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FUSB307BVMPX 데이터시트(PDF) 13 Page - ON Semiconductor

부품명 FUSB307BVMPX
상세설명  USB Type-C Port Controller with USB-PD
PDF  57 Pages
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

FUSB307BVMPX 데이터시트(HTML) 13 Page - ON Semiconductor

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FUSB307B
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13
Voltage Transitions
The FUSB307B device can control a vSafe5V path via its
SRC output.
Figure 12. Transition to vSafe5V on Power Up
Power Up
Read
ALERT
Enable SRC path
SRC = High
FUSB307B
TCPM
Sourcing Disabled
PWRSTAT.SOURCE_VBUS = 0b
PWRSTAT.SOURCE_HV = 0b
SRC = Low
SRC_HV = Low
Prepare device to source vSafe5v
Write:
PWRCTRL.DIS_VALARM = 1b
PWRCTRL.AUTO_DISCH = 0b
Voltage Transition Complete
Set PWRSTAT.SOURCE_VBUS =1b
Set ALERT.I_PORT_PWR = 1b
Enable vSafe5v Source
Write COMMAND.SourceVbusDefaultVoltage
VBUS > vSafe5V(min)?
Y
No
Notify Policy Engine that voltage
transition is complete
Transition to vSafe5v Path on Power up
Sourcing vSafe5V
ALERT.I_PORT_PWR=1b?
Service other
ALERTS
No
Read ALERT
Read PWRSTAT
Yes
Enable Auto Discharge
PWRCTRL.AUTO_DISCH = 1b



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