SG-Micro SGM41519 | Demoboard SGM41519 Demo Board

Beschreibung

The SGM41519 is a battery charger and system power pathmanagement device with integrated converter and power switches for using with single-cell Li-Ion or Li-polymer batteries. This highly integrated 3A device is capable of fast charging and supports a wide input voltage range suitable for smart phones, tablets and portable systems. I2C programming makes it a very flexible powering and charger design solution.

Eigenschaften

• High Efficiency, 1.5MHz, Synchronous Buck Charger
• 93.8% Charge Efficiency at 1.02A from 5V Input
• 89.8% Charge Efficiency at 2A from 9V Input
• Optimized for 9V/12V Input
• Selectable PFM Mode for Light Load Efficiency
• Boost Mode Support
• Output Voltage Range from 4.85V to 5.3V
• Boost Efficiency of 93.5% at 0.5A and 92.2% at 1A
• Output Short Circuit Protection
• Selectable PFM Mode for Light Load Operations
• PMID_GD Pin Control External P-MOSFET for Protection against Fault Conditions
• Automatic Switch between Charge and Boost Mode
• Single Input for USB or High Voltage Adaptors
• 3.9V to 13.5V Operating Input Voltage Range
• 22V Absolute Maximum Input Voltage Rating
• Programmable Input Current Limit and Dynamic Power Management (IINDPM, 100mA to 3.2A with 100mA Resolution) to Support USB 2.0 and USB 3.0 Standards and High Voltage Adaptors
• Maximum Power Tracking by Programmable Input Voltage Limit (VINDPM) with Selectable Offset
• VINDPM Tracking of Battery Voltage
• High Battery Discharge Efficiency with 26mΩ 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 Switches, Current Sense and Compensation
• 2.5μA Ship Mode Low Battery Leakage Current
• High Accuracy
• ±0.5% Charge Voltage Regulation (8mV/Step)
• ±5% Charge Current Regulation at 1.38A
• ±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

Typische Anwendungen

• Smart Phones, EPOS, Portable Internet Devices and Accessory

Weiterführende Informationen

• Datenblatt
• Produktseite des IC-Herstellers