The MAX1554ETA+T from Maxim Integrated is a highly efficient, compact, single-cell, lithium-ion (Li+) battery charger IC designed to operate with USB and AC adapter power sources. It is ideal for portable devices where space and power efficiency are at a premium.

Key Features

• Input Voltage Range: The device can handle an input voltage range from 4.25V to 5.5V, making it versatile for various power supplies.
• Charge Current: It offers programmable charge currents up to 1A, allowing for fast charging of connected batteries.
• Thermal Regulation: To protect the IC and the battery from overheating, the MAX1554ETA+T features thermal regulation that reduces charge current during high temperature conditions.
• High Efficiency: The device boasts high charging efficiency, which helps in reducing heat and improving charging times.
• Small Package: Available in a tiny 8-pin TDFN package, it saves board space and is suitable for space-constrained applications.
• No External MOSFET: The internal MOSFET eliminates the need for an external component, simplifying the design and reducing the overall bill of materials.
• Charge Status Output: It includes a charge status output that can drive an LED or communicate with a host microcontroller to indicate the charging progress.
• Protection Features: The IC integrates multiple protection features such as overvoltage protection, short-circuit protection, and battery temperature monitoring for safe and reliable operation.

Applications

The MAX1554ETA+T is suitable for a wide range of portable applications, including:

• Smartphones and PDAs
• Digital Cameras and Portable Media Players
• Bluetooth Headsets and Portable Gaming Devices
• Other Li+ battery-powered devices requiring efficient charging

Overall, the MAX1554ETA+T is a powerful solution for modern portable electronics that require efficient charging and minimal space utilization. Its comprehensive feature set ensures safe and fast battery charging, making it a popular choice among designers and engineers.