Features
• ±0.5% System Voltage Accuracy (-10°C to +100°C)
• ±3% Accurate Input Current Limit (-10°C to +100°C)
• ±3% Accurate Battery Charge Current Limit
• Variable Switching Frequency at Light Load Conditions for
Higher Efficiency
• Fixed Frequency Operation at Higher Loads
- Fixed Frequency Mode can be Forced by an External Pin
• Trickle Charge System for Deeply Discharged Batteries
- Automatic Trickle Charge Current (256mA)
- Holds Minimum Voltage to System
• SMBus 2-Wire Serial Interface
• Default System Voltage Values for 1-Cell, 2-Cell or
3-Cell Operation Selected by an External Pin
• Adapter In-rush FET Control
• Adapter Isolation FET Control
• Battery Short Circuit Protection
• Fast System-Load Transient Response
• Monitor Outputs
- Adapter Current (2.5% Accuracy)
- AC-adapter Present Indicator
• 11-Bit Max System Voltage Setting
• 7-Bit Min System Voltage Setting
• 6-Bit Charge Current Setting
- Over 8A Battery Charger Current
• 6-Bit Adapter Current Setting
- Over 8A Adapter Current
• +4.5V to +22V Adapter Voltage Range
• Pb-Free (RoHS Compliant)
Applications
• Notebook Computers
• Tablet PCs
• Portable Equipment with Rechargeable Batteries