Maxim Integrated MAX1552ETE+T Battery Charger IC
The MAX1552ETE+T from Maxim Integrated is a high-efficiency, high-integration, switch-mode battery charger IC designed for charging single-cell lithium-ion (Li+) batteries. This compact, thermally efficient device is ideal for portable applications where space and power conservation are paramount.
Key Features:
- High Efficiency: The MAX1552ETE+T employs a switch-mode design, which allows for a more efficient charging process compared to linear chargers. This means less power is wasted as heat, which is particularly important in portable devices.
- Integrated FETs: This IC includes internal power FETs, which minimizes external component count and reduces the overall footprint of the power management design on the PCB.
- Charge Current Regulation: The device offers programmable charge current regulation up to 2A, allowing for flexibility in the charging speed for different battery capacities.
- Smart Battery Management: It includes features such as preconditioning of deeply discharged batteries, constant current and constant voltage charging phases, and charge termination based on minimum current level.
- Thermal Regulation: To protect the battery and the charger from overheating, the MAX1552ETE+T incorporates a thermal regulation feature that reduces charge current in the event of excessive temperatures.
- Safety Timers: Built-in safety timers automatically terminate charge after a predetermined interval to prevent overcharging, enhancing battery life and safety.
- Status Indicators: The IC provides status outputs that can be used to drive LEDs or communicate with a host processor to indicate charge status and fault conditions.
Applications:
The MAX1552ETE+T is well-suited for a variety of portable devices, such as:
- Smartphones and Tablets
- Portable Media Players
- Handheld Gaming Devices
- Bluetooth Headsets
- Portable Medical Devices
- Other Li+ Battery-Powered Devices
With its comprehensive set of features and high level of integration, the MAX1552ETE+T is a robust solution for efficient and safe battery charging in modern portable electronics. The device's small 16-pin TQFN package makes it an ideal choice for space-constrained applications requiring advanced battery management and charging capabilities.