NCP3902
www.onsemi.com
10
Figure 6. Autonomous Configuration. Application of VOUT, Enabling (OTG), Disabling
Tinit
USBIN
EN_N
RX_N
FLAG_N
Discharge
Switch
State OFF INIT
AUTO
READY
OTG READY
OUT
Closed
OTG DISCH
Timer
Open
Active
OTG READY
Inactive
Open
OTG ON
Tdis
Inactive
Tdebout, Tilen
Tilfl Tihfl
FLAG_N Low
OTG Enable
FLAG_N High
OTG disable
NCP3902
www.onsemi.com
11
Figure 7. Autonomous Configuration. Application of VOUT
Tinit
USBIN
EN_N
RX_N
FLAG_N
Discharge
Switch
State OFF INIT AUTO READY OTG READY
OUT
Closed
Timer
Open
OFF
Open
OTG ON
Inactive
Tdebout, Tilen
FLAG_N
Maintained Low
Tilfl
NCP3902
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12
Figure 8. Autonomous Configuration. Application of VBUS with VOUT Present, Removal of VBUS
USBIN
EN_N
RX_N
FLAG_N
Discharge
Switch
State OTG READY
OUT
AUTO DISCH
Timer
Open
Active
AUTO ON
Closed
Tdis
Inactive
Tdebusb
OFF
Open
Inactive

NCP3902FCCTBG

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Power Switch ICs - Power Distribution NCP3902 TOWER - HVR
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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