MAX1667EAP

The MAX1667EAP is a chemistry-independent, Level 2 smart battery charger IC designed by Analog Devices / Maxim Integrated. It provides the necessary power control to charge batteries of any chemistry, including Li+, NiCd, NiMH, and Lead Acid. All charging functions are managed via an SMBus 2-wire serial interface, allowing for precise control of charge voltage and current.

Key electrical specifications include a maximum battery charge current of up to 4A, a battery pack voltage capability of up to 18.4V, and an input voltage rating of up to 28V. The device boasts ±1% voltage accuracy and greater than 95% efficiency, contributing to optimal charging performance. It operates within a temperature range of -40°C to 85°C.

This IC is housed in a compact 20-pin SSOP package with a 2mm profile height, suitable for surface mount applications. Its design complies with the Duracell/Intel Smart Battery Charger Specification Rev. 1.0. The MAX1667EAP is ideal for applications such as notebook computers, charger base stations, personal digital assistants, and mobile phones, where reliable and versatile battery charging is essential.