Maxim Integrated MAX9928FABT+T Battery Charger IC

The MAX9928FABT+T from Maxim Integrated is a high-performance battery charger integrated circuit (IC) designed to cater to the demanding needs of modern portable electronic devices. This versatile IC is specifically engineered to manage single-cell lithium-ion (Li+) batteries, which are prevalent in a wide array of gadgets such as smartphones, tablets, digital cameras, and other handheld devices.

Efficient Power Management

At the heart of the MAX9928FABT+T lies a sophisticated charging algorithm that ensures efficient power management. It optimizes the charging cycle to maximize battery life and performance, while also providing necessary safeguards to prevent overcharging, which can be detrimental to battery health. The IC supports a wide input voltage range, making it suitable for use in various applications and with different power sources.

Compact and Flexible Design

Maxim Integrated has packaged the MAX9928FABT+T in a tiny, lead-free, 10-pin TDFN (3mm x 3mm) package, making it an ideal choice for space-constrained applications. Its compact size does not compromise its versatility, as it offers adjustable charge current settings that allow designers to tailor the charging parameters to specific battery requirements. This flexibility ensures that the IC can be used across a broad spectrum of products without the need for significant redesign.

Advanced Safety Features

Safety is a paramount concern in battery charging, and the MAX9928FABT+T incorporates multiple features to protect both the battery and the device. These include thermal regulation, which prevents the IC from overheating, and a battery temperature monitoring input that ensures the battery is within its safe operating temperature range during the charging process.

Intuitive Interface and Integration

Integrating the MAX9928FABT+T into a design is straightforward, thanks to its simple interface and compatibility with microcontrollers. It also includes status outputs that can provide real-time feedback on the charging process, which can be used to drive LEDs or communicate with a host processor to indicate the charge status.

In summary, the Maxim Integrated MAX9928FABT+T is a reliable, efficient, and flexible solution for single-cell lithium-ion battery charging, designed to meet the needs of today's portable electronics while ensuring safety and ease of integration.