The MAX8934CETI+T from Maxim Integrated is a high-performance, dual-input, dual-phase, Level 2 SMBus battery charger specifically designed for space-constrained applications. This advanced integrated circuit (IC) is ideal for charging single-cell lithium-ion (Li+) batteries in portable devices such as smartphones, tablets, handheld gaming systems, and a variety of other consumer electronics.

Key Features

• Dual-Input: USB and AC Adapter
• Integrated Power-Path Management
• System-Load Sharing with Battery
• Programmable Charge Current up to 1.55A
• Smart Power Selector™ Technology
• High-Accuracy Voltage and Current Regulation
• Thermal Regulation and Protection
• Charge Status and Fault Indicators
• Small 4mm x 4mm, 28-Pin TQFN Package

The MAX8934CETI+T integrates two input sources to accommodate both USB and AC adapter power, automatically selecting the appropriate source based on the power availability. Its power-path management allows the system to be powered directly from the inputs, reducing battery charging and discharge cycles, thus extending battery life.

With Maxim Integrated's proprietary Smart Power Selector technology, the MAX8934CETI+T ensures seamless transition between charging and battery supply, maintaining uninterrupted power for the system. The programmable charge current feature allows for precise control of the charging process, catering to different battery sizes and ensuring optimal charging efficiency.

The device is designed with precision in mind, delivering accurate voltage and current regulation for the charging process. It also includes a range of safety features such as thermal regulation to prevent overheating, and charge status indicators that provide visual feedback on the charging process and fault conditions.

Encased in a compact 28-pin TQFN package, the MAX8934CETI+T is optimized for space-saving on PCBs, making it an excellent choice for sleek, modern portable electronics where space is at a premium.

Overall, the MAX8934CETI+T is a highly integrated and efficient solution for portable power management, offering the reliability and performance expected from a leading brand like Maxim Integrated.