TPS61054EVM-273

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The TPS61054EVM-273 is an evaluation module for TI’s TPS61054 LED Driver. It is part of TI’s family of LED Driver Evaluation Modules and is used for evaluating, testing and debugging the TPS61054 LED driver prior to production. This evaluation board is designed for a wide range of applications related to powering of high-power LEDs.

The TPS61054EVM-273 is capable of providing up to 22 W of power output with a 3.3 V power supply input. It features an output voltage range of 3.3 V to 45 V, with an adjustable current limit. The module also provides a feedback current sensing circuit that can be used to limit the load current when LEDs are driven with a constant-current source.

The TPS61054EVM-273 evaluation board has a 3x2 pin header with a wide range of output configurations: CC, CV, and PTO. Depending on the application, different jumper settings can be used to optimize the output voltage and current. The evaluation board also has an integrated ground-sense circuit that is used to ensure the power supply input voltage is maintained at a constant level.

In addition to providing an adjustable output voltage and current limit, the TPS61054EVM-273 also provides protection against short-circuits, over-voltage, and over-current conditions. It also features a heatsink to improve thermal performance. Finally, the evaluation board utilizes a 4-layer PCB design to provide a low-cost, high-performance solution for LED driver prototyping and evaluation.

The working principle of the evaluation module is fairly straightforward. Power is supplied to the input pins, and the TPS61054 LED Driver chip adjusts the output voltage and current as needed to power the LEDs. The on-board current sensing circuit is used to limit the load current when the LEDs are driven with a constant current source. The TPS61054EVM-273 also has a feedback circuit that is used to regulate the input voltage, ensuring the power supply input voltage is maintained at a constant level.

The TPS61054EVM-273 evaluation board is ideal for prototyping and evaluating multiple types of high-power LED driver applications. It is designed to be used with a wide range of power supplies and can provide up to 22 W of output power. With its adjustable output voltage and current limit, over-voltage, over current and short-circuit protection, and 4-layer PCB design, the TPS61054EVM-273 is the perfect solution for any LED driver project.

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