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TLE75242-ESH データシート(PDF) 25 Page - Infineon Technologies AG |
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TLE75242-ESH データシート(HTML) 25 Page - Infineon Technologies AG |
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25 / 83 page  Datasheet 25 Rev. 1.0 2017-11-23 TLE75242-ESH SPIDER+ 12V Power Supply A transmission of SPI commands during transition from Active to Limp Home mode or Limp Home to Active mode may result in undefined SPI responses. 6.1.6 Definition of Power Supply modes transition times The channel turn-ON time is as defined by parameter tON when TLE75242-ESH is in Active mode or in Limp Home mode. In all other cases, it is necessary to add the transition time required to reach one of the two aforementioned Power Supply modes (as shown in Figure 14). Figure 14 Transition Time diagram 6.2 Reset condition One of the following 3 conditions resets the SPI registers to the default value: • VDD is not present or below the undervoltage threshold VDD(UV) • IDLE pin is set to “low” • a reset command (HWCR.RST set to “1”) is executed – ERRn bits are not cleared by a reset command (for functional safety) – UVRVS and LOPVDD bits are cleared by a reset command In particular, all channels are switched OFF (if there are no input pin set to “high”) and the Input Mapping configuration is reset. 6.2.1 Undervoltage on VS Between VS(UV) and VS(OP) the undervoltage mechanism is triggered. If the device is operative and the supply voltage drops below the undervoltage threshold VS(UV), the logic set the bit UVRVS to “1”. As soon as the supply voltage VS is above the minimum voltage operative threshold VS(OP), the bit UVRVS is set to “0” after the first Standard Diagnosis readout. Undervoltage condition on VS influences the status of the channels, as described OpModesTimings.emf Sleep Idle tSLEEP2IDLE Active Limp Home init tIDLE2SLEEP tACTIVE2IDLE tIDLE2ACTIVE tON tACTIVE2LH tLH2ACTIVE tLH2SLEEP tSLEEP2LH tON Channel ON tACTIVE2SLEEP |
同様の部品番号 - TLE75242-ESH |
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同様の説明 - TLE75242-ESH |
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