Maxim Integrated MAX1553ETA+T Battery Charger IC

The MAX1553ETA+T from Maxim Integrated is a highly efficient, single-cell, lithium-ion (Li+) battery charger IC designed to simplify the charging process for portable electronics. This compact, thermally-efficient device is housed in a 8-pin TDFN package, making it an ideal choice for space-constrained applications such as mobile phones, Bluetooth headsets, portable media players, and wearable technology.

Key Features

• Charge Current Regulation: The MAX1553ETA+T regulates charge current up to 1A, allowing for rapid charging of the battery, while ensuring safety and prolonging battery life.
• Charge Voltage Regulation: It accurately regulates charge voltage to 4.2V, which is critical for maintaining the longevity and performance of lithium-ion cells.
• Thermal Regulation: This IC incorporates thermal regulation to protect the charger from overheating. It automatically reduces charge current when the die temperature exceeds a safe threshold.
• High Efficiency: With its integrated synchronous rectifier, the MAX1553ETA+T achieves high charging efficiency, reducing power loss and heat generation.
• Small Footprint: The device's small 3mm x 3mm TDFN package allows for a minimalistic design footprint, which is crucial for portable device integration.
• Protection Features: It includes multiple safety features such as prequalification charging for deeply discharged batteries, automatic charge termination, and a battery temperature sensor input for charge suspension during abnormal temperature conditions.

Applications

The MAX1553ETA+T is versatile and can be deployed in a variety of applications where efficient charging and space economy are key. Some common applications include:

• Smartphones and Tablets
• Bluetooth Accessories
• Portable Gaming Devices
• Wearable Technology
• Portable Medical Devices

With its combination of high efficiency, compact design, and comprehensive protection features, the Maxim Integrated MAX1553ETA+T stands out as a robust solution for lithium-ion battery charging in modern portable electronics.