Maxim Integrated MAX1898EUB42+T Battery Charger IC

The MAX1898EUB42+T from Maxim Integrated is a sophisticated battery charger integrated circuit (IC) designed to provide efficient and reliable charging for single-cell lithium-ion (Li+) batteries. This compact and highly integrated solution is ideal for space-constrained applications such as portable consumer electronics, wearable devices, and other battery-powered systems.

Featuring a programmable charge current up to 500mA, the MAX1898EUB42+T allows designers to tailor the charging parameters to their specific application needs. The precision regulation ensures that the battery is charged to its peak capacity without overcharging, which can extend the life of the battery and maintain optimum performance.

The IC incorporates a variety of safety features to protect both the battery and the charging system. These include automatic charge termination upon completion, a prequalification stage for deeply discharged batteries, and a temperature monitoring function that suspends charging if unsafe temperatures are detected.

One of the standout features of the MAX1898EUB42+T is its minimal external component requirement. This not only simplifies the design and reduces the overall bill of materials but also speeds up the time-to-market for product development. The IC is available in a tiny, 10-pin µMAX package, which is highly beneficial for products where space is at a premium.

Additionally, the MAX1898EUB42+T supports a charge-enable input, allowing the charging process to be controlled externally by a microcontroller or other logic signals. This flexibility makes it easy to integrate the IC into more complex power management systems.

With its high level of integration, comprehensive charge management features, and compact size, the MAX1898EUB42+T from Maxim Integrated is an excellent choice for designers looking to implement a reliable and efficient charging solution in their next battery-powered project.

Key Features:

• Programmable charge current up to 500mA
• Precision end-of-charge control
• Safety features including prequalification and temperature monitoring
• Minimal external components required
• Compact 10-pin µMAX package
• Charge-enable input for external control