SGM41511
SGM41511 is 3A Single-Cell Battery Charger manufactured by SG Micro.
FEATURES
- 3.9V to 13.5V Operating Input Voltage Range
- Up to 20V Sustainable Voltage
- 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
- Programmable Input Current Limit (IINDPM) and Dynamic Power Management to Support USB Standard Adaptors
- Maximum Power Tracking by Programmable Input Voltage Limit (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 Capability by Battery FET Control
- Flexible Autonomous and I2C Operation Modes for Optimal System Performance
- Fully Integrated All MOSFETs, Current Sense and pensation
- 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
APPLICATIONS
Smart Phones, EPOS Portable Internet Devices and Accessory
SIMPLIFIED SCHEMATIC
USB Host
Input 3.9V to...
Representative SGM41511 image (package may vary by manufacturer)
