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TLE9185QXV33 Datasheet(PDF) 25 Page - Infineon Technologies AG |
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TLE9185QXV33 Datasheet(HTML) 25 Page - Infineon Technologies AG |
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25 / 192 page  TLE9185QXV33 BLDC Driver System Features Datasheet 25 Rev.1.0 2021-01-21 • Device in Normal Mode or Stop Mode with follow conditions: –VSINT > VPOR,r –RSTN High Triggering Events: • A Soft Reset command (MODE = ‘11’). All SPI registers will be changed to their respective Soft Reset values. Note • In case of Soft Reset command, a hardware RSTN event can be generated depending on the configuration. An external Reset will be generated in case of SOFT_RESET_RO = 0B . In case of SOFT_RESET_RO = 1B, no RSTN hardware event is generated in case of Soft Reset. • At power-up, the SPI bit VCC1_UV will not be set as long as VCC1 is below the VRT,x threshold and if VSINT is below the VSINT,UV threshold. The RSTN pin will be kept LOW as long as VCC1 is below the selected VRT1,r threshold. The reset delay counter will start after VRT1,r threshold is reached. After the first threshold crossing of VCC1 > VRT1,R and RSTN transition from low to high, all subsequent undervoltage events will lead to Restart Mode. • Wake events are ignored during Init Mode and will be lost. •The bit VSINT_UV will only be updated in Init Mode once RSTN resumes a high level. 5.5.2 Init Mode -> Normal Mode This transition moves the device in the mode where all configurations are accessable via SPI command. Prerequisites: •VSINT > VPOR,r •Init Mode •RSTN High Triggering Events: • Any valid SPI command (from SPI protocol point of view) will bring the device to Normal Mode (i.e. any register can be written, cleared and read) during the long open window where the watchdog has to be triggered (refer also Chapter 11.2). The CRC is not taken into account for this transition. • For example: – A SPI Sleep Mode command will still bring the device into Normal Mode. However, as this is an invalid state transition, the SPI bit SPI_FAIL is set. – Any invalid SPI command (from content point of view) will still bring the device into Normal Mode. The SPI bit SPI_FAIL is set. Note • It is recommended to use the first SPI command to trigger and to configure the watchdog. 5.5.3 Normal Mode -> Stop Mode This transition is intended as first measure to reduce the current consumption. All the device features needed in Stop Mode shall be configured in Normal Mode. Prerequisites: • VCC1>Vrtx • Device in Normal Mode Triggering Events: |
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