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TLE9185QXV33 Datasheet(PDF) 16 Page - Infineon Technologies AG |
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TLE9185QXV33 Datasheet(HTML) 16 Page - Infineon Technologies AG |
16 / 192 page ![]() TLE9185QXV33 BLDC Driver System Features Datasheet 16 Rev.1.0 2021-01-21 5 System Features This chapter describes the system features and behavior of the TLE9185QXV33: • State machine • Device configuration • State machine modes and mode transitions • Wake-up features such as cyclic wake 5.1 Short State Machine Description The BLDC Driver offers six operating modes: • Init Mode: Power-up of the device and after a soft reset. • Normal Mode: The main operating mode of the device. • Stop Mode: The first-level power saving mode with the main voltage regulator VCC1 enabled. • Sleep Mode: The second-level power saving mode with VCC1 disabled. • Restart Mode: An intermediate mode after a wake event from Sleep Mode or Fail-Safe Mode or after a failure (e.g. WD failure, VCC1 under voltage reset). • Fail-Safe Mode: A safe-state mode after critical failures (e.g. Temperature shutdown) to bring the system into a safe state and to ensure a proper restart of the system. A special mode, called Software Development Mode, is available during software development or debugging of the system. All above mentioned operating modes can be accessed in this mode. However, the watchdog is still running. Watchdog failures are indicated over INTN pin instead. However, the watchdog reset signaling can be reactivated again in Software Development Mode. The Watchdog will start always with the Long Open Windows (t_low). The BLDC Driver is controlled via a 32-bit SPI interface (refer to Chapter 11 for detailed information). The configuration as well as the diagnosis is handled via the SPI. The device offers various supervision features to support functional safety requirements. Refer to Chapter 10 for more information. |
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