SGM41511.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, 1.5MHz, Synchronous Switch-
Mode Buck Charger
? 92% Charge Efficiency at 2A with 5V Input and
3.8V Battery
? Support 3.9V to 13.5V Input Voltage Range
? Average Input Current Regulation (AICR)
? Minimum Input Voltage Regulation (MIVR)
? Minimum Input Voltage Regulation Track
(MIVR Track)
? Charge Current Regulation (CCR)
? Charge Voltage Regulation (CVR)
? Charge Voltage Regulation Track (CVR Track)
? Junction Thermal Regulation (JTR)
? Supports USB On-The-Go (OTG)
? 92% Boost Efficiency at 1A with 3.8V Battery
and 5.15V Output
? OTG Current Limit Regulation (OCLR)
? OTG Voltage Limit Regulation (OVLR)
? Protection
? Over-Temperature Protection (OTP)
? VBUS Over-Voltage Protection (VBUS OVP)
? Battery Over-Voltage Protection (VBAT OVP)
? System Over-Voltage Protection (VSYS OVP)
? System Under-Voltage Protection (VSYS UVP)
? System Over-Load Protection (VSYS OLP)
? Cycle-by-Cycle Over-Current Protection (OCP)
? OTG Low Battery Protection (OTG LBP)
