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PI5USB2546A датащи(PDF) 20 Page - Diodes Incorporated

номер детали PI5USB2546A
подробное описание детали  USB Charging Port Controller and Load Detection Power Switch
PDF  30 Pages
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производитель  DIODES [Diodes Incorporated]
домашняя страница  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PI5USB2546A датащи(HTML) 20 Page - Diodes Incorporated

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PI5USB2546A
www.diodes.com
July 2018
Document Number DS41265 Rev 1-2
20
© Diodes Incorporated
PI5USB2546A
Figure 6, PI5USB2546A Power Wake flow chart
Load being Charged
 PI5USB2546A is asserting power wake
 System power is at its full capability
 Load can charge at high current
 PI5USB2546A monitors port to detect when
charging load is done charging or removed
Charging Load Detected
PI5USB2546A is asserting power wake
System power turns on to its full power State
Load Vbus is held low for 2s to give the power
system time to turn on before the load tries to
pull charging current again.
Charging Load Not Detected
PI5USB2546A is not asserting power wake
System power is in a low power state to save energy.
PI5USB2546A monitors port to detect when charging load
is attached and tries to charge
Case 1 Load Detected
--------------------------------------
Power Wake Asserted
/STATUS=0
Current Limit=ILMI_HI setting
OUT Discharge
---------------------------------------
OUT Discharge Power Wake Asserted
/STATUS=0
Current Limit=55mA
Case 2A&2B (No Load Detected)
---------------------------------------------------
Power Wake D-asserted
/STATUS=1
Current Limit=55mA
Load Current<45mA for
15s (Not Charging)
Load Current>55mA
(Charging Current Detected)
Discharge >2s



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