SGM41512.pdf? High Efficiency, 1.5MHz, Synchronous Buck Charger
93% Charge Efficiency at 1A from 5V Input
91% Charge Efficiency at 2A from 5V Input
Optimized for USB Voltage Input (5V)
Selectable PFM Mode for Light Load Efficiency
? USB On-The-Go (OTG) Support (Boost Mode)
Boost Converter with up to 1.2A Output
Boost Efficiency of 93.5% at 0.5A and 92.2% at 1A
Accurate Hiccup Mode Over-Current Protection
Soft-Start Capable with up to 500μF Capacitive Load
Output Short Circuit Protection
Selectable PFM Mode for Light Load Operations
? Single Input for USB or High Voltage Adapters
3.9V to 13.5V Operating Input Voltage Range
20V Absolute Maximum Input Voltage Rating
Programmable Input Current Limit and DynamicPower
Management (IINDPM, 100mA to 3.2A with100mA
Resolution) to Support USB 2.0 and USB 3.0Standards
and High Voltage Adaptors
Maximum Power Tracking by Input Voltage
Limit upto 5.4V (VINDPM)
VINDPM Tracking of Battery Voltage
? High Battery Discharge Efficiency with 28mΩ Switch
? Narrow Voltage DC (NVDC) Power Path Management
Instant-On with No or Highly Depleted Battery
Ideal Diode Operation in Battery Supplement Mode
? Ship Mode, Wake-Up and Full System Reset
Capabilityby Battery FET Control
? Flexible Autonomous and I2C Operation
Modes forOptimal System Performance
? Fully Integrated Switches, Current Sense
andCompensation
? 10μA Ship Mode Low Battery Leakage Current
? High Accuracy
±0.5% Charge Voltage Regulation
±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 3A 1.5MHz Buck Mode
Charger
Support 3.9V-13.5V Input Voltage Range
Programmable IDPM/VDPM to Support the
USB and Adapter
3.856V-4.624V Adjustable Charge Voltage
Support Narrow VDC Power Path
Management
JEITA Compliance
±0.5% Charge Voltage Regulation
Charge Status Outputs for LED or Host
Processor
? Maximum 1.2A 1.5MHz Boost OTG Current
4.85V-5.3V Adjustable OTG Output
Voltage
Selectable OTG Output Current Limit
± 1.5% Output Regulation in Boost Mode
Soft-Start up to 500μF Capacitive Load
Constant Current (CC) Limit
? Full BATFET Control to Support Shipping
Mode, Wake up, and System Reset
? Safety
Battery Temperature Sensing for Charge and
Boost Mode
Battery Charging Safety Timer
Thermal Regulation and Thermal Shutdown
Input/System over-Voltage Protection
MOSFET over-Current Protection
? Low Battery Leakage Current and Support
Shipping Mode
? 4mm x 4mm QFN-24 Package
