SGM41543.pdf? Flexible Autonomous and I2C Operation
Modes for Optimal System Performance
? Fully Integrated Switches, Current Sense and Compensation
? External Direct Charging Path Enable Output
? 8μA Ship Mode Low Battery Leakage Current
? High Accuracy
±0.5% Charge Voltage Regulation (8mV/Step)
±5% Charge Current Regulation at 1.5A
±10% Input Current Regulation at 0.9A
? Safety
Battery Temperature Sensing (Charge/Boost Modes)
Thermal Regulation and Thermal Shutdown
Input Under-Voltage Lockout (UVLO)
Input Over-Voltage (ACOV) Protection
? High Efficiency 5-A, 1.5-MHz Switch Mode Buck Charge
93% Charge Efficiency at 2
A and 91% Charge Efficiency at 3 A Charge Current
Optimize for High Voltage Input (9 V / 12 V)
Low Power PFM mode for Light Load Operations
Selectable 500-KHz / 1.5-MHz Boost
Converter with up-to 2.4 A Output
93% Boost Efficiency at 5 V at 1 A Output
Accurate Hiccup Mode Overcurent Protection
Support down-to 2.5V Battery
Support PWM only or Light Load Efficiency
Support 3.9-V to 14-V Input Voltage Range
Input Current Limit (100 mA to 3.25 A with
50-mA resolution) to Support USB2.0, USB3.0
standard and High Voltage Adapters
Maximum Power Tracking by Input
Voltage Limit up-to 14V for Wide Range of Adapters
Auto Detect USB SDP, CDP, DCP, and
Non-standard Adapters
Input Current Optimizer (ICO) to
Maximize Input Power without Overloading Adapters
Resistance Compensation (IRCOMP)
from Charger Output to Cell Terminal
Highest Battery Discharge Efficiency with 11-mΩ
Battery Discharge MOSFET up to 9 A
Integrated ADC for System Monitor
(Voltage, Temperature, Charge Current)
? Narrow VDC (NVDC) Power Path Management
Instant-on Works with No Battery
or Deeply Discharged Battery
Ideal Diode Operation in Battery Supplement
? BATFET Control to Support Ship
Mode, Wake Up, and Full System Reset
? Flexible Autonomous and I2C Mode for
Optimal System Performance
? High Integration includes all MOSFETs, Current
? 12-μA Low Battery Leakage Current to
Support Ship Mode
? High Accuracy
±0.5% Charge Voltage Regulation
±5% Charge Current Regulation
±7.5% Input Current Regulation
? Safety
Battery Temperature Sensing for Charge and Boost Mode
Thermal Regulation and Thermal Shutdown
