BQ7693007DBTR

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Power management integrated circuits (PMICs) serve as the cornerstone of any electrical system, turning raw energy from energy sources like batteries into the steady and dependable energy needed to power the end device. PMICs provide the electrical interface between energy sources and their associated loads and make sure these elements stay within their working range. PMICs for battery management, such as the BQ7693007DBTR PMIC, offer state-of-the-art solutions for managing one or more lithium ion and/or lithium polymer batteries. In this article, we will discuss the application field and working principle of the BQ7693007DBTR PMIC.

Application Field of BQ7693007DBTR PMIC

The most common application of the BQ7693007DBTR PMIC involves powering an entire device or system from a rechargeable lithium-based battery, such as a laptop computer or a mobile device. However, this PMIC is also suitable for many other applications, including battery management in medical devices, hobby projects, robots, and more.

The BQ7693007DBTR PMIC supports different kinds of batteries, including 1-cell, 2-cell and 3-cell lithium ion and/or lithium-polymer chemistries. It supports battery voltages in the range of 3V to 16.2V, and current monitor resolution up to 1% (10 mA). It also has Power Path Control, Battery Gas Gauge and Cell Voltage Balancing capabilities. The BQ7693007DBTR is also capable of managing multiple energy sources, such as a solar panel, providing power from two sources.

Working Principle of BQ7693007DBTR PMIC

The working principle of the BQ7693007DBTR PMIC is simple yet efficient. The first step is to measure the battery voltage, current, and temperature. This data is then used to accurately estimate the state-of-charge (SOC) of the battery. The PMIC then maintains the battery within its working range, i.e. not over- or under-charging the battery. Furthermore, the BQ7693007DBTR also offers a wide range of protection features to protect the battery from damage or over-discharge.

The BQ7693007DBTR also offers a very efficient Power Path Control and Battery Gas Gauge with an accuracy of ±1%. The Power Path Control feature allows for the PMIC to automatically select the most efficient path for delivering power to an end device, whether it be from the energy sources, the battery, or both. This ensures that power is quickly delivered without disrupting the device.

The Battery Gas Gauge is also extremely useful for battery management as it can accurately report the state of charge of the battery. This helps the user understand when the battery needs to be charged and allows them to manage the battery more efficiently. Additionally, the PMIC has a Cell Voltage Balancing feature which maintains the battery cells within an acceptable voltage range, avoiding the risk of over-voltage or under-voltage.

Conclusion

The BQ7693007DBTR is a powerful PMIC designed specifically for battery management. It supports many kinds of batteries, including Lithium Ion and Lithium Polymer chemistries, and can manage multiple energy sources. It also offers an efficient Power Path Control and Battery Gas Gauge with an accuracy of ±1%. Furthermore, it offers a wide range of protection features that helps keep the battery safe and healthy. As such, the BQ7693007DBTR is an ideal choice for anyone looking to manage their battery.

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