The MAX8903CETI from Maxim Integrated is a high-performance, integrated power-management IC designed specifically for portable applications. This versatile chip offers a comprehensive solution for charging and power supply management, making it an ideal choice for a wide range of portable electronic devices such as smartphones, tablets, handheld gaming consoles, and portable media players.

Key Features

• Integrated Charger: The MAX8903CETI includes a 2A high-efficiency DC-DC converter with an integrated switch-mode charger, supporting both USB and adapter power inputs, which ensures fast and efficient charging of lithium-ion (Li+) or lithium-polymer (Li-Poly) batteries.
• Smart Power Selector™: Maxim's proprietary Smart Power Selector technology allows the device to seamlessly transition between charging and battery operation, ensuring a consistent power supply to the load without interruption.
• High Efficiency: The device is designed to maximize efficiency and minimize heat generation during operation, which extends battery life and improves overall performance.
• Thermal Regulation: To prevent overheating, the MAX8903CETI features thermal regulation, which automatically reduces charge current in high-temperature conditions.
• Protection Features: It includes multiple safety features such as overvoltage protection, overcharge protection, and a battery temperature monitor to ensure safe and reliable operation.
• Small Footprint: The compact 28-pin TQFN package makes it suitable for space-constrained applications.

Applications

The MAX8903CETI is designed to be flexible and is suitable for a multitude of portable applications that require efficient power management and charging capabilities. It is particularly beneficial in scenarios where space is at a premium and high efficiency is a necessity.

Technical Specifications

Part Number: MAX8903CETI
Package: 28-pin TQFN
Input Voltage Range: 4.1V to 5.5V (USB), 4.1V to 16V (Adapter)
Charge Current: Up to 2A
Integrated DC-DC Converter
Battery Chemistry: Li+ / Li-Poly

For detailed technical specifications and application guidance, it is recommended to consult the MAX8903CETI datasheet and Maxim Integrated's support resources.