TLE9869QXA20_15 Datasheet, PDF (21/122 Pages) Infineon Technologies AG – Microcontroller with LIN and H-Bridge MOSFET Driver for Automotive Applications

5.2.2 PMU Modes Overview
The following state diagram shows the available modes of the device.
TLE9869QXA20
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