BQ24745EVM

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Evaluation and Demonstration Boards and Kits often offer unique and comprehensive solutions for the development and evaluation of electrical, electro-mechanical, communications, control, instrumentation, and other technological systems. For keen engineers, these kits and boards are essential for testing and creating productive projects. One of the most popular kits and boards is the BQ24745EVM.

The BQ24745EVM kit is used for evaluating the integrated BQ24745 switching charger with integrated power-path management. This integrated switching charger is ideally used for 5V or 9V single-cell lithium-ion applications such as power banks, home automation, mobile phones, and many more. The evaluation module provides various performance and safety features such as the 5V/2A or 4.2V/2A thermal foldback loop, adjustable output voltage, battery voltage over-voltage protection, disable function, and ultra-low power mode.

The BQ24745EVM works on the principle of a switched-mode power supply using a buck topology. It reduces the voltage from the input source with the help of a high frequency switching circuit. It is integrated with a power-path management along with its own control IC. The IC provides all the necessary signals for the MOSFET control and an external bias supply that drives the PWM controller for main power flows.

The BQ24745EVM also supports light load shutdown levels and thermal foldback settings with programmed data settings and register settings. The main functionality of the device is to control the input dc source voltage and to convert the current from the dc source into a stable dc output voltage, which can be adjusted according to the desired application requirements. In order to protect the system components from overloading and over-heating, the BQ24745EVM also supports various protective and limiting features.

Apart from its wide application field, the BQ24745EVM kit also has various advantages when compared to other similar kits. Firstly, it contains a pre-programmed NTC thermistor which can be used for thermal foldback and current limitation. Secondly, the BQ24745EVM allows the user to establish a very low and stable output voltage from the input dc source which is adjustable from 5 to 9V. Thirdly, it provides a better voltage and current regulation with quicker transient response time for various applications.

In conclusion, the BQ24745EVM kit is one of the most popular evaluation and demonstration boards and kits. It is easy and versatile to use and provides various features and advantages for its wide application field. With its integrated switching charger, power-path management, and various protective and limiting features, the BQ24745EVM provides extensive solutions for the evaluation and development of various electrical, electro-mechanical, communication, control, instrumentation, and other technological systems.

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