BQ24120EVM-001

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Evaluation and Demonstration Boards and Kits help to facilitate rapid product development, evaluation and demonstration. The BQ24120EVM-001 is a complete solution for evaluating the performance and features of the SLUS462C–August 2006–Revised October 2014 bq24120 and bq24121 battery charger ICs. This board helps to reduce design time while enabling the user to gain a better understanding of the device’s performance. This article will discuss the application field and working principle of the BQ24120EVM-001.

The BQ24120EVM-001 is designed to be used with any system powered by a single-cell Li-Ion/Li-Polymer battery, as well as for systems needing multiple-cell paralleling with synchronized charging. It can be used with any type of adapter, such as wall supply, automotive battery, or any other power source. The board contains the user-programmable parameters for target voltages, currents, charges, and discharges. This eliminates the need to manually configure each device.

To prevent any overcharge or damage to the battery, the BQ24120EVM-001 monitors the battery voltage, temperature, and current; and adjusts the charging parameters accordingly. The device also employs a safety timer, undervoltage lockout, and overvoltage lockout to ensure that the safety of the system and its components are not compromised. For increased protection, it also includes reverse current prevention circuitry.

The BQ24120EVM-001 is based on a fully integrated power management control IC that can support up to 15 A input and 5 A output for charging and for discharging, respectively. The board is capable of full system control through a combination of digital and analog control signals. The device is designed to deliver a high level of flexibility, enabling the user to control the IC parameters for customized applications. The software included in the kit also allows the user to easily configure the BQ24120EVM-001.

The BQ24120EVM-001 includes several power stages: a power supply stage, a charging stage, and a discharging stage. The power supply stage is used to supply power to the system, while the charging stage is used to charge the battery. The discharging stage is used to drain the battery and protect from over-discharge conditions. The system contains a constant voltage power supply with 5 kHz switching frequency. This power supply is connected to the battery charger which regulates the flow of current to the battery. The microcontroller monitors the battery voltage, current, and temperature, and adjusts the charging parameters accordingly.

For added flexibility and safety, the BQ24120EVM-001 also includes several protection features. The system includes an overvoltage protection circuit, which ensures that the maximum voltage available to the battery never exceeds its rated voltage. The system also includes an undervoltage lockout circuit, which deactivates the system if the input voltage falls below a specified level. It also includes an overtemperature protection circuit, which deactivates the system if the temperature of the battery exceeds its maximum temperature rating.

The BQ24120EVM-001 also has an integrated fault management system. The system detects fault events and responds to them by stopping the charging process. This ensures that the battery is not damaged or over-charged due to any fault events. The system also provides an indication of any faults and allows the user to reset the device if necessary.

The BQ24120EVM-001 is a complete solution for evaluating and demonstrating the performance and features of the bq24120 and bq24121 battery charger ICs. The board helps to reduce development time and enables the user to gain a better understanding of the device’s performance. The device is capable of full system control and includes several protection features to ensure the safety of the system and its components. The software included in the kit also allows the user to easily configure the board for customized applications, making it an ideal choice for any single-cell Li-Ion/Li-Polymer battery system.

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