Maxim Integrated MAX17003AETJ+T Battery Charger Controller

The MAX17003AETJ+T, from Maxim Integrated, is a high-performance, single/multi-cell lithium-ion (Li+) battery charger controller that offers a compact and efficient solution for portable devices. This advanced piece of technology is designed to precisely control the charging process of Li+ batteries, ensuring safety and extending the life of the battery.

With its integrated FETs and high level of integration, the MAX17003AETJ+T simplifies the design of battery charging circuits, making it an ideal choice for space-constrained applications such as laptops, tablets, and other portable electronics. The device operates over a wide input voltage range and can handle input voltages up to 28V, accommodating a variety of power sources.

The MAX17003AETJ+T features a programmable charge current up to 8A and adjustable charge voltage, which allows designers to tailor the charging parameters to meet the specific needs of their battery. The charging voltage accuracy is impressive at ±0.5%, which is critical for maximizing battery capacity and lifespan. Additionally, the controller offers a charge current accuracy of ±5%, ensuring consistent and reliable charging.

Safety features are paramount in battery charging applications, and the MAX17003AETJ+T includes several protective measures. It has overvoltage protection, thermal protection, and a battery temperature monitoring input that works in conjunction with an external thermistor to prevent charging if the battery temperature is outside the safe operating range. Moreover, the device supports a JEITA-compliant temperature-based charge profile, which further enhances battery safety and longevity.

Communication with the host system is facilitated through an SMBus interface, enabling system-level management of the charging process. This includes the ability to report the status of the battery and charger, control the charging parameters, and implement any necessary firmware updates.

Offered in a compact 32-pin TQFN package, the MAX17003AETJ+T is designed for easy integration into modern electronic designs. Its small footprint and advanced features make it an excellent choice for designers looking to create efficient, reliable, and safe battery charging solutions.

With its combination of high performance, extensive safety features, and ease of use, the MAX17003AETJ+T from Maxim Integrated stands out as a superior battery charger controller for today's demanding portable applications.