BQ24055EVM

BQ24055EVM is an evaluation board from Texas Instruments (TI), and it is designed to evaluate and demonstrate the functions and features of the BQ24055 NearestFit™ synchronous monolithic buck controller. The BQ24055EVM contains a variety of features which can be used to evaluate the system performance and characteristics of the BQ24055. The BQ24055EVM includes an isolated 3.3V single input voltage regulator between the power source and the buck controller, and an isolated noise-filtering stage for improving the cleanliness of the system. Additionally, the BQ24055EVM provides an output voltage monitor, PLL circuit, and over-current limiting circuit.The BQ24055EVM is an excellent tool to evaluate the BQ24055 and determine its suitability for a particular application, as well as demonstrate the features and performance of the controller.

Application Field

The BQ24055EVM is well suited to evaluate and demonstrate the performance of the BQ24055 in the areas of single POL/DVM Platforms, Smartphone, Tablet and Wearable charging, Dock Chargers, and Power Banks. The BQ24055 includes a highly integrated synchronous monolithic buck controller with NearestFitTM technology which allows for a smaller, more efficient power supply design. The BQ24055EVM can be used to evaluate the performance of the BQ24055 in these applications and gain an accurate understanding of the performance of the controller.

Working Principle

The BQ24055EVM provides a complete platform for the evaluation of the BQ24055 synchronous monolithic buck controller. The BQ24055EVM contains a power source, an input voltage regulator, noise-filtering stage, output voltage monitor, PLL circuit, and over-current limiting circuit. The BQ24055EVM also contains useful test points which allow the user to evaluate the performance of the BQ24055. By evaluating the performance of the BQ24055 on the BQ24055EVM, the user can gain an accurate understanding of the performance of the controller in their application.

The BQ24055 synchronous monolithic buck controller contains a high efficiency, high side MOSFET and a low side MOSFET, which can be controlled via PMBus or register based commands. The BQ24055EVM uses the PMBus to control the BQ24055, and the PMBus lines can be connected to a system controller or PC for control. Additionally, the BQ24055EVM contains useful test points which allow the user to evaluate the performance of the controller such as the input voltage, output voltage, current, and PLL frequency.

Conclusion

The BQ24055EVM is an excellent tool for evaluating and demonstrating the performance and features of the BQ24055 synchronous monolithic buck controller. The BQ24055EVM includes a variety of features such as an input voltage regulator, noise-filtering stage, output voltage monitor, PLL circuit, and over-current limiting circuit, which allow the user to accurately evaluate the performance of the BQ24055 and demonstrate its features in their application. The BQ24055EVM is well suited to evaluate and demonstrate the performance of the BQ24055 in the areas of single POL/DVM Platforms, Smartphone, Tablet and Wearable charging, Dock Chargers, and Power Banks.