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