BQ76925RGER

PMIC - Battery Management

PMIC, or Power Management ICs, are integrated circuits dedicated to the effective regulation of power assets in electronic devices. These ICs are typically optimized for energy management systems dedicated to battery-powered applications. As a result, PMICs have become essential in optimally managing lithium-ion, lead-acid, and nickel-cadmium battery packs. As an example of the many power management ICs available, this paper will discuss the BQ76925RGER, its applications, and its working principles.

Overview of the BQ76925RGER

The BQ76925RGER is a 5-cell monitor and protector IC designed to provide enhanced protection against over-discharge and over-temperature of a Li-ion battery pack. It can be applied as part of an overall system-level power management solution, combining safety and precision within a single device. It offers various protection features such as over-temperature, over-charge, charge current limit, and deep-discharge protection.

Applications of the BQ76925RGER

The BQ76925RGER can be used in a wide range of devices ranging from mobile phones, tablet PCs, and even electric vehicles. Furthermore, its advanced calibration techniques allow for improved accuracy for detecting over-charge and over-discharge conditions. This makes it ideal for applications in which precise battery monitoring is necessary. Additionally, its integration of power monitoring characteristics such as cell balancing and gas gauge features makes it useful for a variety of applications, including robotics and UAVs.

Working Principles of the BQ76925RGER

The BQ76925RGER is a highly integrated power management IC that works based on a combination of safety features, communication interfaces, and low voltage monitoring functions. Generally speaking, its safety features are designed to monitor the various parameters of the battery pack, such as temperature and current, and protect it against adverse conditions. To support communication with the device, the BQ76925RGER has an interface that works with microcontroller units. Last but not least, the BQ76925RGER has multiple low voltage monitoring functions, including under-voltage, over-voltage, and over-discharge monitoring, in order to prevent damage to the battery pack.

Conclusion

In conclusion, the BQ76925RGER is an integrated power management IC that provides enhanced protection against over-discharge and over-temperature of Li-ion battery packs. It is ideally suited for applications that require precise battery monitoring and is useful for a wide range of devices such as mobile phones, tablet PCs, electric vehicles, robotics, and UAVs. Its safety features and communication interfaces work together according to its low voltage monitoring functions in order to protect the battery pack and ensure optimized power management.