IP5306 Fully Integrated Power Bank Charger IC

IP5306 Fully Integrated Power Bank System-On-Chip Charger IC

The IP5306 is a highly integrated power management solution built for power banks and portable charging devices. It combines a high-efficiency boost converter, a Li-ion battery charging system, and a built-in battery state-of-charge indicator – all in one compact IC.

By minimizing external components, it helps reduce design complexity and BOM costs while delivering strong performance. With up to 2.4A boost output and 2A charging current, the IP5306 ensures fast and efficient charging for today’s portable electronics.

Key Features

• High-efficiency boost converter (up to 92%)
• 2A Li-ion battery charging with adaptive current control
• Supports multiple battery voltages (4.20V, 4.30V, 4.35V, 4.40V)
• Built-in 4-level LED battery indicator and flashlight control
• Smart load detection with automatic standby (<100 µA standby current)
• Power-path management: charge the battery and power devices at the same time
• I2C interface for flexible control and monitoring

Specifications

• Charging current: Up to 2.1A (synchronous switching charger)
• Boost output: Up to 2.4A @ 5V
• Charger efficiency: ~91%
• Boost efficiency: ~92%
• Integrated single-inductor design for charging and boost
• Minimal external components required

Applications

• Power banks & portable chargers
• Smartphones and tablets
• Handheld and wearable devices
• Portable media players and other battery-powered gadgets

Important Note

The updated IP5306 now uses I2C communication on LED pins, making it different from older reference designs. Please check the latest circuit example before use.

Package Includes

• 1 x IP5306 Fully Integrated Power Bank Charger IC