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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L6474 데이터시트(PDF) 29 Page - STMicroelectronics |
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L6474 데이터시트(HTML) 29 Page - STMicroelectronics |
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29 / 51 page  L6474 Phase current control Doc ID 022529 Rev 2 29/51 Figure 12. Fast decay tuning during the falling steps 7.4 Torque regulation (output current amplitude regulation) The output current amplitude can be regulated in two ways: writing the TVAL register or varying the ADCIN voltage value. The EN_TQREG bit (CONFIG register) sets the torque regulation method. If this bit is high, ADC_OUT prevalue is used to regulate output current amplitude (see paragraph 9.1.8). Otherwise the internal analog to digital converter is at the user’s disposal and the output current amplitude is managed by the TVAL register (see paragraph 9.1.4). The voltage applied to the ADCIN pin is sampled at fS frequency and converted in an NADC bit digital signal. The analog to digital conversion result is available in the ADC_OUT register. |
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