The MAX8903NETI+T from Maxim Integrated is a high-performance, fully integrated battery charger IC designed for use in a wide range of portable electronic devices. This versatile integrated circuit (IC) is capable of charging single-cell lithium-ion (Li+) batteries with precision and efficiency, making it a top choice for engineers and designers looking to implement a reliable charging solution in their applications.
The MAX8903NETI+T offers a flexible charging solution with its ability to operate from either a USB port or an AC adapter. It is equipped with a smart control system that automatically selects the appropriate power source based on availability, ensuring optimal charging conditions for the connected battery. The IC can provide a fast charge current up to 2A, which is adjustable via an external resistor, allowing designers to tailor the charging profile to specific battery requirements.
Safety features are a cornerstone of the MAX8903NETI+T design. It includes built-in overvoltage protection, thermal protection, and battery temperature monitoring to prevent charging in unsafe conditions. Additionally, the device integrates a charge timer and a JEITA-compliant temperature-based charge rate reduction to further enhance battery safety and longevity.
The MAX8903NETI+T supports a wide input voltage range, typically from 4.1V to 16V, and is highly efficient, minimizing power loss during the charging process. This efficiency, combined with a low quiescent current, helps to conserve battery power when the device is in standby mode. The IC is available in a compact, lead-free, 28-pin TQFN package, making it a space-saving solution for portable electronics.
Maxim Integrated's commitment to quality ensures that the MAX8903NETI+T meets the high standards required for modern battery charging applications. Whether it's for smartphones, tablets, digital cameras, or other portable gadgets, this IC provides a robust and flexible charging solution that designers can rely on.