FUSB308BVMPX datasheet(11/53 Pages) ONSEMI

No. de pieza	FUSB308BVMPX

Descripción Electrónicos	USB Type-C Port Controller with USB-PD

PDF	53 Pages

Scroll/Zoom	100%

Fabricante Electrónico	ONSEMI [ON Semiconductor]

Página de inicio	http://www.onsemi.com

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FUSB308B

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Voltage Transitions

The FUSB308B has two source control ports: SRC and

SRC_HV. There are two ways to transition between SRC

and SRC_HV as seen in Figure 9 through Figure 12.

Figure 9. Transition to vSafe5V on Power Up

Power Up

Read

ALERT

Enable SRC path

SRC = High

FUSB30x

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)?

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

Read ALERT

Read PWRSTAT

Yes

Enable Auto Discharge

PWRCTRL.AUTO_DISCH=1b

FUSB308BVMPX Datasheet(PDF) 11 Page - ON Semiconductor

FUSB308BVMPX Datasheet(HTML) 11 Page - ON Semiconductor

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