Maxim Integrated's MAX14677EZA+T Battery Charger

The MAX14677EZA+T from Maxim Integrated is a highly integrated solution designed for charging and protecting single-cell Li+ batteries. This compact and efficient device is ideal for a wide range of portable applications, including wearables, smart devices, and health and fitness monitors. The product comes in a small 12-bump, 0.4mm pitch WLP (wafer-level package), which is perfect for space-constrained designs, ensuring that it can be integrated into the most compact of devices without compromising on performance.

One of the standout features of the MAX14677EZA+T is its adjustable charge current, which can be set from 7.5mA to 300mA, allowing designers to tailor the charging to the needs of their specific application. The device also offers a programmable charge voltage with 0.7% accuracy, ensuring that the battery is charged efficiently and safely to its maximum capacity.

The MAX14677EZA+T incorporates a variety of safety features to protect the battery and the device. These include overvoltage protection, thermal regulation, and a battery temperature monitor. Additionally, the charger has a smart power selector that manages the distribution of power between the battery, the system, and the input source. This ensures that the device can continue to operate even when the battery is being charged, providing an uninterrupted user experience.

For added flexibility, the MAX14677EZA+T supports both USB and adapter power sources, and it complies with USB Battery Charging Specification 1.2, making it versatile for use with various power inputs. The device also features a JEITA-compliant temperature-based charge voltage adjustment, which helps to extend battery life by adjusting the charge voltage based on the battery temperature.

Overall, the MAX14677EZA+T is a powerful, feature-rich battery charging solution that offers designers a high level of integration, safety, and flexibility. Its small footprint and advanced capabilities make it an excellent choice for the next generation of portable electronic devices.

For more information on integrating the MAX14677EZA+T into your design, please refer to the datasheet and application notes provided by Maxim Integrated.