BQ24616EVM

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Evaluation and Demonstration Boards and Kits have increasingly become an important part of engineers’ toolbox. These boards and kits allow engineers to experiment with and demonstrate different circuits in order to understand their behavior more comprehensively. BQ24616EVM application field and working principle is a prime example of such an Evaluation Board and Kit, as it provides an excellent platform for engineers to get a better understanding of their designs.

BQ24616EVM is a high efficiency synchronous battery charger for dual cell Li-ion/Li-polymer battery packs. It has an integrated high-side N-FET and 3 level power path control that supports up to 4A charge current with output voltage range from 3V to 15V. The BQ24616EVM has an extensive range of features to meet the application system requirements, including adaptive charge current, pre-charge, trickle charge, output current monitoring and cell temperature monitoring.

The BQ24616EVM provides up to 8 input switch options which can be used for setting different input current levels, charging parameters and operating modes. The BQ24616EVM also supports optional thermal measurement using a thermistor. This thermistor can be used to monitor cell temperature and protect the system in case of over temperature. It also incorporates an intelligent battery gauge, which measures battery voltage and current for accurate end of charge detection. In addition to this, the BQ24616EVM also supports programmable safety timers and under voltage lockout.

The working principle of BQ24616EVM is based on the concept of power path management. This technology provides multiple input paths to charge a battery efficiently and safely. The BQ24616EVM has two power sources, one from the adapter and one from the battery. The control circuit monitors the input current and will enable the path with the highest available input current, while maintaining a steady output current. This ensures that the charger is always working at an optimal level, delivering maximum power delivery from the source to the battery.

BQ24616EVM can be used for a variety of applications such as automotive, portable systems, and energy storage systems. It is designed to meet the specific needs of each application and features adaptive charge current, battery measurements, protection features, and flexible input switch options. In automotive applications, the BQ24616EVM can be used to charge Li-ion or Li-polymer battery packs in electric vehicles or hybrid vehicles. It is also suitable for portable applications such as mobile phones, tablet PCs, digital cameras, as well as energy storage systems.

In summary, the BQ24616EVM provides an excellent platform for engineers to experiment with and demonstrate different battery charging systems. With an extensive set of features, including adaptive charge current, pre-charge, trickle charge, output current monitoring, cell temperature monitoring, and intelligent battery gauge, the BQ24616EVM can meet the requirements of a variety of automotive, portable, and energy storage applications.

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