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AN2859 数据表(PDF) 19 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) 19 Page - STMicroelectronics

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DocID15255 Rev 2
19/29
AN2859
AC switch state deduction
29
Appendix A
AC switch state deduction
Table 6. AC switch states when IN1 = IN2 = 0
IN1
IN2
VSTATE value
ACS1 diagnostic
ACS2 diagnostic
00
V0
Shorted circuit
Shorted circuit
00
V1
Shorted circuit
OFF
00
V2
OFF
Shorted circuit
00
V3
OFF
OFF
00
Toggle between
V3 and V2
OFF
Diode mode
00
Toggle between
V3 and V1
Diode mode
OFF
00
Toggle between
V3 and V0
Diode mode
Diode mode
00
Toggle between
V2 and V1
Diode mode
Diode mode
00
Toggle between
V2 and V0
Diode mode
Shorted circuit
00
Toggle between
V1 and V0
Shorted circuit
Diode mode
Table 7. AC switch states when IN1 = 0 and IN2 = 1
IN1
IN2
VSTATE value
ACS1 diagnostic
ACS2 diagnostic
01
V0
Shorted circuit
ON
01
V1
Shorted circuit
OPEN circuit
01
V2
OFF
ON
01
V3
OFF
OPEN circuit
01
Toggle between
V3 and V2
OFF
NA
01
Toggle between
V3 and V1
Diode mode
OPEN circuit
01
Toggle between
V3 and V0
Diode mode
NA
01
Toggle between
V2 and V1
Diode mode
NA
01
Toggle between
V2 and V0
Diode mode
ON
01
Toggle between
V1 and V0
Shorted circuit
NA



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