Datasheet Details
| Part number | RT9490S |
|---|---|
| Manufacturer | Richtek |
| File Size | 3.16 MB |
| Description | 5A 1-2 Cell Buck-Boost Switching Battery Charger |
| Datasheet |
 RT9490S Datasheet
|
|
|
General Description
The RT9490S is a comprehensive solution that integrates a 5A Buck-Boost switch mode battery charger and system power path management device for 1-2 cell Li-Ion and Li-polymer batteries.
Key Features
- High Efficiency, 750kHz/1MHz/1.5MHz Programmable Frequencies, Synchronous Switch-Mode Buck-Boost Charger.
- 96.7% Charge Efficiency at 2A with 9V Input and 8V Battery.
- Support 3.6V to 24V Input Voltage Range.
- Average Input Current Regulation (AICR).
- Minimum Input Voltage Regulation (MIVR).
- Support USB On-The-Go (OTG).
- 93.8% OTG Efficiency at 2A with 8.4V Battery and 5V Output.
- Output Voltage with 10mV Resolution to Support USB-PD.
- BAT Current Limit Reg.