MAX16915AUB+

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The MAX16915AUB+ is a member of the Power Management Integrated Circuit (PMIC) family for Battery Management. This versatile and highly efficient device packs a wide variety of features designed to maximize the performance and life of a Li-ion battery-powered system. It offers an unprecedented level of system protection and activity control and is the ideal solution for replacing multiple discrete components in battery-powered devices.

Applications

The MAX16915AUB+ can be found in a variety of applications including portable computing devices, handheld audio players, digital still and video cameras, digital picture frames, GPS systems, drones, and more. By supporting flexible input voltage and battery type selections, it offers improved protection against overvoltage and overcurrent conditions.

The low-power embedded microcontroller takes full control of the system sequencing and power path management, making the MAX16915AUB+ ideal for battery operated embedded systems. It also features efficient closed loop batteries charging, effective cell balancing, and advanced system safety features.

The MAX16915AUB+ can be used in automotive applications by leveraging the Fault Interrupt and Boot-up programmer features. It provides diagnostic control and enables accurate fault control, including temperature detection and monitoring.

Working Principle

The MAX16915AUB+ works as a highly integrated single-cell Li-ion/Lithium-polymer/Lead-acid battery charger and protector. This multi-function PMIC offers comprehensive cell protection with battery Voltage, Current, and Temperature (OBT) monitoring and control. It provides overvoltage protection, overcurrent protection, and thermal shutdown protection.

The overvoltage protection circuit provides safety to the system from accidental application of higher voltages. It controls the maximum allowed system voltage and trips at a certain voltage level to disconnect the system supplies. The overcurrent protection circuit protects against accidental overloads by responding to too high current flow and switching off the system.

The Temperature Monitoring Circuit provides additional protection to the system by monitoring and responding to overheating. Additionally, the Power Path Manager offers an advanced, multi-level prioritization between different system input sources and the battery charger, directing power to the load in the order of preference.

The MAX16915AUB+, with its integrated charge management, is compatible with various battery chemistries including: Li-ion, Li-ion Polymer, and Multi-Chemistry Lead-Acid batteries. It features a 3A switched-mode current-limited input battery charger and a selectable input voltage range from 2.7V to 6.5V. Additionally, it has a wide range of adjustable charge parameters to achieve an optimal maximum power point for a variety of battery types.

This device also provides a Battery Metering and Protection Demonstration (METROP) for diagnosing and monitoring the battery, delivering Temperature-Based Thermal Protection and Close Loop Charging. Additionally, its advanced diagnostics capabilities allow for debugging the battery, the battery management system, and the power system.

Conclusion

The MAX16915AUB+ makes Battery Management simpler and more efficient than ever before. Its advanced features and ultra-low power consumption make it the ideal choice for power-hungry battery-powered systems. It offers comprehensive system protection and activity control, protecting your system from any fault events that could potentially damage your system.

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