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TLE9185QXV33 Datasheet(PDF) 28 Page - Infineon Technologies AG |
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TLE9185QXV33 Datasheet(HTML) 28 Page - Infineon Technologies AG |
28 / 192 page TLE9185QXV33 BLDC Driver System Features Datasheet 28 Rev.1.0 2021-01-21 5.6 Reaction on Detected Faults The device can react at some critical events either signalling the specific failure or changing the device mode. The chapter describes actions taken from the device in case of critical events in particular related the device mode change. 5.6.1 Stay in Current State The following failures will not trigger any device mode changes, but will indicate the failures by an INTN event (depending from the Interrupt Masking) and in dedicated status registers: • Failures in Bridge Driver and/or Charge Pump 5.6.2 Transition into Restart Mode The Restart Mode can be entered in case of failure as shown in following figure. Figure 12 Move into Restart Mode Prerequisites • In case of wake-up event from Sleep Mode or Fail Safe Mode •In case of Normal Mode • In case of Stop Mode Trigger Events • VCC1 Undervoltage in case of Normal Mode or Stop Mode. • Watchdog trigger failure in case of Normal Mode or Stop Mode. • VCC1 Overvoltage (based on VCC1_OV_MOD) in case of Normal Mode or Stop Mode. • Sleep Mode entry without any wake-up sources enabled in Normal Mode or Stop Mode. Note •None Restart Mode (RO pin is asserted) VCC1 ON/ ramping CP OFF WD OFF BD OFF Cyc. Wake OFF CSA OFF VCC1 over voltage (depend from VCC1_OV_MOD setting) VCC1 Under voltage Watchdog Failure Sleep Mode entry without any wake source enabled |
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