The ACT8840QM175-T is a highly integrated Power Management IC (PMIC) manufactured by Active-Semi International Inc. This PMIC is designed for a wide range of portable and battery-powered applications, providing multiple power rails, battery charging, and system monitoring functions in a single chip. It is commonly used in smartphones, tablets, wearables, and other electronic devices that require efficient power management and a small form factor.

Applications

• Smartphones.
• Tablets.
• Wearable devices (smartwatches, fitness trackers).
• Portable media players.
• Handheld gaming consoles.

Features

• Multiple voltage regulators (buck converters, LDOs).
• Integrated battery charger.
• Power path management.
• System monitoring and protection features.
• I2C interface for control and configuration.

Benefits

• Efficient power management.
• Reduced component count and board space.
• Extended battery life.
• Improved system reliability.
• Simplified system design.

Additional Details

The ACT8840QM175-T integrates multiple DC-DC converters (buck converters) and Low Dropout regulators (LDOs) to provide the necessary power rails for various system components, such as the processor, memory, display, and peripherals. The integrated battery charger supports various charging profiles and provides protection against overvoltage, overcurrent, and over-temperature conditions. The power path management function allows for seamless switching between battery power and external power sources. The I2C interface enables the system to monitor voltage, current, and temperature, and to configure the PMIC settings. This PMIC is an essential component for achieving efficient power management and extended battery life in portable electronic devices. The complete functionality and specifications are available in the manufacturer's datasheet.