TLC5942RHBR

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PMIC - LED Drivers are a type of power management integrated circuit (PMIC) for LED control and illumination. LEDs are highly efficient yet requiring very precise control - the slightest issue in regulating the input current can drastically reduce the lifetime of the LED, or cause the wrong intensity or color of light. The TLC5942RHBR is a new PMIC - LED Driver from Texas Instruments that introduces a novel approach to LED control and illumination while also providing extremely precise current control.

The TLC5942RHBR features a four-channel current sink driver that can control individual red, green and blue (RGB) LEDs, as well as a fourth channel for white, warm white, and neutral white LEDs. This device is especially useful in applications such as automotive, industrial and general-purpose lighting where individual control of each LED is desired. It has a maximum output of 25 mA per channel and is designed to work with low-voltage (< 1.2V) inputs, allowing for true color accuracy, longer LED life and reduced system power consumption.

The TLC5942RHBR application field is broad - it is well-suited for applications including low-power lighting, RGB-lighting systems, automotive lighting, and any other application that requires precise LED control.

The working principle of the TLC5942RHBR is based on a unique 4:1 analog multiplexer that accurately distributes the current running through each channel. The multiplexer is controlled by a four-wire serial digital interface, allowing for an easy and straightforward configuration. As a result, the device can adjust the current running through each channel, depending on the application needs. This allows for accurately controlled, highly efficient and variable color control, as well as improved luminance control and over-temperature protection.

The TLC5942RHBR is a low-power, high performance PMIC - LED Driver designed to meet the needs of the most demanding illumination applications. By combining individual channel control with dynamic current regulation, the device ensures extremely precise current control and excellent color accuracy, while also reducing power consumption and prolonging the life of the LEDs.

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