Single-Cell Dual-2A Output Power Bank -- HT45F4MA

Single-Cell Dual-2A Output Power Bank
HT45F4MA
Characteristics
 Single-cell Li Battery power bank
 Battery charger
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Small Constant Current (SCC)
Constant Current (CC)
Constant Voltage (CV)
 Battery discharge
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Constant Voltage (CV)
Max. current control
Over discharge voltage control
 Protect functions
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Over Voltage Protect (OVP)
Over Current Protect (OCP)
 Battery power display
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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