CAT3649HV3-GT2 Integrated Circuits (ICs)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Application Field and Working Principle of CAT3649HV3-GT2 LED Drivers

As a PMIC (Power Management Integrated Circuit), the CAT3649HV3-GT2 LED driver is designed specifically for RGB lighting. The device supports a wide range of inputs and output voltage as well as providing high efficiency and accuracy control. It is also capable of multiple shelf operating temperature ranges and offers high-precision PWM dimming, making it widely applicable for indoor lighting, outdoor lighting, backlighting, and more.

Key Features

• Wide input voltage range: 3.3V~18V
• Output voltage range: 15V~100V
• Wide operating temperature range: -40℃ ~ +85℃
• High efficiency of up to 95%
• High PWM dimming accuracy of +/- 0.2V
• Over-current, over-temperature, and short-circuit protection

Applications

CAT3649HV3-GT2 LED drivers are ideal for a wide variety of applications, including lighting and signaling, stage lighting and theaters, automotive interior/exterior lighting, decorative lighting, and electronic gaming. It is particularly well-suited to applications where precise control and dimming are required, such as ambient lighting and RGB lighting.

Working Principle

The CAT3649HV3-GT2 LED driver utilizes a switch-mode controller IC to control the output current and voltage in order to properly drive the LED. This is done by sensing the LED current and adjusting the current accordingly. It uses the chip\'s over current protection function to protect the LEDs from over current, over voltage, and short circuit conditions. This means that in case of an emergency, the LEDs will be shut off automatically. The output voltage of the driver can be controlled via an external PWM signal. This signal can be used to set the illumination intensity of the LEDs and vary the color of the LEDs as per the applications requirement. This allows for versatile control of the LEDs for a variety of applications. When the device is powered on, the output current will begin to rise and increase until it reaches the desired level. Once the output current reaches the desired level, the switch mode controller will adjust the current accordingly to keep the output current at a steady and constant level. This ensures that the LED stays at its desired brightness level and does not flicker.

Conclusion

CAT3649HV3-GT2 LED drivers offer an ideal solution for multiple lighting applications which require precise control, wide temperature range operating, and high efficiency. With over-current protection, over-temperature protection, and short-circuit protection, the device offers reliable and long-lasting LED performance.

The specific data is subject to PDF, and the above content is for reference