The APX9140 is a power management IC (PMIC) designed for portable applications. It integrates multiple functions, including a buck converter, LDO regulators, and a battery charger, into a single chip. This PMIC is ideal for applications requiring compact size and high efficiency.

Applications:

• Smartphones
• Tablets
• Portable media players
• Wearable devices
• GPS devices

Features:

• High-efficiency buck converter
• Multiple LDO regulators
• Integrated battery charger
• Input voltage range: 2.7V to 5.5V
• I2C interface for control and monitoring
• Overvoltage protection
• Overcurrent protection
• Thermal shutdown protection

Benefits:

• Reduces board space and component count
• Optimizes power consumption for extended battery life
• Provides stable and regulated power supplies
• Simplifies battery charging management
• Enables flexible control and monitoring
• Protects the device from damage

Additional Details:

The APX9140's buck converter provides a highly efficient step-down voltage conversion, minimizing power loss. The LDO regulators offer low-noise and stable voltage supplies for sensitive circuits. The integrated battery charger supports various charging profiles and provides protection against overvoltage and overcurrent.

The I2C interface allows for flexible control and monitoring of the PMIC's functions, such as output voltage, current limits, and protection thresholds. The APX9140's comprehensive protection features ensure reliable operation and prevent damage to the device and the connected load.

The device is available in a compact package, making it suitable for space-constrained applications. The APX9140 simplifies power management design and provides a complete power solution for portable devices.