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EST5198B の電気的特性と機能

EST5198BのメーカーはESTです、この部品の機能は「USB Charger Enhance IC」です。


製品の詳細 ( Datasheet PDF )

部品番号 EST5198B
部品説明 USB Charger Enhance IC
メーカ EST
ロゴ EST ロゴ 




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EST5198B Datasheet, EST5198B PDF,ピン配置, 機能
EST.5198B
USB Charger Enhance IC
Data Sheet
Type Description : USB Charger EnhanceIC
Product Name : EST5198B
Reversion :
2.0
Reversion Date : November 11, 2013
Page :
9 Pages
www.esthome.com
- 1 - Datasheet Rev. 2.0

1 Page





EST5198B pdf, ピン配列
EST.5198B
USB Charger Enhance IC
PIN INFORMATION
PIN DESCRIPTION
Pin Symbol
1 MODE
2 GND
3 VCC
4 D
5 D
Type
Input
Ground
Power
Bi-direction
Bi-direction
Function
Internal default pull high
Mode selection: 1A, 2A and 2.4A
Ground
Power
USB positive data line
USB negative data line
REFERENCE APPLICATION CIRCUIT
VBUS
GND
USB Adapter
VCC
D+
EST5198
D-
GND
VBUS
D+
D-
GND
USB Handheld Device
REFERENCE APPLICATION KIT
EST.5198B
www.esthome.com
- 3 - Datasheet Rev. 2.0


3Pages


EST5198B 電子部品, 半導体
EST.5198B
USB Charger Enhance IC
4. The EST5198B support most of the common protocols:
USB Battery Charging Specification, Revision 1.2(BC 1.2)
China Telecommunications Industry Standard YD/T 1591-2009
Specified Divider Mode
5. There are three types of charging ports defined to provide different current to the USB device.
Standard downstream port(SDP)
Charging downstream port(CDP)
Dedicated charging port(DCP)
The BC1.2 specification defines the charging USB port that provides power for the portable device.
6. Dedicated Charging Port (DCP)
The DCP is a downstream port on the device which generally allows portable devices with fast
charge at their maximum rated current. A USB charger with DCP can be a wall adapter or vehicle
power adapter. The electrical characteristics in the data D+ and D- data lines can identify the
charging mode.
7. Short the D+ line to the D- line
The USB BC1.2 Specification and the China Telecommunications Industry Standard YD/T
1501-2009 define the D+ and D- should be shorted. This is shown as below
5.0V
J1
R1
1
2
3
4
VBUS
D-
D+
GND
USB
8. Divider Mode
There are some different charging schemes for the DCP mode. All of them have different voltage
levels on the D+ line and D- line. This is shown as below
5.0V
J1
VD-
VD+
1
2
3
4
VBUS
D-
D+
GND
USB
The EST5198B can detect the D+ line and D- line voltages automatically and provide the correct
signals on the D+ and D- pins for the different USB portable device to fast charge.
IMPORTANT NOTICE
The products are not intended for use in life support appliances, devices, or systems. Use in such
applications are expressly prohibited.
www.esthome.com
- 6 - Datasheet Rev. 2.0

6 Page



ページ 合計 : 9 ページ
 
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[ EST5198B データシート.PDF ]


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共有リンク

Link :


部品番号部品説明メーカ
EST5198

USB Charger Enhance IC

EST
EST
EST5198B

USB Charger Enhance IC

EST
EST


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