The Maxim Integrated MAX8842ELT+ is a high-efficiency, low-quiescent-current, linear battery charger designed for single-cell lithium-ion (Li+) batteries. Its compact, thermally-efficient TDFN package makes it an excellent choice for portable applications where space and power efficiency are critical.

Key Features

• Input Voltage Range: The device operates from a 4.5V to 6.5V input voltage range, making it versatile for various USB and adapter-powered applications.
• Charging Current: The MAX8842ELT+ offers programmable charge current up to 1A, allowing for rapid charging of the connected battery.
• High Efficiency: With an integrated pass element and internal current-sense circuitry, it provides high charging efficiency and reduced external component count.
• Thermal Regulation: To protect the battery and circuitry, the charger features thermal regulation that reduces charge current during high-temperature conditions.
• Charge Status Indicators: It includes a charge status output that can drive an LED to provide visual feedback on the charging process.
• Protection Features: The device incorporates multiple safety features including overvoltage protection, thermal shutdown, and a battery temperature sensor input for charge qualification.

Applications

The MAX8842ELT+ is ideal for a wide range of portable devices, such as:

• Smartphones and Tablets
• Portable Media Players
• Bluetooth Headsets
• Handheld Gaming Devices
• Digital Cameras

Package and Quality

The charger comes in a 6-pin TDFN (3mm x 3mm) package, offering a compact solution for space-constrained applications. Maxim Integrated ensures high reliability and performance, making the MAX8842ELT+ a dependable choice for designers seeking to integrate a robust charging solution into their products.

Maxim Integrated's commitment to quality means that the MAX8842ELT+ is manufactured to high standards, ensuring both consistent performance and longevity in the field. Its advanced features and comprehensive protection mechanisms make it a smart, efficient, and secure solution for modern battery charging needs.