BQ25898CYFFR

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Battery chargers and power management integrated circuits (PMICs), constitute an integral part of our electronic devices, they ensure proper power delivery to various components of the system, while preventing any overvoltage and short circuit damages. With the rapid advancement of technology, such systems are getting smaller and efficient, resulting into better and more diverse application fields. BQ25898CYFFR, is one such PMIC it constitutes battery charger, boost converter and input current limit into a single package, making it a suitable choice for mobile applications. In this article, we will examine its application fields, along with its working principle.

Application Fields

As mentioned, BQ25898CYFFR is ideally suited for use in mobile device applications, and given its high level of efficiency, it is also popular in consumer, industrial, telecom and many other fields. It is an important part of many laptop and cell phone systems, since it provides precise and reliable charging solutions. Additionally, it also has a variety of other applications, such as powering industrial sensor networks, along with telemetry and data logging systems. It can also be used for automotive applications such as E-bikes, solar charge controllers etc.

Features

The BQ25898CYFFR PMIC supports a wide array of features such as a boost converter, buck converter, current limit and temperature monitor. It is capable of delivering up to 3A of charge current, making it suitable for most mobile device applications. Additionally, its temperature monitor keeps tabs on the temperature of the outside environment as well as the internal environment. It also supports a wide input voltage range of 4V to 18V, making it well suited for most situations.

Working Principle

BQ25898CYFFR consists of a boost converter, buck converter, current limit and temperature monitor, allowing it to deliver precise power delivery solutions for a wide range of devices. The boost converter increases or decreases the voltage as needed, thus controlling the output voltage and current. Whereas the buck converter converts one voltage to another, allowing for precise and efficient current supply to the individual components. The current limit feature ensures that the system does not draw more current than allowed, meanwhile the temperature monitor keeps an eye on the system’s temperature, and adjusts the output accordingly.

Conclusion

BQ25898CYFFR is a Power Management Integrated Circuit (PMIC) that is used for a wide array of mobile device applications. With its boost converter, buck converter, current limit and temperature monitor, it can deliver precise power delivery solutions for a wide range of applications. Additionally, its wide input voltage range makes it well suited for most situations, making it a suitable choice for many mobile device applications.

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