SGM41511.pdf? High Efficiency, 1.6MHz, Synchronous Switch-Mode
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 Low Power Pulse Frequency Modulation
(PFM) Mode for Light Load Operations
? Supports USB On-The-Go (OTG)
Boost Converter with up to 1.2A Output
93.5% Boost Efficiency at 0.5A Output
92.2% Boost Efficiency at 1A Output
Accurate Hiccup Mode Over-Current Protection
Soft-Start up to 500μF Capacitive Load
Output Short Circuit Protection
Selectable Low Power PFM Mode for Light Load Operations
? Single Input to Support USB Input and High Voltage Adapters
Support 3.9V to 13.5V Input Voltage Range with 20V
Absolute Maximum Input Voltage Rating
Programmable Input Current Limit
(100mA to 3.2A with 100mA Resolution)
to Support USB 2.0, USB 3.0 Standards an
High Voltage Adaptors (IINDPM)
Maximum Power Tracking by Input Voltage
Limit up to 5.4V (VINDPM)
VINDPM Threshold Automatically Tracks Battery Voltage
? High Battery Discharge Efficiency with
28mΩ Battery Discharge MOSFET
? NVDC Power Path Management
Instant-On Works with No Battery or Deeply
Discharged Battery
Ideal Diode Operation in Battery Supplement Mode
? BATFET Control to Support Ship Mode,
Wake-Up and Full System Rese
? Flexible Autonomous and I2 C Mode for
Optimal System Performance
? High Integration Includes All MOSFETs,
Current Sensing and Loop Compensation
? 9μA Low Battery Leakage Current
to Support Ship Mode
? High Accuracy
±0.5% Charge Voltage Regulation
±5% at 1.5A Charge Current Regulation
±10% at 0.9A Input Current Regulation
? Safety
Battery Temperature Sensing for Charge and Boost Mode
Thermal Regulation and Thermal Shutdown
Input Under-Voltage Lockout (UVLO) and
Over-Voltage (ACOV) Protections
? High-Efficiency, 1.5MHz, Synchronous Switching
Buck Charger
? 90% Charge Efficiency at 2A from 5V Input
? Programmable PFM Mode for Light LoadConditions
? Supports USB On-The-Go (OTG)
? Programmable Current Limit Boost
Converter with Up to 1.2A Output
? Wide Range Single Input to Support both USB
Input and High Voltage Adapters
? Support 3.9V to 13.5V Input Voltage RangeWith 22V
Absolute Maximum Input VoltageRating
? Programmable Input Current Limit
(100mA to 3.2A With 100mA Resolution)
? Auto Detect USB BC1.2, SDP, CDP, DCPand
Non-Standard Adaptors
? Narrow VDC (NVDC) Power Path Management
? BATFET Control to Support Ship Mode, Wake
Upand Full System Reset
? Flexible Autonomous and I2C Mode for
OptimalSystem Performance
? High Integration Includes All MOSFETs,
CurrentSensing and Loop Compensation
? Safety
? Battery Temperature Sensing for Chargeand Boost Mode
? Thermal Regulation and Thermal Shutdown
? Input UVLO and Overvoltage Protection
