MAX14671EWL+T

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Battery management is an integral part of the management systems of all battery powered devices, including smart phones, laptops, portable music players, smart watches, and tablets. It helps to keep the battery charged, optimize its usage, and extend its life, ensuring it can provide enough power to the device for its expected lifetime. The MAX14671EWL+T is a fully integrated battery protection and management IC for high-power applications and ensure safe battery charging and use.

The MAX14671EWL+T is a highly integrated, single-channel battery protection and management solution. It features an ultra-low quiescent current of just 6.8 µA and a programmable 4 V to 7 V input voltage range suitable for Li-ion and Li-polymer batteries. Additionally, it includes high side and low side FETs to protect the battery from over-charging and over-discharging and provide accurate battery protection thresholds.

The MAX14671EWL+T includes a charge current monitor, allowing up to 500 mA of regulated charging current, and a discharge current monitor allowing up to 1.5 A of regulated discharging current, providing greater control and accuracy when monitoring charging and discharging conditions. It also contains over-temperature protection, a temperature sensor to monitor temperatures, alert and fault indicator outputs to provide feedback on the total temperature, charging and discharging conditions, and a watch dog timer for safety and enhanced reliability.

The MAX14671EWL+T is designed for high-power battery management applications such as power tool batteries, power banks and lithium-ion batteries in consumer and industrial appliances. It works well in a variety of applications, including automotive, medical, consumer, portable, and industrial. It can also be used in battery charging and safety applications, such as industrial Uninterruptible Power Supplies (UPSs), off-grid solar, building automation systems, and home automation.

The MAX14671EWL+T uses a functional block diagram to explain its feature set. It contains voltage, current and temperature protection circuitry, allowing monitoring of the battery’s condition. This allows it to protect the battery from over-charging, over-discharging and over-temperature conditions, along with providing charging and discharging current monitoring. This IC also includes an integrated charge controller to manage the charge current during charging, as well as a timer for safety and enhanced reliability. It is fully integrated with a global safety timer, temperature sensor, and a charge/discharge state machine.

The MAX14671EWL+T is compliant with most of the battery management standards, such as UL2054, IEC60335-1 and IEC 62368-1, making it well suited for a variety of applications. Additionally, it is RoHS compliant, providing a cost-effective and reliable solution for battery protection and management.

In summary, the MAX14671EWL+T is an advanced, integrated battery protection and management IC for high-power applications. It provides high accuracy monitoring of charge and discharge currents and temperature, along with various protective functions to ensure the safe use of the battery. It is designed to meet the requirements of a variety of applications, such as automotive, medical, consumer, portable, and industrial, and is RoHS compliant. As such, the MAX14671EWL+T is an ideal solution for battery protection and management needs.

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