EC49021|USB Charger Enhance IC

EC49021|USB Charger Enhance IC

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General Description

The EC49021 is designed for USB dedicated charging port (DCP) controller.
The EC49021 can automatically detect and provide the correct signal on the D+ and D- data lines to the USB devices.
The internal dedicated charging schemes can change the charging mode for the different USB device.
■ BC1.2 DCP that short the D+ line to the D-line
■ divider DCP that apply specified voltage on the D+ and D- lines
■ specification that apply specified voltage on the D+ and D- lines
The EC49021 set the USB interface data D+ and D- to the required condition then the handheld charging device will start to charge current as much as possible from the power source .

FEATURE

■ Operating range: 4.5V to 5.5V
■ Automatically switch data lines D+ and D- connections for the attached USB device
■ Supports Android device charging mode
■ Supports BC1.2 charging specification mode
■ Supports selectable Apple 1A ,2A and 2.4A charging mode
■ Supports most of mainstream USB device fast charging
■ RoHS compliant and lead-free package
■ SOT23-5 package

APPLICATION

■ AC-DC wall adapter with USB port
■ Vehicle USB power charger
■ Other USB charger
■ Power bank USB charger


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