RT9538 Overview
The RT9538 is a PWM switch mode battery charger controller to fast charge single or multiple Li-ion, NiMH and NiCd batteries, using constant current or constant voltage control. Maximum current can be easily adjusted by an external resistor. The constant voltage output can support up to 30V with 0.5% accuracy.
RT9538 Key Features
- Fast Charging for Li-ion, NiMH and NiCd Batteries
- Adjustable Battery Voltages from 2.5V to 25V
- High Efficiency : Up to 95%
- Charging Current Adjusted by Resistor
- Precision 0.5% Charging Voltage Accuracy
- Provide 5% Charging Current Accuracy
- Input Current Limit Maximizes Charging Rate
- 475kHz Switching Frequency
- Flag Indicates Li-ion Charge pletion
- Auto Shutdown with Adapter Removal