The MAX8934EETI+T from Maxim Integrated is a highly integrated power-management IC (PMIC) designed for a wide range of portable applications. This advanced chip is engineered to provide a comprehensive power solution by integrating multiple regulators, a battery charger, and numerous power management features into a single package.

Key Features:

• Integrated Power Management: The device includes a single-cell Li+ battery charger with Smart Power Selector™, ensuring seamless transition between charger and battery power without interrupting operation.
• Dual Step-Down Converters: Two high-efficiency, synchronous step-down converters are available for supplying core and peripheral voltages, with a wide input voltage range suitable for a variety of battery chemistries.
• Flexible Charging Options: The MAX8934EETI+T supports USB-compliant and adapter charging, with programmable current limits to accommodate various power sources.
• Multiple Power Outputs: It provides multiple regulated outputs, including two step-down converters and a SIM/SAM LDO, catering to the needs of complex portable devices.
• Power Management Features: The chip includes features such as overvoltage protection, thermal shutdown, battery temperature monitoring, and a charge status indicator, enhancing the safety and reliability of the power system.

Applications:

The MAX8934EETI+T is suitable for a variety of portable devices where efficient power management is crucial, such as:

• Smartphones and Tablets
• Portable Media Players
• Handheld Gaming Devices
• GPS Units
• Other USB-Chargeable Devices

Technical Specifications:

• Package/Case: 28-WQFN (5x5)
• Operating Temperature: -40°C to +85°C
• Input Voltage: 4.1V to 5.5V
• Output Voltage: Adjustable

With its compact form factor and robust feature set, the MAX8934EETI+T is an excellent choice for designers looking to optimize the power management system of their next portable device project.