UCS2112 Dual USB Port Power Evaluation Board User’s Guide
DS50002420A-page 28
2015 Microchip Technology Inc.
4.2.5.4
AUTO RECOVERY GROUP BOX
The Auto Recovery mechanism is active if
Latch error state
is unchecked. Otherwise,
the error is latched.
The auto recovery parameters (Retry duration timer and Short circuit voltage threshold)
can be changed by selecting one of the available radio buttons (see
).
FIGURE 4-8:
Advanced Configuration Tab - Auto Recovery Parameters.
4.2.5.5
VBUS DISCHARGE GROUP BOX
The Vbus Discharge Time can be changed by checking one of the available options.
By pressing the
Vbus1 Trigger discharge
and
Vbus2 Trigger discharge
buttons the
Vbus is discharged, forcing the portable device to reconnect.
4.2.5.6
CURRENT LIMIT BEHAVIOR GROUP BOX
The Current Limit Behavior parameters can be changed by selecting one of the
available options from the drop-down lists (for more information, see Current Limit
Behavior registers from the data sheet).
4.2.5.7
ALERT OPTIONS GROUP BOX
There are four ALERT options:
• When ALERT1/2
Mask
is checked, the ALERT1/2 pins will only be asserted if
overcurrent limit and thermal shutdown conditions are detected.
• When
ALERT1/2
Mask
is unchecked, the ALERT1/2 pins will be asserted if any
error condition or indicator event is detected.
• When ALERT1/2
Link i
s checked, the ALERT1/2 pins will be asserted if low
current indication is detected or the internal temperature has exceeded T
REG.
• When ALERT1/2
Link
is unchecked, the ALERT1/2 pins will not be asserted if low
current indication is detected or the internal temperature has exceeded T
REG.
4.2.5.8
DISABLE SMBUS TIMEOUT
When
Disable SMBus timeout
is checked, this feature is disabled. This is the default
setting. To enable the SMBus timeout feature, uncheck the respective check box.
4.2.5.9
UPDATE BUTTON
This button updates the Configuration registers with the settings modified in the
Advance Configuration
tab.
Auto recovery
parameters.