MAX713CSE+T

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Power management integrated circuits (PMICs) and applications continue to be one of the more important and rapidly evolving segments of the semiconductor industry. Among them, integrated solutions for battery charging are especially relevant, because of the importance of battery systems in many applications such as portable electronic devices. When it comes to battery charging solutions, the MAX713CSE+T IC, originally launched by Maxim Integrated, stands out as a highly integrated device that targets a wide range of applications. This IC combines a range of features, including battery monitor, battery charger, battery switch, load-switch, and system voltage supervisor.

Features and Performance of MAX713CSE+T

The MAX713CSE+T model is a single-chip device with multiple features. It integrates a three-channel linear battery charger with an adjustable output current range from 1mA to 1A or 2A, depending on the model chosen. This linear charging allows precise charging parameters that can be adjusted by the user. The battery monitor includes voltage monitoring, current monitoring, and temperature tracking, so the system can offer precise control and feedback of the battery system. Additionally, the device includes a versatile load switch with precise adjustable thresholds and a system voltage supervisor for reset and power-on control.

In terms of performance, the MAX713CSE+T battery charger can boast excellent results in terms of power consumption. The power efficiency of the chip ranges from 87% to 94%, depending on the model and the parameters configured for the application. Furthermore, this integrated device performs with a minimum of noise, which is especially important in audio applications. The high level of integration of the chip also allows a reduction of board space and the costs associated with design and manufacture.

Applications and Working Principle

The MAX713CSE+T has a wide range of applications in portable and mobile devices, such as smartphones, tablets, or portable media players. Additionally, this IC can be used in wearable appliances, such as fitness trackers or digital healthcare devices. Thanks to its features, such as smart monitoring and precise charging, the IC is also suitable for some more critical applications like autonomy modules for drones, submarines, or robots.

The working principle behind this IC is quite straightforward. The chip combines a number of independent functions in a single IC to allow the user to precisely monitor the battery system, ensuring that it is safely and reliably charged. To do this, the IC can monitor the voltage and current of the battery, as well as its temperature, and use this information to accurately regulate the charging parameters.

The following five stages are the basic elements of battery charging: pre-charge, relaxing, constant voltage charging, trickle charging, and topping-off charging. Depending on the model of the IC, additional features or subtleties might be implemented. Generally speaking, monitoring and automatic regulation is inherent to this kind of devices, which enables the system to operate without supervision and without taking unnecessary risks.

Conclusion

The MAX713CSE+T is a powerful and versatile device designed to offer precise battery charging in a broad range of applications. Thanks to its efficient power consumption, precise voltage and current monitoring, and additional features such as load-switch and system voltage supervision, this IC is suitable for a wide array of applications, from smartphones to drones.

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