
Renesas Electronics
Narrow VDC Regulator/Charger with SMBus Interface
The ISL6258, ISL6258A are a highly integrated Narrow VDC system voltage regulator and battery charger controller. Operating parameters are programmable over the System Management Bus (SMBus). The ISL6258, ISL6258A are designed for applications where the system power source is either the battery pack or the output of the regulator/charger.
FEATUREs
• ±0.5% System Voltage Accuracy (-10°C to +100°C)
• ±3% Accurate Input Current Limit
• ±3% Accurate Battery Charge Current Limit
• Switching frequency can be reduced via SMBus for higher
efficiency at light load conditions
• Trickle Charge System for Deeply Discharged Batteries
- Automatic Trickle Charge Current (256mA)
- Holds Minimum Voltage to System
• SMBus 2 Wire Serial Interface
• Battery Short Circuit Protection
• Fast System-Load Transient Response
• Monitor Outputs
- Adapter Current (2.5% Accuracy)
- Battery Discharge Current (4% Accuracy)
- Trickle Charge Mode Indicator
- AC Adapter Present Indicator
• 11-Bit Max System Voltage Setting
• 7-Bit Min System Voltage Setting
• 6-Bit Charge Current Setting
• 6-Bit Adapter Current Setting
• Over 8A Battery Charger Current
• Over 8A Maximum Adapter Current
• +8V to +22V Adapter Voltage Range
• Pb-Free (RoHS Compliant)
APPLICATIONs
• Notebook Computers
• Tablet PCs
• Portable Equipment with Rechargeable Batteries