FEATURES
 Battery Management
o Operation Voltage:
2.9V~6.3V (AMR：-0.3V~15V)
o Configurable Intelligent Power Select system
o Current and voltage limit of adaptive USB or AC
adapter input
o The resistance of internal ideal diode lower than
100mΩ
• Full-integrated Charger
o 1.4A charge current with built-in MOSFET
o Battery temperature monitor
o USB-Compatible charger
o High precision as 0.5%
o support 4.1V/4.15V/4.2V/4.36V battery
o Charging process control automatically
o LED driver to indication the charging status
o Auto adjust the charging current according to
the system load
• Backup Battery
o Provide power to RTC module by using the
backup battery
o Integrated an backup battery charger
• 3 Synchronous Step-Down Converters
o DC-DC1: can be adjusted between 0.7V~3.5V
25mV/step, 1.2A drive capability
o DC-DC2: can be adjusted between 0.7V~2.275V
25mV/step, 1.6A drive capability, support
V RC
o DC-DC3: can be adjusted between 0.7V~3.5V
25mV/step, 0.7A drive capability
• 4 LDO’s
o LDO1:30mA,always on
o LDO2:low noise LDO, can be adjusted between
1.8V~3.3V,100mV/step, 200mA drive capability
o LDO3:low noise LDO, can be adjusted between
1.8V~3.3V,100mV/step, 200mA drive capability
o LDOIO0: low noise LDO, can be adjusted
between 1.8V~3.3V,100mV/step, 50mA drive
capability
NOTE: VRC，Voltage Ramp Control
• Signal Capture
o built-in 16 channel 12 Bit ADC
o 4 external input channels
o Built-in high precision coulomb counter and
fuel-gauge system
o Wealthily power information，such as the
real-time power dissipation (mA or mW)，
remaining battery status(% or mAh)，and
remaining battery or charging time
o Low power warning and protection
o Provide temperature information of chip
• Host Interface
o Host can exchange data with processor by TWSI
o Flexibility to configure the interrupt
management
o Multi-function GPIO can be set to
IO,PWM ,current sink and other function
o Built-in timer
o Four registers can be used to save the data when
system shutdown
• System Management
o Soft reset or hardware reset
o Support soft shutdown or hardware shutdown,
and external wakeup
o Monitoring output voltage, self-diagnostic
function
o PWROK is used for system reset
o External power source detect
(insert/remove/lack of driving capacity )
o Soft start
o Over voltage protection /under voltage
protection (OVP/UVP)
o Over current protection (OCP)
o Over temperature protection (OTP)
o Support OTG VBUS power state
setting/monitoring
• Fully Integration
o high precision internal Reference Voltage
（0.5%）
o Built-in MOSFET

001

METALGEAR