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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ADP1048ARQZ-R7 데이터시트(PDF) 78 Page - Analog Devices |
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ADP1048ARQZ-R7 데이터시트(HTML) 78 Page - Analog Devices |
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78 / 84 page  ADP1047/ADP1048 Data Sheet Rev. 0 | Page 78 of 84 VAC ADC OFFSET TRIM REGISTER This register must be unlocked for write access; see Table 61. Table 143. Register 0xFE53—VAC ADC Offset Trim Bits Bit Name R/W Description [7:0] VAC ADC offset trim R/W This register calibrates the VAC ADC offset (the offset is always subtracted from the ADC output). CS ADC OFFSET TRIM FOR 500 mV RANGE REGISTER This register must be unlocked for write access; see Table 61. Table 144. Register 0xFE54—CS ADC Offset Trim for 500 mV Range Bits Bit Name R/W Description [7:0] CS ADC offset trim R/W This register calibrates the CS current sense offset (the offset is always subtracted from the ADC output). CS ADC GAIN TRIM FOR HIGH (750 mV) RANGE REGISTER This register must be unlocked for write access; see Table 61. Table 145. Register 0xFE7E—CS ADC Gain Trim for High (750 mV) Range Bits Bit Name R/W Description 7 Gain polarity R/W 1 = negative gain is introduced. 0 = positive gain is introduced. [6:0] CS ADC gain trim R/W This register calibrates the CS current sense gain. CS ADC OFFSET TRIM FOR HIGH (750 mV) RANGE REGISTER This register must be unlocked for write access; see Table 61. Table 146. Register 0xFE7F—CS ADC Offset Trim for High (750 mV) Range Bits Bit Name R/W Description [7:0] CS ADC offset trim R/W This register calibrates the CS current sense offset (the offset is always subtracted from the ADC output). LATCHED FLAG REGISTERS The bits in the latched flag registers remain set (latched) to allow users to detect an intermittent fault. Reading a latched flag register resets the flags in that register. Table 147. Register 0xFE80—Latched Flag 0 Bits Bit Name R/W Description 7 MAX_MODULATION R 1 = maximum modulation limit is reached. 6 MIN_MODULATION R 1 = minimum modulation limit is reached. 5 OLP R 1 = one of the two voltage dividers is probably disconnected or malfunctioning. 4 FAST_OVP R 1 = the threshold set for the comparator on the OVP pin has been crossed. 3 AC_PERIOD R 1 = controller is not able to detect the ac line period; the maximum value of the period is used and this flag is set. 2 BROWN_OUT R 1 = VAC is lower than the value stored in VIN_ON (Register 0x35). 1 SOFT_START R 1 = system is in soft start sequence; fast loop filter is in use. 0 INRUSH R 1 = INRUSH control relay is off. |
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