The Skyworks Solutions Inc. AAT4681IDE-2-T1 is a high-efficiency, synchronous buck-boost converter designed for a wide range of portable and battery-powered applications. This versatile converter can operate with input voltages both above and below the output voltage, making it ideal for single-cell lithium-ion battery applications where the battery voltage varies during discharge. Its compact size and high efficiency make it a suitable solution for space-constrained applications.

Applications

• Smartphones
• Tablets
• Portable power banks
• Wearable devices
• Low-power embedded systems

Features

• Synchronous buck-boost architecture
• High efficiency across a wide load range
• Wide input voltage range
• Adjustable output voltage
• Overcurrent and short-circuit protection
• Thermal shutdown protection

Benefits

• Extended battery life
• Stable output voltage despite battery voltage variations
• Compact solution size
• Reduced power dissipation
• Enhanced system reliability

Additional Details

The AAT4681IDE-2-T1 converter integrates advanced control circuitry to optimize efficiency and provide stable output voltage regulation. It features a programmable switching frequency to allow designers to optimize performance for specific applications. The device also incorporates comprehensive protection features to prevent damage from overcurrent, short circuits, and over-temperature conditions. Detailed electrical characteristics, including efficiency curves, voltage ranges, and protection thresholds, can be found in the product datasheet.