The MAX1558HETB from Maxim Integrated is a highly efficient, compact, and versatile IC designed for charging single-cell lithium-ion (Li+) batteries. This integrated circuit offers a simple and reliable solution for portable electronic devices that require a rechargeable power source.

Key Features

• Charge Current: The MAX1558HETB can provide up to 1A charge current, which can be programmed via an external resistor. This feature allows for fast charging of the battery, reducing the downtime of the device it powers.
• Thermal Regulation: This IC incorporates a thermal regulation feature that protects the chip and the battery from overheating by automatically reducing charge current under high temperature conditions.
• High Efficiency: With an integrated synchronous rectifier, this charger IC boasts high efficiency, which is crucial for portable devices as it maximizes battery life and minimizes heat generation.
• Charge Status Indicators: The MAX1558HETB includes status outputs that indicate when the battery is charging and when it has reached full charge, providing clear visual feedback to the user.
• Small Footprint: Designed in a tiny 3mm x 3mm, 10-pin TDFN package, the MAX1558HETB is perfect for space-constrained applications.
• Protection Features: The device includes a variety of protection features such as overvoltage protection, overcharge protection, and charge timeout, which ensure the safety and longevity of the battery.
• Low Dropout: The low dropout voltage allows for efficient charging even when the input voltage is close to the battery voltage, making it ideal for USB-powered applications.

Applications

The MAX1558HETB is suitable for a wide range of portable applications, including:

• Smartphones and Tablets
• Bluetooth Headsets
• Portable Media Players
• Digital Cameras
• GPS Units
• Other USB-powered devices

Overall, the MAX1558HETB is an excellent choice for designers looking for a compact, efficient, and feature-rich battery charging solution for their next-generation portable devices.