参数资料
型号: ADP1048-600-EVALZ
厂商: Analog Devices Inc
文件页数: 64/84页
文件大小: 0K
描述: BOARD EVAL ADP1048-600
标准包装: 1
主要目的: 电源管理,功率因数校正
已用 IC / 零件: ADP1048
主要属性: 600W,385V 输出,85~265VAC 输入
已供物品:
ADP1047/ADP1048
RTD ADC GAIN TRIM SETTING REGISTER
This register must be unlocked for write access; see Table 61.
Table 86. Register 0xFE18—RTD ADC Gain Trim Setting
Data Sheet
Bits
7
Bit Name
Gain polarity
R/W
R/W
Description
1 = negative gain is introduced.
0 = positive gain is introduced.
[6:0]
RTD ADC gain trim
R/W
This value sets the amount of gain trim that is applied to the RTD sensing gain.
OT_FAULT_LIMIT REGISTER
This register sets the overtemperature fault threshold. The debounce time of the overtemperature fault flag is 100 ms.
Table 87. Register 0xFE19—OT_FAULT_LIMIT
Bits
[7:0]
Bit Name
OT fault threshold
R/W
R/W
Description
Overtemperature fault threshold. This register, adding 0 as the MSB, results in a 9-bit threshold
value. This 9-bit value is compared to the nine MSBs of the RTD ADC reading. If the RTD ADC
reading is lower than the threshold set by these bits, the overtemperature fault flag is set.
These eight bits provide 256 threshold settings from 0 mV to 800 mV (one LSB = 800 mV/256 =
3.125 mV). However, the lowest allowed value is 9.375 mV (0x03), and the highest allowed
value is 781.25 mV (0xFA).
Bit 7
0
0
0
1
1
Bit 6
0
0
0
1
1
Bit 3
0
0
0
1
1
Bit 2
0
1
1
0
0
Bit 1
1
0
0
0
1
Bit 0
1
0
1
1
0
OTP Threshold (mV)
9.375
12.5
15.875
778.125
781.25
OT_WARN_LIMIT REGISTER
This register sets the overtemperature warning threshold. The debounce time of the overtemperature warning flag is 100 ms.
Table 88. Register 0xFE1A—OT_WARN_LIMIT
Bits
[7:0]
Bit Name
OT warning threshold
R/W
R/W
Description
Overtemperature warning threshold. This register, adding 0 as the MSB, results in a 9-bit threshold
value. This 9-bit value is compared to the nine MSBs of the RTD ADC reading. If the RTD ADC
reading is lower than the threshold set by these bits, the overtemperature warning flag is set.
These eight bits provide 256 threshold settings from 0 mV to 800 mV (one LSB = 800 mV/256 =
3.125 mV). However, the lowest allowed value is 9.375 mV (0x03), and the highest allowed
value is 781.25 mV (0xFA).
Bit 7
0
0
0
1
1
Bit 6
0
0
0
1
1
Bit 3
0
0
0
1
1
Bit 2
0
1
1
0
0
Bit 1
1
0
0
0
1
Bit 0
1
0
1
1
0
OTP Threshold (mV)
9.375
12.5
15.875
778.125
781.25
Rev. 0 | Page 64 of 84
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