BQ27520EVM

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Evaluation and Demonstration Boards and Kits offer a number of advantages for developers looking to quickly evaluate and demonstrate their products. The BQ27520EVM is a prime example of such a product, providing a complete solution for developing an energy-harvesting platform. Through its use, developers can quickly see the potential of their designs, providing an incredibly valuable learning experience and allowing them to create better energy-harvesting solutions with fewer iterations required.

The BQ27520EVM is an energy harvesting system development kit. It is designed for use with Texas Instruments BQ27520-G2 battery fuel gauge chips, which enable real-time battery monitoring, accurate fuel gauging, and advanced energy harvesting. The BQ27520EVMs feature an additional 5V power supply, voltage output and precision voltage divider, and an on-board lithium-ion battery charger designed to provide higher charging rates. In addition, the board provides I2C communication port, LED indicator for low-power, and overvoltage protection.

The BQ27520EVM can be used in a variety of applications, from telecommunication to automotive. It is designed to be a high-fidelity energy harvesting platform for these types of applications, enabling developers to quickly and accurately test their designs in order to assess their efficacy. The board allows developers to accurately measure voltage, current, temperature, charge, and discharge current, as well as monitor battery state-of-charge. In addition, the BQ27520EVM provides prototypes to test various energy sources such as solar, kinetic, thermal, and RF.

In terms of working principle, the BQ27520EVM combines the energy harvested from external sources and stores it in its on-board rechargeable battery. When the battery is at a critical level, the BQ27520EVM quickly charges it, and when the battery is below a certain threshold, it sends a signal to the host system and shuts off the charge cycle until it is fully recharged.

The BQ27520EVM uses a fully-integrated fuel-gauging system developed by Texas Instruments. This system uses micro circuitry, which is housed within a system-on-chip (SoC). This SoC is responsible for measuring the battery\'s state of charge and sending it to the host system via an I2C port. The host system then judges the battery\'s state of charge and switches the charge cycle on or off depending on the amount of energy harvested.

In conclusion, the BQ27520EVM is a highly effective energy-harvesting development board and kit. It provides a comprehensive development environment and is ideal for testing out energy-harvesting designs. The board is a great example of the advantages of Evaluation and Demonstration Boards and Kits, providing a fast, accurate way to evaluate devices quickly and to help develop better solutions.

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