LC709511F is a Lithium ion switching charger controller for Power Bank. This device has all functions to control Power Bank application. It includes Type-C port control and Quick Charge 3.0 HVDCP. In addition this device applies 2.0 V or 2.7 V on USB data lines automatically for devices require the voltage. The built-in switching controller can output from 5 V up to 12 V for Quick Charge. The high power output for USB Type-C and Quick Charge is possible with appropriate external MOSFETs.

• Easy power scaling with external MOSFETs
• Buck charge / Boost charge
• Supports Quick Charge 3.0 HVDCP Class A. 5 V up to 12 V
• Supports USB type-C DRP without external IC
• Applies 2.7 V or 2.0 V on USB data lines for devices require it
• Prepared firmware supports various combination of USB port
• Supports USB BC1.2
• Battery level gauging
• Status & Battery level display with 4 LEDs
• Boost auto start-up
• Thermistor sensing function
• Over voltage / Over current detection
• JEITA compliance Battery management
• Safety timer
• Low quiescent current: 15 µA at Low power mode