Single-Cell Dual-2A Output Power Bank HT45F4MA Characteristics Single-cell Li Battery power bank Battery charger ◆ ◆ ◆ Small Constant Current (SCC) Constant Current (CC) Constant Voltage (CV) Battery discharge ◆ ◆ ◆ Constant Voltage (CV) Max. current control Over discharge voltage control Protect functions ◆ ◆ Over Voltage Protect (OVP) Over Current Protect (OCP) Battery power display ◆ 4 segment general LED Application Areas HT45F4MA Block Diagram USB IN PMOS + NMOS Inductance Battery x 1 USB OUT 1 OVP PWM Current Sensor OCP USB OUT 2 Detect Battery Voltage HT45F4MA HT8 I/O LED and Butoon Application Circuit ADC Precision Reference Voltage