RDK-131 Development Boards, Kits, Programmers

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Introduction

RDK-131 is an evaluation board used to study and evaluate TI\'s TLC5951 LED driver. This board is suitable for driving high power LEDs with large currents and high voltage, providing precision accuracy and noise protection. RDK-131 also features a wide operating temperature range of -40 °C to 85 °C and low power consumption that makes it suitable for many industrial applications. RDK-131 doesn\'t require external components or host processor to configure and operate, making it a great choice for LED lighting solutions.

Applications

The RDK-131 LED driver can be used for both commercial and industrial LED light applications. It is especially suitable for driving large currents with high voltage and high efficiency at both high and low temperatures. Moreover, the board can be used for any complex system designs needing dynamic control of LED intensity, such as automotive illuminating systems.

The TLC5951 contains nine constant-current output drivers and six strobe drivers. Each of the constant-current drivers has its own driver enable input to control its respective outputs. The RDK-131 also features LED fault reporting to detect open LED and short LED conditions. This is especially useful in fault-tolerant LED driving applications.

Working Principle

The RDK-131 contains a powerful TLC5951 LED driver and an integrated R3piller microcontroller. The TLC5951 chip uses pulse-width modulation (PWM) to control the current flow to each individual LED output. The PWM signal is generated by the R3piller microcontroller and can be configured through the external I/O pins or through the onboard USB. By adjusting the PWM frequency and duty cycle, the board can provide precise control of the output current for each individual LED output.

The RDK-131 also provides a dedicated external clock input that can be used to synchronize multiple boards. This allows the user to daisy-chain the boards and synchronize their outputs. This feature adds flexibility and scalability to the system design, making it well suited for large-scale LED lighting systems.

The board also contains various integrated protection features. These built-in features include over-current protection, thermal shutdown, short-circuit protection, and over-voltage protection. All these features provide superior protection against component failure and component damage. They also ensure that the RDK-131 is suitable for highly critical lighting applications.

Summary

The RDK-131 LED driver is a powerful evaluation board with many features. It is suitable for driving complex LED lighting systems efficiently. The board includes a TLC5951 LED driver and an integrated R3piller microcontroller. It also offers a wide operating temperature range, low power consumption, and excellent protection against component damage. Moreover, it has an external clock input for daisy-chaining multiple boards, providing scalability and flexibility to LED lighting systems. In summary, RDK-131 is an excellent evaluation board for driving high power LEDs.

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