TLC5923DAPR

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The TLC5923DAPR is an LED driver that belongs to the PMIC (Power Management Integrated Circuit) family, and is commonly used to drive LEDs in applications like automotive dashboard displays, LCD backlighting, and commercial indicators. The TLC5923DAPR is a 9-bit, high-efficiency IC that is compliant with automotive-grade systems, providing a low power consumption and advanced features for the fastest response times.

Using the TLC5923DAPR, users can adjust the intensity of one or more LEDs. It also has a built-in Pulse Width Modulation (PWM) that adjusts the intensity of each LED based on the programmed duty cycle. This allows the driver to maintain consistent illumination levels while providing additional control over the intensity of the LEDs. The advanced features of the TLC5923DAPR enable the user to program an LED’s brightness through controlling the internal voltage, current, and heat. This is especially useful in applications that require a responsive and high dynamic range LED solution.

At the heart of the TLC5923DAPR is a built-in voltage regulator, which allows for efficient operation of the device. It also features an on-board surface-mount tantalum capacitor, making it easier to provide decoupling from other electronic devices. The TLC5923DAPR typically operates from 9V to 15V, with a typical quiescent current of 0.4mA per LED. It is capable of providing up to 5A of LED current.

The TLC5923DAPR features independent 8- and 9-bit PWM control. This allows users to tailor their LED brightness to specific needs. In addition, the driver provides over-voltage and over-current protection as well as thermal protection. All of these features contribute to a reliable and robust LED output.

One of the most common applications for the TLC5923DAPR is automotive dashboard displays. The IC is capable of providing up to 3A per channel, and is designed to operate over a wide temperature range, making it ideal for automotive applications where temperatures can vary greatly. The IC allows users to program individual LEDs, as well as a cluster of LEDs, to provide consistent intensity levels and avoid brightness aberrations.

In LCD backlighting applications, the TLC5923DAPR is ideal for controlling a single, monochrome LCD module. Its PWM output allows for dimming of LCD backlighting levels, allowing significant power savings. The TLC5923DAPR is also commonly used for commercial LED indicators, such as traffic signals. Here, its independent 8-bit and 9-bit PWM control allows for greater versatility in the intensity levels of different LED clusters.

Overall, the TLC5923DAPR is an efficient LED driver for automotive, LCD backlighting and commercial LED indicator applications. With its on-board voltage regulator, high current output, and independent 8- and 9-bit PWM control, the TLC5923DAPR is a reliable and efficient choice for any project requiring LED control.

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