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TLE9185QXV33 Datasheet(PDF) 33 Page - Infineon Technologies AG |
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TLE9185QXV33 Datasheet(HTML) 33 Page - Infineon Technologies AG |
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33 / 192 page  TLE9185QXV33 BLDC Driver Voltage Regulator 1 Datasheet 33 Rev.1.0 2021-01-21 6.2 Functional Description The Voltage Regulator 1 (=VCC1) is “ON” in Normal Mode and Stop Mode and is disabled in Sleep Mode and in Fail-Safe Mode. The regulator can provide an output current up to IVCC1,lim. For low-quiescent current reasons, the output voltage tolerance is decreased in Stop Mode because only the less accurate low-power mode regulator will be active for small loads. If the load current on VCC1 exceeds the selected threshold (IVCC1,Ipeak1,r or IVCC1,Ipeak2,r) then the high-power mode regulator will be also activated to support an optimum dynamic load behavior. The current consumption will then increase (approx. 2.8 mA additional quiescent current). The device mode stays unchanged. If the load current on VCC1 falls below the selected threshold (IVCC1,Ipeak1,f or IVCC1,Ipeak2,f), then the low-quiescent current mode is resumed again by disabling the high-power mode regulator. Both regulators (low-power mode and high-power mode) are active in Normal Mode. Two different active peak thresholds can be selected via SPI: • I_PEAK_TH = ‘0’(default): the lower VCC1 active peak threshold 1 is selected with lowest quiescent current consumption in Stop Mode. • I_PEAK_TH = ‘1’: the higher VCC1 active peak threshold 2 is selected with an increased quiescent current consumption in Stop Mode. |
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