CAT3643HV2-T2 Integrated Circuits (ICs)

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The CAT3643HV2-T2 PMIC LED Driver is a 3-channel, high-efficiency constant-current LED driver designed for applications such as display backlighting, automotive applications, signs, and architectural lighting. This device operates on a 2.7V to 5.5V input voltage range, providing a typical 350mA sink current at 3.3V for each channel for a total of 1050mA. As an advanced PMIC LED driver, the CAT3643HV2-T2 provides a wide range of features, including adjustable output current and supply operation, digital dimming support, multi-channel output control, over-temperature and over-current protection, as well as over-voltage protection and digital power-save mode.

The digital interface of the CAT3643HV2-T2 provides a simple and convenient way of controlling each LED channel. Standard commands allow users to configure the output current up to 350mA, the operation mode of the device, the dimming settings, and the power save mode. The dimming interface supports a variety of dimming methods, such as pulse-width modulation (PWM) and pulse-density modulation (PDM), allowing users to adjust the brightness of the LEDs with great precision. It is also possible to control multiple LED channels with a single I2C bus.

The CAT3643HV2-T2 also features an adjustable output voltage range, allowing users to select an operating voltage to ensure that the LEDs remain at the desired brightness level. This device also provides a wide-range of safety features, such as over-temperature and over-current protection, as well as over-voltage and digital power-save mode to ensure the safety of the sys

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