TLE9877QXA20_15 Datasheet, PDF (21/122 Pages) Infineon Technologies AG – Microcontroller with LIN and BLDC MOSFET Driver for Automotive Applications

5.2.2 PMU Modes Overview
The following state diagram shows the available modes of the device.
TLE9877QXA20
Power Management Unit (PMU)
LIN-wake or
MON-wake
or
cyclic -wake
V_S > 4V and V_S ramp up
or
VS < 3V and VS ramp down
error_sup=5
start-up
VDDC / VDDP =
fail (short circuit)
Æ error_supp ++
VDDC =stable and
error_supp<5
sleep
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
SUP_TMOUT = 1
active
stop
cyclic -sense
Stop
command
(from MCU)
PMU_PIN = 1 or
PMU_SOFT = 1 or
(PMU_Ext_WDT = 1 and
WDT1_SEQ_FAIL = 0
Æ error_wdt ++)
Figure 4 Power Management Unit System Modes
PMU_System_Modes _Cus _withStopp .vsd
Data Sheet
21
Rev. 1.0, 2015-04-30