The IP5109, manufactured by Injoinic Technology Co., Ltd., is a highly integrated power management IC (PMIC) designed for power banks and other portable charging devices. This single-chip solution combines charging, discharging, and protection features to provide a complete and efficient power management system.

Applications

• Power banks
• Portable chargers
• USB charging hubs
• Portable battery packs
• Mobile phone accessories

Features

• Integrated charging and discharging circuits
• Supports multiple battery chemistries (Li-ion, Li-Polymer)
• Over-voltage protection (OVP)
• Over-current protection (OCP)
• Short-circuit protection (SCP)
• Thermal shutdown protection

Benefits

• High charging and discharging efficiency
• Comprehensive protection features
• Simplified system design
• Reduced bill of materials (BOM) cost
• Compact solution for portable devices

The IP5109 provides a highly integrated and efficient solution for power bank applications. Its integrated charging circuit supports various charging profiles, allowing for fast and safe charging of different battery types. The discharging circuit delivers stable and regulated power to the connected device. The comprehensive protection features safeguard the battery and the connected device from damage due to over-voltage, over-current, and short-circuit conditions.

The IP5109 is designed for ease of use and integration. It requires minimal external components, reducing the overall system size and cost. The device's high efficiency minimizes heat dissipation and maximizes battery runtime. It also features a low quiescent current to minimize battery drain when the power bank is not in use. The integrated thermal shutdown protection prevents the device from overheating under extreme operating conditions. This PMIC is suitable for a wide range of power bank designs, offering a reliable and cost-effective solution for portable power management.