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TLE9185QXV33 Datasheet(PDF) 19 Page - Infineon Technologies AG |
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TLE9185QXV33 Datasheet(HTML) 19 Page - Infineon Technologies AG |
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19 / 192 page  TLE9185QXV33 BLDC Driver System Features Datasheet 19 Rev.1.0 2021-01-21 5.3 Block Description of State Machine The state machine describes the different states of operation, the device may get into. The following figure shows the state machine flow diagram. Figure 5 State Diagram showing the operating modes Description: • ON /OFF:= Indicate if the module is enabled or disabled either via SPI or from the device itself • config:= Settings can be changed in this mode • fixed:= Settings stay as defined in Normal Mode or Init Mode • active/inactive:= Indicate if the device activates/deactivates one specific feature SPI cmd SPI cmd SPI cmd Any SPI command WD trigger First battery connection Automatic VCC1 Short to GND Soft Reset Reset is released WD starts with long open window (1) After Fail-Safe Mode entry, the device will stay for at least typ. 1s in this mode (with RSTN low) after a TSD2 event and min. typ. 100ms after other Fail-Safe Events. Only then the device can leave the mode via a wake-up event. Wake events are stored during this time. (2) HB Passive off due to gate-source resistors. TSD2 event * The Software Development Mode is a super set of state machine where the WD reset is not signaled. WK wake-up event OR Release of overtemperature TSD2 after a time depending on TSD2_DEL Init Mode * (Long open window) VCC1 ON CP (2) OFF WD fixed BD (2) OFF Cyc. Wake OFF Normal Mode VCC1 ON CP config. WD config. BD config. Cyc. Wake config. Stop Mode VCC1 ON CP (2) OFF WD fixed BD (2) OFF Cyc. Wake fixed Sleep Mode VCC1 OFF CP (2) OFF WD OFF BD (2) OFF Cyc. Wake fixed Fail-Safe Mode (1) VCC1 OFF CP (2) OFF WD OFF BD (2) OFF Cyc. Wake OFF Restart Mode (RO pin is asserted) VCC1 ON/ ramping CP (2) OFF WD OFF BD (3) OFF Cyc. Wake OFF Config.: settings can be changed in this device mode; Fixed: settings stay as defined in Normal Mode After 4x consecutive Watchdog failure VCC1 over voltage (depend from VCC1_OV_MOD setting) VCC1 over voltage (depend from VCC1_OV_MOD setting) VCC1 Under voltage Watchdog Failure Sleep Mode entry without any wake source enabled After 4x consecutive VCC1 under voltage events (if VS_INT > VS_INT_UV) Wake up event LS short circuit during VS_OV event CSA OFF CSA config. CSA OFF CSA OFF CSA OFF CSA OFF |
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