BQ24083DRCTG4

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Power Management Integrated Circuit (PMIC) components are an essential part of today’s high-performance electronic systems, enabling designers to efficiently manage the power flows within their applications. BQ24083DRCTG4 is a PMIC - Battery Chargers product from Texas Instruments. It is a highly integrated multi-chemistry 1-cell or 2-cell Li-Ion/Li-Polymer battery charger. This device focuses on the latest configuration, protection, and performance specifications for device battery charging. BQ24083DRCTG4 can provide fast and accurate battery charging for portable electronic products such as cell phones, tablets and other consumer electronics.

The applications of BQ24083DRCTG4 include consumer electronics, as well as other applications that require a combination of features such as fast and accurate charging, charge status monitoring, and protection features. This device is designed to offer a solution that can easily handle, monitor and control charging in a variety of battery types, ranging from 1-cell to 2-cell Li-Ion/Li-Polymer batteries.

The working principle of BQ24083DRCTG4 is based on a control algorithm that combines the necessary safety features to ensure premature cell damage is avoided. The control algorithm works by monitoring and managing the battery during the charging process.

It can be divided into two periods: pre-charge and constant-current (CC) charge. During the pre-charge phase, the device monitors the battery and checks for any faults or errors. The pre-charge circuit ensures that over or undervoltage from the source is avoided and that the correct voltage level is applied to the battery.

During the constant-current charge phase, the device switches to a continuous current (CC) mode, where it maintains the current level set by the user and reduces the voltage as the battery charges. During the charging, the device monitors the temperature and safety parameters to ensure that the battery is not overcharged. The current level is adjusted according to the temperature and the cell voltage. The device switches to a voltage-limited mode when the cell voltage reaches the cutoff voltage, which is set by the user.

The device features a programmable Input Current Limit and Charge Termination Current setting, allowing the user to determine the charging time of the battery and enabling protection against over-current conditions. It also has safety features such as overvoltage, short circuit and over-temperature protection. In addition, it has a wide range of command signals for setting charging parameters, monitoring cell voltage and current and communicating with the host.

The BQ24083DRCTG4 from Texas Instruments is an advanced, integrated battery charger designed for use in consumer electronics, such as portable devices. It offers user flexibility and protection through its wide charging parameters, safety features and monitoring capabilities. By using the BQ24083DRCTG4, designers can integrate a safe and efficient battery charging solution into their designs, increasing the battery life and facilitating the best possible performance from their applications.

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