SGM41511.pdf? High Efficiency, 1.6MHz, Synchronous Switch-ModeBuck 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 FrequencyModulation
(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 LoadOperations
? Single Input to Support USB Input and High VoltageAdapters
Support 3.9V to 13.5V Input Voltage Range with 20V
Absolute Maximum Input Voltage Rating
Programmable Input Current Limit
(100mA to 3.2Awith 100mA Resolution)
to Support USB 2.0, USB3.0 Standards an
High Voltage Adaptors (IINDPM)
Maximum Power Tracking by Input Voltage
Limit upto 5.4V (VINDPM)
VINDPM Threshold Automatically Tracks BatteryVoltage
? High Battery Discharge Efficiency with
28mΩ BatteryDischarge 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 andFull System Rese
? Flexible Autonomous and I2C Mode for
OptimalSystem Performance
? High Integration Includes All MOSFETs,
CurrentSensing and Loop Compensation
? 9μA Low Battery Leakage Current
to Support ShipMode
? 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 BoostMode
Thermal Regulation and Thermal Shutdown
Input Under-Voltage Lockout (UVLO) and
Over-Voltage (ACOV) Protections
? High-Efficiency, 1.5MHz, Synchronous
Switching BuckCharger
? 90% Charge Efficiency at 2A from 5V Input
? Programmable PFM Mode for Light Load Conditions
? Supports USB On-The-Go (OTG)
? Programmable Current Limit Boost
Converter withUp to 1.2A Output
? 91% Boost Efficiency at 1A Output
? Output Short Circuit Protection
? Programmable PFM Mode for Light Load Conditions
? Wide Range Single Input to Support both
USB Input andHigh Voltage Adapters
? Support 3.9V to 13.5V Input Voltage Range
With30V Absolute Maximum Input Voltage Rating
? Programmable Input Current Limit
(100mA to 3.2AWith 100mA Resolution)
to Support USB 2.0, USB3.0 Standards and
High Voltage Adaptors (IINDPM)
? High Battery Discharge Efficiency With
27mΩ BatteryDischarge MOSFET
? Narrow VDC (NVDC) Power Path Management
? BATFET Control to Support Ship Mode, Wake
Up and FullSystem Reset
? Flexible Autonomous and I2C Mode for Optimal
SystemPerformance
? High Integration Includes All MOSFETs,
Current Sensingand Loop Compensation
? 26μA Low Battery Leakage Current to Support Ship Mode
? Safety
?Battery Temperature Sensing for Charge and
BoostMode Thermal Regulation and Thermal Shutdown
? Input UVLO and Overvoltage Protection
