ISL9519C Overview
Narrow VDC Regulator/Charger with SMBus Interface and Internal Switching FETs ISL9519C The ISL9519C is a highly integrated Narrow VDC system voltage regulator and battery charger controller. Operating parameters are programmable over the System Management Bus (SMBus). The ISL9519C is designed for applications where the system power source is either the battery pack or the output of the regulator/charger.
ISL9519C Key Features
- ±0.5% System Voltage Accuracy (-10°C to +100°C)
- ±3% Accurate Input Current Limit
- ±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
ISL9519C Applications
- ±0.5% System Voltage Accuracy (-10°C to +100°C)
