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UCS1001 bảng dữ liệu(PDF) 48 Page - Microchip Technology

tên linh kiện UCS1001
Giải thích chi tiết về linh kiện  USB Port Power Controller with Charger Emulation
PDF  59 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
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UCS1001 bảng dữ liệu(HTML) 48 Page - Microchip Technology

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USB Port Power Controller with Charger Emulation
Datasheet
Revision 1.2 (05-21-12)
48
SMSC UCS1001
DATASHEET
8.10.5
Legacy 7 Charger Emulation Profile
The Legacy 7 charger emulation profile does the following:
1. The UCS1001 will apply a voltage on the DPOUT pin using a voltage divider between VBUS and
ground with the center tap on the DPOUT pin.
2. VBUS voltage is applied.
3. If the portable device is charging, the UCS1001 will accept that Legacy 7 is the correct charger
emulation profile for the attached portable device. The voltage applied to the DPOUT pin will
remain in place. The UCS1001 will begin operating in trip mode
4. If the portable device is not charging, the UCS1001 will stop the Legacy 7 charger emulation profile.
This will cause the voltage put onto the DPOUT pin to be removed. Emulation reset occurs, and
the UCS1001 will initiate the next charger emulation profile.



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