TLC5951RTAR

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The TLC5951RTAR is a high-voltage dot-correction automated linear current regulator for LED displays. It works with a constant current charging system to ensure maximum brightness and uniformity in its applications. The TLC5951RTAR is a unique and easy to integrate PMIC (Power Management IC) for LED drivers, offering current-regulation and dot-correction in a single package. By eliminating the need for costly additional components, this product cuts system cost while also allowing for more efficient design. This makes it a perfect solution for applications such as TV backlighting, monitors, portable electronics, and more.

The TLC5951RTAR features a 16-bit linear current regulator, allowing the user to control the brightness level of individual LEDs with accurate and smooth transitions. This allows for improved brightness and colors in displays, resulting in better visuals. The device has a wide output voltage range of 75V to 180V and can support 16 LEDs. It also features flexible and easy to implement soft-start and external dimming control, giving the user more control over their LED display.

In terms of working principle, the TLC5951RTAR uses hard-coded “DOT Correction”. This is a type of nonlinear processing that digitally calculates the ideal current required to drive each LED in order to achieve a uniform brightness across all LEDs. This is done by measuring the brightness of each LED and adjusting the current supplied to that LED to bring it back in line with the target brightness for the whole display. This ensures the LEDs remain evenly illuminated and the display remains consistent, regardless of the environment or the viewing angle.

The TLC5951RTAR also comes with built-in LED open circuit, over voltage, and over temperature protection to prevent damage to the LED display. It has a maximum power dissipation rating of 3W, making it perfect for applications where space is at a premium. The product is qualified to JEDEC standards and is pin-compatible with existing drivers such as the TLC5951RTAR.

The TLC5951RTAR is a great, cost-effective option for LED drivers. Its DOT correction technology and wide voltage input range make it ideal for many display applications, and its inbuilt protection features make it reliable and safe to use. This PMIC makes display designs easier and more efficient, and its cost-effective nature makes it a great choice for all-around LED driver applications.

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