The MAX1909ETI+TG05 from Maxim Integrated is a highly integrated and sophisticated battery charger controller designed to cater to the demanding needs of modern portable electronics. This precision device is tailored to manage the charging of lithium-ion (Li-ion) or lithium-polymer (Li-Poly) batteries, which are commonly found in laptops, tablets, and other high-performance portable devices.

Key Features

• Adaptive Charging: The MAX1909ETI+TG05 features an adaptive charge profile that adjusts to the needs of the battery, maximizing efficiency and extending battery life.
• High Integration: This charger controller integrates current-sense circuitry, MOSFET drivers, and thermal regulation, reducing the number of external components required and simplifying the design process.
• System Safety: Advanced safety features are built-in, including overvoltage protection, thermal shutdown, and charge status indication, ensuring safe and reliable operation.
• Flexibility: The device supports both USB and adapter power inputs, offering versatility in charging sources.
• Programmable Charge Parameters: Charge parameters such as current and voltage can be programmed via an I2C interface, allowing precise control over the charging process.

Applications

With its advanced features and high level of integration, the MAX1909ETI+TG05 is an ideal solution for a range of applications that require efficient and controlled charging. These include:

• Notebook computers
• Portable media players
• Handheld devices
• Smart battery packs

Technical Specifications

Overall, the MAX1909ETI+TG05 is a powerful and reliable component that can significantly enhance the charging capabilities and safety of battery-powered devices, making it a top choice for designers and engineers in the electronics industry.