TLE9879QXA40
Power Management Unit (PMU)
5.2.2
PMU Modes Overview
The following state diagram shows the available modes of the device.
VS > 4V and VS ramp up
or
VS < 3V and VS ramp down
LIN-wake or
MON-wake
or
start-up
cyclic -wake
VDDC =stable and
error_supp<5
VDDC / VDDP=
fail (short circuit)
Æ error_supp ++
error_sup=5
sleep
active
Sleep command (from MCU) or
WDT1_SEQ_FAIL = 1 (Æ error_wdt = 5)
or
VDDC / VDDP = overload
LIN-wake or
MON-wake or
GPIO-wake or
cyclic_wake or
PMU_PIN = 1 or
PMU_SOFT = 1 or
(PMU_Ext_WDT = 1 and
WDT1_SEQ_FAIL = 0
PMU_PIN = 1 or
SUP_TMOUT = 1
Æ error_wdt ++)
Stop
command
(from MCU)
stop
cyclic -sense
PMU_System_Modes _Cus _withStopp .vsd
Figure 4
Power Management Unit System Modes
Data Sheet
21
Rev. 1.0, 2015-04-30