The AUR9705 is a power management integrated circuit (PMIC) manufactured by BCD Semiconductor Manufacturing Limited. This device is now considered End-of-Life (EOL). The AUR9705 was designed for a range of applications requiring efficient power conversion and regulation.

Applications

• Power management in portable devices
• Battery charging circuits
• LED lighting drivers
• DC-DC conversion
• Power supplies for consumer electronics

Features

• High efficiency DC-DC conversion
• Integrated protection features
• Multiple output voltage options
• Low quiescent current
• Over-voltage protection

Benefits

• Extends battery life in portable devices
• Protects circuits from damage due to over-voltage or over-current conditions
• Provides flexibility with multiple output voltage options
• Reduces power consumption during standby mode
• Enhances system reliability with integrated protection features

Additional Details

The AUR9705 features high efficiency DC-DC conversion, which minimizes power loss and maximizes battery life in portable applications. The integrated protection features, such as over-voltage and over-current protection, safeguard the circuit from damage. It operates from a wide input voltage range, typically from 2.5V to 5.5V. This PMIC offers multiple output voltage options, providing flexibility in circuit design. The low quiescent current contributes to reduced power consumption in standby mode. As an End-of-Life (EOL) component, replacement or alternative solutions may be required for new designs. It's available in compact surface-mount packages, suitable for space-constrained applications. Thermal performance is important, requiring attention to heat sinking or thermal management techniques to ensure reliable operation at higher power levels. The switching frequency is a key parameter affecting the size of external components and the efficiency of the DC-DC converter. The soft-start feature helps limit inrush current during startup, preventing voltage droop and improving system stability.