The OZ8027AGN-B1-0-TR is a highly integrated battery charger IC manufactured by O2Micro. It is designed for charging lithium-ion and lithium-polymer batteries in a variety of portable devices. The device offers advanced features such as automatic power source selection, precise voltage and current regulation, and comprehensive protection mechanisms.

Applications

• Notebook computers: Used in laptops and netbooks for battery charging and power management.
• Portable media players: Employed in MP3 players, portable video players, and other media devices.
• Handheld devices: Integrated into smartphones, tablets, and e-readers.
• Power banks: Used in external battery packs and portable chargers.
• Industrial Portable Equipment: Found in portable testing devices and handheld industrial tools.

Features

• Automatic power source selection: Automatically switches between AC adapter and battery power.
• Precise voltage and current regulation: Ensures accurate and efficient charging of lithium-ion/polymer batteries.
• Overvoltage protection (OVP): Protects the battery and charging circuit from damage due to excessive input voltage.
• Overcurrent protection (OCP): Limits the charging current to prevent damage from overcurrent conditions.
• Thermal shutdown protection (OTP): Shuts down the charger if the internal temperature exceeds a safe limit.

Benefits

• Efficient charging: Maximizes battery charging efficiency, reducing charging time and extending battery life.
• Comprehensive protection: Protects the battery and charging circuit from various fault conditions.
• Automatic power source selection: Simplifies system design and improves user experience.
• Small footprint: Allows for integration into compact portable devices.
• Enhanced safety: Built-in safety features ensure safe and reliable battery charging.

Technical Specifications

The OZ8027AGN-B1-0-TR typically supports input voltages ranging from 4.5V to 28V and offers programmable charging current. It is essential to consult the official datasheet from O2Micro for detailed specifications, including charging voltage range, charging current range, switching frequency, and recommended external components.