RT9490 - 5A 2-4 Cell Buck-Boost Switching Battery Charger

Richtek

The RT9490 by Richtek is a 5A 2-4 Cell Buck-Boost Switching Battery Charger. Below is the official datasheet preview.

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RT9490 5A 2-4 Cell Buck-Boost Switching Battery Charger by Richtek - Datasheet Preview — Official preview page of the **RT9490** 5A 2-4 Cell Buck-Boost Switching Battery Charger datasheet (Richtek).

Datasheet Details

Part number	RT9490
Manufacturer	Richtek
File Size	1.73 MB
Description	5A 2-4 Cell Buck-Boost Switching Battery Charger
Datasheet	RT9490-Richtek.pdf
Additional preview pages of the RT9490 datasheet.

RT9490 Product details

Description

The RT9490 is a highly-integrated 5A Buck-Boost switch mode battery charge management and system power path management device for 2-4 cell Li-Ion and Li-polymer battery. 40C to 130C, and

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.
Supports 3.6V to 24V Input Voltage Range.
Average Input Current Regulation (AICR).
Minimum Input Voltage Regulation (MIVR).
Supports 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 R.

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Published: Apr 6, 2024 |