The Maxim Integrated MAX8844YETD+T is a highly integrated battery charger IC designed for charging a single-cell lithium-ion (Li+) battery. This versatile charging solution is perfect for portable electronic devices such as smartphones, tablets, cameras, and other USB-powered gadgets. The MAX8844YETD+T provides a safe and efficient charging experience with its advanced features and compact design.
Key Features
- Adjustable Charge Voltage: The IC supports an adjustable charge voltage up to 4.2V, which can be set via an external resistor, allowing for flexibility in different battery chemistries and capacities.
- Programmable Charge Current: Users can program the charge current from 15mA to 500mA through an external resistor, making it suitable for a wide range of battery sizes.
- High-Efficiency Charging: The device offers high-efficiency charging with a low dropout voltage, minimizing power loss and heat generation during the charging process.
- Thermal Regulation: To protect the battery and circuitry, the MAX8844YETD+T incorporates thermal regulation that reduces charge current in the event of excessive temperature rise.
- Charge Status Indicators: Built-in status outputs provide real-time information on the charging process, which can be used to drive external LEDs or interface with a microcontroller.
- Protection Features: The IC includes a variety of protection features such as overvoltage protection, short-circuit protection, and a battery temperature monitor for safe operation.
Applications
- Smartphones and Tablets
- Portable Media Players
- Digital Cameras
- Bluetooth Headsets
- Other USB-Powered Devices
The MAX8844YETD+T is available in a small, lead-free, 14-pin TDFN package, making it an ideal solution for space-constrained applications. With its comprehensive feature set and Maxim Integrated's reputation for quality, the MAX8844YETD+T stands out as a top choice for designers looking to implement a reliable and efficient battery charging solution in their products.