RT9490S - 5A 1-2 Cell Buck-Boost Switching Battery Charger

Richtek

The RT9490S by Richtek is a 5A 1-2 Cell Buck-Boost Switching Battery Charger. Below is the official datasheet preview.

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RT9490S 5A 1-2 Cell Buck-Boost Switching Battery Charger by Richtek - Datasheet Preview — Official preview page of the **RT9490S** 5A 1-2 Cell Buck-Boost Switching Battery Charger datasheet (Richtek).

Datasheet Details

Part number	RT9490S
Manufacturer	Richtek
File Size	3.16 MB
Description	5A 1-2 Cell Buck-Boost Switching Battery Charger
Datasheet	RT9490S-Richtek.pdf
Additional preview pages of the RT9490S datasheet.

RT9490S Product details

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.

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.

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Published: Dec 30, 2024 |