RT5072 Datasheet, PDF (37/68 Pages) Richtek Technology Corporation – The RT5072 is a complete power supply solution

RT5072
Interrupt Indicator
The RT5072 provides an interrupt indicator output pin (INT). INT is an open-drain output which is controlled by A9.INT bit.
When the PGOOD, TS_Meter [2:0], EOC, THR, SAFE, NoBAT, CHGRUN, DPM status bits toggle, the A9.INT bit will be
set to high. In order to reset the interrupt status, a “0” must be written to the A9.INT bit or power on the PMU again. The
timing diagram is shown below :
Interrupt vs. Events (I²C Status Bits)
INT assert
(Turn to low)
PGOOD
NoBAT
TS_METER [2:0] = 000
(Event may be cold or
hot, VP UVLO, NoBAT)
EOC
THR
SAFE
DPM
CHGRUN
When PMU turns on with event
condition
No Event (0)
Event has
occurred (1)
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
During PMU on
Event appear
(0  1)
Yes
Yes
Event disappear
(1  0)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
INT vs. Fault/Status Timing Diagram
NoBAT
PGOOD
EOC
THR
SAFE
TS_Meter [2:0]
CHGRUN
DPM
(Mask_DPM = 0)
INT
A9.INT bit is written to "0"
When the A9.INT bit is written to "0", the INT will be set to high.
When Mask_DPM = 1 and DPM event change, the INT would not be asserted.
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DS5072-00 March 2015
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