INJOINIC IP5306_4.35V

IP5306 is a multi-function power management SOC integrating a boost converter, lithium battery charge management, and battery level indication, providing a complete power solution for power banks. The high integration and rich feature set of the IP5306 require minimal external components in application, effectively reducing overall solution size and lowering BOM cost. The IP5306 requires only a single inductor to implement both step-down and step-up functions, and supports low-cost inductors and capacitors. The IP5306 synchronous boost system delivers a maximum output current of 2.4A with conversion efficiency up to 92%. Under no-load conditions, it automatically enters sleep mode, reducing quiescent current to 100uA. The IP5306 adopts switching charge technology, providing a maximum charging current of 2.1A with charging efficiency up to 91%. Built-in IC temperature and input voltage sensing intelligently regulate the charging current. The IP5306 supports 1, 2, 3, and 4 LED battery level displays.

• Synchronous switching charge/discharge
• 2.4A synchronous boost conversion, 2.1A synchronous switching charge
• Boost efficiency up to 92%, charging efficiency up to 91%
• Built-in power path management, supports simultaneous charging and discharging
• Adaptive charging current regulation, adaptive adapter
• Supports 4.20/4.30/4.35/4.40V batteries
• Supports 4, 3, 2, 1-cell LED battery indicator
• Power-on button, built-in flashlight driver
• Auto-detection of phone insertion and removal
• Intelligent load detection, auto standby, standby current less than 100μA
• Integrated power MOSFETs, single-inductor charge/discharge
• Output overcurrent, overvoltage, short-circuit protection
• Input overvoltage, overcharge, over-discharge, overcurrent discharge protection
• System-wide overtemperature protection
• ESD 4KV, transient voltage withstand 12V
• Optional I²C interface for flexible, low-cost customization

• Power banks / portable chargers
• Mobile phones, tablets, and other portable devices