BQ2023PWG4

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PMIC, or power management integrated circuits, are an integral part of many electronics systems, providing a means for power delivery, control and management the power efficiently and safely. Battery management is an important and integral part of a power management IC, providing monitoring and management for a battery-powered system. A great example of a PMIC-Battery Management device is the BQ2023PWG4 from MPS. This chip has several integrated functions and features that make it a great choice for battery management applications.

Overview of the Application Field of BQ2023PWG4

The BQ2023PWG4 is a PMIC-Battery Management device specifically aimed at portable, battery-powered systems. It features an internal battery charger, along with more traditional system voltage regulation, sequencing, and other features normally found in battery management ICs. Key features of the BQ2023PWG4 include increased system efficiency and optimized charge control, making it well suited for applications such as portable medical devices, tablets, smart phones, and a variety of other mobile applications.

Features of the BQ2023PWG4

The BQ2023PWG4 from MPS is a highly integrated, low power PMIC-Battery Management device, optimized to meet the needs of portable, battery-powered applications. This device features a 5V-to-3.3V LDO, low quiescent current inverse buck-boost regulator, USB OTG controller and a built-in Li-ion/Li-polymer battery charger with various safety functions. It also contains a variety of configurable power switching and rail management features, which allow the user to customize the design to meet the needs of their particular application. The BQ2023PWG4 also includes both a I2C and SMBus serial interface, which allows for remote monitoring and control of the device via an external MCU.

Working Principle of the BQ2023PWG4

The BQ2023PWG4 is designed to efficiently and safely manage a battery-powered system. The device begins by regulating the system voltage, which it maintains by switching its LDO on and off as needed. This helps increase the overall efficiency of the system by reducing wasted power. With its built-in USB OTG controller, the BQ2023PWG4 is capable of current limiting the USB power delivery to ensure that the maximum current drawn from the USB port is safe and within the limits of the system.

The built-in Li-ion/Li-polymer battery charger then takes over and begins to charge the battery as necessary. It uses an advanced cycle-by-cycle current/voltage regulation algorithm, which ensures the battery is charged efficiently and safely. It also ensures that the temperature of the battery does not exceed the safety limits, by limiting the amount of current drawn from the battery if the temperature exceeds a certain threshold. Finally, the BQ2023PWG4 provides a variety of additional power switching and sequencing features, which can be tailored and configured to meet the needs of the user\'s application.

Conclusion

The BQ2023PWG4 from MPS is a highly integrated PMIC-Battery Management device specifically designed for portable, battery-powered systems. It features an integrated system voltage regulator, USB OTG controller, Li-ion/Li-polymer charger, and a variety of other features and functions. The device makes use of advanced cycle-by-cycle current/voltage regulation algorithms and temperature monitoring functions, to ensure that power is delivered efficiently and safely. Additionally, the device offers a I2C and SMBus serial interface, allowing for remote monitoring and control of the device.

The BQ2023PWG4 is a great choice for a wide range of portable, battery-powered applications, providing efficient and safe charging, as well as a variety of other power management functions. As such, it is a great choice for applications such as portable medical devices, tablets, smart phones, and other mobile applications.

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