BQ771815DPJR Integrated Circuits (ICs)

PMIC - Battery Management

Battery management is an important aspect of modern power solutions. Its primary purpose is to increase the efficiency and longevity of electrical systems. One of the best solutions for battery management is the BQ771815DPJR. It is a multi-channel, integrated battery providing power management for up to eight series connected cells. This battery actively monitors and balances cells, as well as aiding in load/charge control.

Application Field of BQ771815DPJR

The BQ771815DPJR has a wide range of applications, but it is primarily used in applications related to modern mobile and wearable electronics, in addition to electric vehicles. This is mainly attributed to its high levels of integration, size, and the comprehensive feature set it provides. This component helps to maximise the safety and efficiency of the device it is integrated into, by providing data-driven protection and optimized efficient energy management.

Thanks to its ultra-sensitive A/D converter, it is also suitable for applications where a high degree of precision is required. These applications often include measuring parameters such as temperature, current and voltage with high accuracy, as well as providing highly accurate capacity estimations. As such, BQ771815DPJR is often used in mobile and wearable devices, such as smartphones, smart watches, VR headsets and drones.

Working Principle of BQ771815DPJR

The BQ771815DPJR is an integrated, multi-channel battery management system that provides a range of features to operate and monitor up to eight series connected cells. The component is integrated with an 8-bit MCU and is also provided with multiple advanced protection features such as over- and under-voltage protection, overtemperature protection, and various other options.

The component’s main core is the current-sense amplifier. This integrated circuit is responsible for calculating and monitoring the current flowing in each cell, allowing for optimized energy management. The BQ771815DPJR also features an integrated On-Resistor technology, which offers high performance current sensing accuracy while also reducing the overall system cost. Additionally, the component provides high accuracy voltage monitoring and temperature sensing to ensure optimal performance.

The integrated battery management system also offers charge/discharge control, enabling the device to operate optimally in both modes. When operating in a charging mode, the component can accurately detect when the battery is full and will automatically shut off the charging circuit. In discharge mode, the component can be programmed to detect low voltage levels and shut off the power supply to ensure optimal protection of the battery.

Overall, the BQ771815DPJR is an excellent integrated battery solution for mobile and wearable applications. Its wide range of integrated features, high performance A/D converter and On-Resistor technology make it one of the best solutions available for battery management.