its internal compensation algorithm.

Another important feature of the HV9963NG-G driver is its over-current protection circuitry. The driver is able to detect an overload situation and shut off the supply voltage in order to avoid any damage to the LED circuit. It is also designed to provide a short-circuit current protection and LED open/short protection.

In conclusion, the HV9963NG-G LED driver is a high-efficiency, high-voltage, controllable LED driver suitable for a wide range of LED lighting applications. It is perfect for applications requiring constant voltage and current control, as well as long service life, efficient operation, and high power. The driver’s working principle is based on a dynamically adjusting PWM technique, which allows it to regulate LED brightness over a wide operating temperature range. It also features an over-current protection circuitry and LED open/short protection, as well as fast response time. The HV9963NG-G is a perfect choice for building reliable and efficient high power LED lighting systems.

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