参数资料
型号: ADM1041AARQZ
厂商: Analog Devices Inc
文件页数: 46/56页
文件大小: 0K
描述: IC SECONDARY SIDE CTRLR 24QSOP
产品变化通告: Product Discontinuance 27/Oct/2011
标准包装: 56
应用: 次级侧控制器
电源电压: 4.5 V ~ 5.5 V
电流 - 电源: 6mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
供应商设备封装: 24-QSOP
包装: 管件
配用: ADM1041-EVAL-ND - BOARD EVALUATION ADM1041
ADM1041A
Table 32. Register 17h, Current-Sense Option 2. Power-On Default from EEPROM Register 8117h During Power-Up
Bit No.
7
Name
Current Sense Mode
R/W
R/W
Description
0 = Current sense with external resistor.
1 = Current transformer.
6
Chopper Enable
R/W
When chopper = 1, current-sense amplifier is configured as a chopper amplifier.
Otherwise, current-sense amplifier is continuous time amplifier.
5
CT Range
R/W
Gain Range
0 = 4.5 0.45 V–0.68 V
1 = 2.57 0.79 V–1.20 V
4
Ground Offset
R/W
0: ground offset = 100 mV; I SHARE error amp, offset = 50 mV.
1: ground offset = 0; I SHARE error amp offset = 0.
3
2–0
Reserved
Diff Sense Trim
R/W
R/W
Don’t Care.
Internal Sense Amp Offset Trim Range for Differential Current Sense
b2 b1 b0 Range
0 0 0 ?8 mV
0 0 1 ?15 mV
0 1 0 ?30 mV
1 0 0 +8 mV
1 0 1 +15 mV
1 1 0 +30 mV
Gain
?1
?2
?4
+1
+2
+4
Table 33. Register 18h, UV Clamp Trim. Power-On Default from EEPROM Register 8118h During Power-Up
Bit No.
7–0
Name
False UV Clamp
R/W
R/W
Description
This register contains the false UV clamp settings. This can be programmed from 1.3 V to 2.1 V
when the nominal voltage is 2 V. Each LSB increases the UV Clamp setting by 3.1 mV.
Table 34. Register 19h, Load Voltage Trim. Power-On Default from EEPROM Register 8119h During Power-Up
Bit No.
7–0
Name
Load Voltage Trim
R/W
R/W
Description
This register contains the load voltage trim settings and is normally written to during the user
to set the output voltage.
Table 35. Register 1Ah, Sel CBD/SMBAlert1. Power-On Default From EEPROM Register 811Ah During Power-Up
Bit No.
Name
R/W
Description
This register allows the user to set the CBD/Alert pin when certain flag conditions occur. These
bits are set up in an OR function so that any one flag can set the CBD/Alert pin. This register is
used with Register 1Bh.
7
6
5
4
3
2
1
0
selcbd1 <7>
selcbd1 <6>
selcbd1 <5>
selcbd1 <4>
selcbd1 <3>
selcbd1 <2>
selcbd1 <1>
Selcbd1 <0>
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Overvoltage Fault
uvfault
OCP Timeout (ridethrough timed out, ocpf flag)
acsnsb (inverted)
ocpf
otp (MON5 OV)
orfetokb (inverted)
Share_OKb (inverted)
Rev. 0 | Page 46 of 56
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