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BL2514A Datasheet Preview

BL2514A Datasheet

USB dedicated charging port (DCP) controller

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BL2514A
USB dedicated charging port (DCP) controller
BL2514A
DESCRIPTION
The BL2514A is USB dedicated charging port (DCP) controllers. Applications include
vehicle power charger, wall adapters with USB DCP and other USB chargers. The
BL2514A controller has the auto-detect feature that monitors the D+ and D– line
voltages of the USB connector, providing the correct electrical signatures on the DP
and DM pins for the correct detections of compliant portable devices to fast charge.
These portable devices include smart phones, 5-V tablets and personal media
players.
The BL2514A support five of the most common protocols:
Divider 3 (DCP Applying 2.7V on D+ Line and 2.7V on D– Line)
USB Battery Charging Specification, Revision 1.2 (BC1.2)
Chinese Telecommunications Industry Standard YD/T 1591-2009
1.2V on both D+ and D– lines
FEATURES
In accordance with USB Battery Charging Specification, Revision 1.2 (BC1.2),
support USB DCP D+ line shorted to D- line.
In accordance with Chinese Telecommunications Industry Standard YD/T
1591-2009, support Short mode. ( support D+ line shorted to D- line)
Support DCP applying 2.7 V on D+ Line and 2.7 V on D– Line
Support DCP applying 1.2V to the D+ Line and 1.2V to the D– Line
Automatic switching D+ Line and D- Line for connected devices.
Single USB port controller.
Operation voltage range from 4.5V to 5.5V
APPLICATIONS
USB car charger
AC-DC adapter with USB port
Other USB charger
www.belling.com.cn
1
V1.0




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BL2514A Datasheet Preview

BL2514A Datasheet

USB dedicated charging port (DCP) controller

No Preview Available !

BLOCK DIAGRAM
BL2514A
PIN CONFIGURATI ON
PIN DESCRIPTION
No.
Nam
e
Type
description
Connected to the D+ or D– line of USB connector, provide the
1 DP1 I/O correct voltage with attached portable equipment for DCP
detection.
2 GND G Ground connection
3 NC
No Connect
4 NC
No Connect
Power supply. Connect a ceramic capacitor with a value of
5 IN
P 0.1-µF or greater from the IN pin to GND as close to the device
as possible.
Connected to the D+ or D– line of USB connector, provide the
6 DM1 I/O correct voltage with attached portable equipment for DCP
detection.
www.belling.com.cn
2
V1.0


Part Number BL2514A
Description USB dedicated charging port (DCP) controller
Maker BELLING
Total Page 11 Pages
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