Microchip Technology MIC7401, Руководство пользователя

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GUI Description
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2016 - 2018 Microchip Technology Inc. DS50002723A-page 27
3.2.5 MIC7401 I
2
C Diagnostic
The MIC7401 Diagnostic area ( Figure 3-7 ) contains the items in Table 3-4 .
FIGURE 3-7: MIC7401 I
2
C DIAGNOSTIC AREA
The MIC7401 I
2
C Diagnostic area resumes the information contained in the
PGOOD register and FAULT register. The Status register contains latched
(Flag) bits. Flag bits are set when the corresponding fault condition occurs and
do not return to zero once the fault conditions ceases. If such a fault occurs,
the user can clear the faults by clearing (writing logic “
0
”) to the respective fault
bit or power cycling the device.
When an over-temperature is detected, the MIC7401 pulls down the global
Power-good output and all outputs are turned off. During the fault condition the
I
2
C interface remains active and all register values are maintained.
TABLE 3-4: MIC7401 I
2
C DIAGNOSTIC AREA ITEMS
Panel Items Description
Status OT This box is red if the MIC7401 junction
temperature exceeds 160oC. This does
not affect the normal operation of the
device.
REGx: PG This box is green if the regulator output
voltage is above 91% of nominal (set)
voltage
REGx: OC This box is red if the over-current
condition is detected
Clear Faults
Button This button manually clears the OC
faults. This works after the respective
regulators have started and the PG box
is green.