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TLE9185QXV33 Datasheet(PDF) 27 Page - Infineon Technologies AG |
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TLE9185QXV33 Datasheet(HTML) 27 Page - Infineon Technologies AG |
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27 / 192 page  TLE9185QXV33 BLDC Driver System Features Datasheet 27 Rev.1.0 2021-01-21 5.5.6 Sleep Mode -> Restart Mode This transition is the consequence of a detection of wake-up event by the device. This transition is used to ramp up VCC1 after a wake in a defined way. Prerequisites: • Device in Sleep Mode • At least one wake-up source active Triggering Events: • A wake-up event on WKx, Cyclic Wake. • Bridge driver low-side short circuit detected during overvoltage braking or in parking braking mode. Note • It is not possible to switch off all wake sources in Sleep Mode. Doing so will set the SPI_FAIL flag and will bring the device into Restart Mode. • RSTN is pulled low during Restart Mode. • The Restart Mode entry is signalled in the SPI register DEV_STAT. • The wake-up events are flaged in WK_STAT register or DSOV register. 5.5.7 Restart Mode -> Normal Mode From Restart Mode, the device goes automatically to Normal Mode. Prerequisites: • Device in Sleep Mode or Fail-Safe Mode Triggering Events: •Automatic • Reset is released Note • The watchdog timer will start with a long open window starting from the moment of the rising edge of RSTN and the watchdog period setting in the register WD_CTRL will be changed to the respective default value. 5.5.8 Fail-Safe Mode -> Restart Mode This transition is similar to device from Sleep Mode to Restart Mode and consequence of a detection of wake- up event by the device. This transition is used to ramp up VCC1 after a wake in a defined way. Prerequisites: • Device in Fail-Safe Mode Triggering Events: • A wake-up event on WKx, TSD2 (released over temperature TDS2 after tTSD2). • Bridge Driver Low Side short circuit detected during VS/VSINT overvoltage braking mode or in parking braking mode. Note: After leaving Fail-Safe Mode, the FAILURE bit in DEV_STAT register is set. |
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