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NCV7520FPR2G
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P38
NCV7520
www
.onsemi.com
34
SO
GA
Tx
FL
TB
INx
0
1
0
1
0
1
0
1
0
1
CSB
0
1
0
1
0
1
DR
Nx
VSG
0
VBA
T
DIAG
ST
A
TUS
BLANK
TIMER
FIL
TER
TIMER
RSTB
0
1
IN
TERN
AL SI
G
NALS
111
101
ECHO
NO SCB F
AUL
T
VOL
t
BL
(
ON)
ON Pulse Req
ECHO
FL
TREF
DIAG NOT COMPLETE
ECHO
ON Pulse Req
t
BL
(ON
)
t
BL
(OFF
)
ON or OFF
Pulse Req
IGNORED
ECHO
t
BL
(ON
)
1
10
100
NO F
AUL
T
111
Status Req
100
101
NO SCB F
AUL
T
BLANKING NOT
RE−ST
ARTED
Pulse 2a
ON or OFF
Pulse Req
IGNORED
OFF BLANK ST
ARTED TO
ALLOW DRAIN TO SETTLE
Figure 31. Normal ON Pulse Request & Second Request Ignored, Normal ON Pulse Request,
INx State Change During Normal Pulse Executions
SO
GA
Tx
FL
TB
INx
0
1
0
1
0
1
0
1
0
1
CSB
0
1
0
1
0
1
D
RNx
VSG
0
VBA
T
DIAG
ST
A
TUS
BLANK
TIMER
FIL
TER
TIMER
RSTB
0
1
INTERNAL SI
GNALS
111
101
ECHO
NO SCB F
AUL
T
VOL
t
BL
(ON
)
Don’t Care
ON Pulse Req
ECHO
FL
TREF
DIAG NOT COMPLETE
ECHO
ON Pulse Req
t
BL(ON)
t
BL(OFF
)
OFF Pulse Req
ECHO
1
10
100
NO F
AUL
T
111
Status Req
100
11
0
NO SCG/OLF F
AUL
T
Pulse 3
ON or OFF
Pulse Req
IGNORED
ON BLANK NOT ST
ARTED
(
OFF STA
TE
)
OFF BLANK NOT ST
ARTED
(ON STA
TE)
Figure 32. Normal ON Pulse Request & Second Request Ignored, Normal OFF Pulse Request,
INx State Change During Normal Pulse Executions and Goes Low During OFF Pulse
NCV7520
www
.onsemi.com
35
SO
GA
Tx
FL
TB
INx
0
1
0
1
0
1
0
1
0
1
CSB
0
1
0
1
0
1
D
RNx
VSG
0
VBA
T
VOL
DIAG
ST
A
TUS
BLANK
TIMER
FIL
TER
TIMER
RSTB
0
1
INTERNAL SI
G
N
AL
S
SCB
DIAG NOT COMPLETE
FL
TREF
PREVIOUS DA
T
A
t
BL
(ON
)
t
FF
(ON
)
t
FF(ON)
t<
t
FF(
ON)
SCB
t
BL
(OFF
)
VSG
FL
TREF
ON BLANK & FIL
TER & SCB
t
BL
(OFF
)
VSG
111
111
NO SCG
/OLF F
AUL
T
Figure 33. Filter Timer Started During Blank T
imer Because of Intermittent SCB, Re−started Just Before End of
Blank Timer − SCB Latch−off T
ime Extended
SO
GA
Tx
FL
TB
INx
0
1
0
1
0
1
0
1
0
1
CSB
0
1
0
1
0
1
D
RNx
FL
TREF
0
VBA
T
VOL
DIAG
ST
A
TUS
BLANK
TIMER
FIL
TER
TIMER
RSTB
0
1
INTERNAL SI
G
NALS
OLF
NO SCB F
AUL
T
PREVIOUS DA
T
A
t
BL(OFF
)
OLF
t
BL
(ON
)
OFF BLANK & FIL
TER & FL
T
VSG
t
FF
(OFF
)
t
FF
(OFF
)
t
FF(OFF
)
SCG
OLF
OLF
FL
TREF
111
Figure 34. Filter Timer Started When Falling Through OLF Threshold During Blank T
imer
, Re−started When
Falling Through SCG Threshold, Re−started When Falling Through OLF Threshold − OFF−State Diagnostic
Status Acquisition Time Extended by Filter T
imer
NCV7520
www
.onsemi.com
36
SO
FL
TB
INx
0
1
0
1
0
1
0
1
CSB
0
1
0
1
0
1
VL
O
AD
0
VBA
T
DIAG
ST
A
TUS
BLANK
TIMER
FIL
TER
TIMER
VLDUV
0
1
I
NTERNAL
SIGNAL
S
PREVIOUS DA
T
A
V
ALID ON
ST
ATE DA
T
A
ST
ATUS
VLD
UV
t
BL
(
ON)
Read Status
t
BL
(OFF
)
DR
Nx
0
VBA
T
DIAGNOSTIC NOT COMPLETE
VLDUV 1
111
V
ALID ON
ST
ATE DA
T
A
ST
ATUS
Read Status
Figure 35. OFF−State Diagnostic Status is Suppressed While in VLOAD Undervoltage −
ON−State Diagnostics Remain Functional
SO
FL
TB
INx
0
1
0
1
0
1
0
1
CSB
0
1
0
1
0
1
VL
O
AD
0
VBA
T
DIAG
ST
A
TUS
BLANK
TIMER
FIL
TER
TIMER
VLDUV
0
1
I
NTERNAL
SIGNAL
S
PREVIOUS DA
T
A
ST
ATUS
VLD
UV
Read Status
t
BL
(
OFF)
DR
Nx
0
VBA
T
DIAGNOSTIC NOT COMPLETE
t
BL
(
OFF)
V
ALID OFF ST
ATE DIAGNOSTIC
VLDUV 2
Figure 36. OFF−State Diagnostic Starts When Recovery From Undervoltage Occurs
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P38
NCV7520FPR2G
Mfr. #:
Buy NCV7520FPR2G
Manufacturer:
ON Semiconductor
Description:
Gate Drivers AUTOMOTIVE DRIVER
Lifecycle:
New from this manufacturer.
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