TLE9221SX Datasheet, PDF (41/91 Pages) Infineon Technologies AG – FlexRay Transceiver

TLE9221SX
Power Supply Interface
host command: EN=“0”, STBN=“0”, BD_Standby mode
power-up
uV_BAT > uBDUVV_BAT
AND
uV_CC > uBDUVV_CC
BD_Standby
(host commands
released!)
uV_CC > uBDUVV_CC
BD_Standby
(host commands
blocked!)
uV_BAT > uBDUVV_BAT
BD_Sleep
t < dBDUVV_BAT
AND
uV_BAT > uBDUVV_BAT
AND
t < dBDUVV_CC
AND
uV_CC > uBDUVV_CC
uV_BAT < uBDUVV_Bat
OR
uV_CC < uBDUVV_CC
Interim
BD_Standby
t > dBDUVV_CC ¹⁾
set uV_CC undervoltage flag
t > dBDUVV_BAT ¹⁾
set uV_Bat undervoltage flag
1) _{uVBAT undervoltage overrules uVCC undervoltage}
Figure 31 Changing over to Interim_BD_Standby mode
Data Sheet
41
Rev. 1.10, 2013-07-15