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AN2859 数据表(PDF) 7 Page - STMicroelectronics

部件名 AN2859
功能描述  Multiplexed diagnostics of AC switches using two STCC08
PDF  29 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN2859 数据表(HTML) 7 Page - STMicroelectronics

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AN2859
Multiplexed diagnostics
29
Figure 9. Case 7: VSTATE toggles between V1 and V2 at each AC line cycle
(except at each zero crossing of the AC line)
Figure 10. Case 8: VSTATE toggles between V0 and V3 at each AC line cycle
(except at each zero crossing of the AC line)
VCC
V2
V1
V0
ILoad_1
ILoad_2
VCC
R1
R2
R3
R4
VSTATE
VAVF2
VAVF1
AVF
AVF
AC
AC
V
/COM
CC
RAC
V
/COM
CC
ACS2
ACS1
Load1
Line
Load2
Line
ILoad_2
ILoad_1
RShunt
RAC
RShunt
VAC
VAC
VSTATE
STCC082
STCC081
V3
IN2
IN1
G
G
VAC
VAC
ACS1 and ACS2 are failed in diode mode not on the same AC line polarities
V2
V1
V0
ILoad_1
ILoad_2
VCC
VCC
R1
R2
R3
R4
VSTATE
VAVF2
VAVF1
AVF
AVF
AC
AC
V
/COM
CC
RAC
V
/COM
CC
ACS2
ACS1
Load1
Line
Load2
Line
ILoad_2
ILoad_1
RShunt
RAC
RShunt
VAC
VAC
VSTATE
STCC082
STCC081
V3
IN2
IN1
G
G
VAC
VAC
ACS1 and ACS2 are failed in diode mode on the same AC line polarities



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