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FUSB307B Datasheet(PDF) 39 Page - ON Semiconductor

Part # FUSB307B
Description  USB Type-C Port Controller with USB-PD
PDF  57 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

FUSB307B Datasheet(HTML) 39 Page - ON Semiconductor

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39
Table 40. FAULTCTRL
Address: 1Bh
Reset Value: 0x00
Type: Read/Write
Bit #
Name
R/W/C
Size (Bits)
Fault Control Description
7:4
Reserved
R
4
Reserved: 0000b
3
DISCH_TIMER_DIS
R/W
1
Auto and Force VBUS Discharge Timer Enable
0b: VBUS Discharge timer is enabled
1b: VBUS Discharge timer is disabled
2
Reserved
R
1
Reserved: 0b
1
Reserved
R
1
Reserved: 0b
0
VCONN_OCP_DIS
R/W
1
VCONN OCP Enable
0b: VCONN OCP Enabled
1b: VCONN OCP Disabled
Table 41. PWRCTRL
Address: 1Ch
Reset Value: 0x60
Type: Read/Write
Bit #
Name
R/W/C
Size (Bits)
Power Control Description
7
Reserved
R
1
Reserved: 0b
6
DIS_VBUS_MON
(Note 25)
R/W
1
Controls VBUS_VOLTAGE_L Monitoring.
0b: VBUS Voltage Monitoring is enabled
1b: VBUS Voltage Monitoring is disabled
5
DIS_VALARM
R/W
1
Disables VALARMHCFGL and VALARMLCFGL
0b: Voltage Alarm reporting is enabled
1b:Voltage Alarm reporting is disabled
4
AUTO_DISCH
(Notes 26, 28)
R/W
1
Auto Discharge on Disconnect
0b: Turn Off Automatically Discharge VBUS based on VBUS Voltage
1b: Turn On Automatically Discharge VBUS based on VBUS Voltage
3
EN_BLEED_DISCH
(Note 30)
R/W
1
Enable Bleed Discharge
0b: Disable bleed discharge of VBUS
1b: Enable bleed discharge of VBUS
2
FORCE_DISCH
(Note 27, 29)
R/W
1
Force Discharge
0b: Disable forced discharge of VBUS
1b: Enable forced discharge of VBUS
1
VCONN_PWR
R/W
1
VCONN Power Supported
Writing this bit has no function. Please use VCONN_OCP to set
OCP values
0
EN_VCONN
R/W
1
Enable VCONN
0b: Disable VCONN Source (default)
1b: Enable VCONN Source to CC
25. If VBUS_MON is disabled, VBUS_VOLTAGE_L and VBUS_VOLTAGE_H reports all zeroes.
26. Setting this bit in a Source FUSB307B triggers the following actions upon disconnection detection:
1. Disable sourcing power over Vbus
2. VBUS discharge
27. Sourcing power over Vbus shall be disabled before or at same time as starting VBUS discharge.
28. Setting this bit in a Sink FUSB307B triggers the following action upon disconnection detection:
1. VBUS discharge
29. The FUSB307B will automatically disable discharge once the voltage on VBUS is below vSafe0V (max.).
30. Bleed Discharge is a low current discharge to provide a minimum load current if needed.



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