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NCV7520MWTXG
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
31
Figure 25. SCB Latch−off & Recovery − Read Status & Request ON Pulse (Timer Running)
Figure 26. SCB Latch−off & Recovery − Read Status & Request OFF Pulse (Timer Running)
SO
GA
Tx
FL
TB
INx
0
1
0
1
0
1
0
1
0
1
CSB
0
1
0
1
0
1
DRNx
FL
TREF
0
VBA
T
DIAG
ST
A
TUS
BLANK
TIMER
FIL
TER
TIMER
100
RSTB
0
1
INTERNAL SIGNALS
001
101
001
100
LA
TCHED
SCB F
AULT
NO F
AULT
t
FF(ON)
NO F
AULT
000
VOL
NO SCB F
AULT
11
0
SCB Latch & Clear 3
ECHO
RE−ST
ARTE
D
t
BL(ON)
VOL
VSG
t
BL(OFF)
111
DIAG NOT COMPLETE
t
BL(ON)
t
BL(OFF)
Read
UNLA
TCHED
ON Pulse Req
SO
GA
Tx
FL
TB
INx
0
1
0
1
0
1
0
1
0
1
CSB
0
1
0
1
0
1
DRNx
FL
TREF
0
VBA
T
DIAG
ST
A
TUS
BLANK
TIMER
FIL
TER
TIMER
100
RSTB
0
1
INTERNAL SIGNALS
001
11
0
001
100
SCB F
AULT
NO F
AULT
t
FF(ON)
NO F
AULT
111
VOL
NO SCG/OLF F
AULT
t
BL(ON)
SCB Latch & Clear 4
VOL
VSG
FL
TREF
ECHO
101
LA
TCHED
000
DIAG NOT COMPLETE
t
BL(OFF)
UNLA
TCHED
t
BL(OFF)
Read
RE−ST
ARTE
D
OFF Pulse Req
NCV7520
www
.onsemi.com
32
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
FL
TREF
0
VBA
T
DIAG
ST
A
TUS
BLANK
/
REFRESH
TIMER
FIL
TER
TIMER
100
RSTB
0
1
IN
TERN
AL SI
G
NALS
001
001
001
DIAG NOT COMPLETE
SCB F
AUL
T
t
FF
(
ON)
NO F
AUL
T
111
VOL
SCB F
AUL
T
ON
/OFF Pulse Req
Ignored During Retry
Don’t Care
Retry 1
t
BL
(
ON)
t
FR
ECHO
t
FR
VOL
VSG
t
FF
(
ON)
Figure 27. Auto−retry Timer Started, INx W
ent Low During Second Retry − Retry Timer Runs to Completion
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
DIAG
ST
A
TUS
BLANK/
REFRESH
TIMER
FIL
TER
TIMER
100
RSTB
0
1
IN
TER
N
AL SI
G
N
AL
S
001
001
001
DIAG NOT COMPLETE
SCB F
AUL
T
t
FF
(ON
)
NO F
AUL
T
111
VOL
SCB F
AUL
T
ON/OFF Pulse Req
Ignored During Retry
Don’t Care
Retry 2
t
BL
(ON
)
t
FR
ECHO
t
FR
VOL
VSG
001
NOT COMPLETE
111
11
0
NO SCG/OLF
Figure 28. Auto−retry Timer Started, INx W
ent Low During Second Retry − Retry Timer Runs to Completion
Status Read Clears SCB, Allows OFF−state Status Update
NCV7520
www
.onsemi.com
33
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
G
N
AL
S
111
100
ECHO
NO SCB F
AUL
T
101
VOL
NO F
AUL
T
t
BL
(OFF
)
VOL
VSG
t
BL
(ON
)
ON or OFF Pulse Req Ignored
During t
BL(ON
|
OFF)
Don’t Care
ON Pulse Req
ECHO
FL
TREF
DIAG NOT COMPLETE
11
0
OFF BLANK ST
ARTED T
O ALLOW
DRAIN TO SETTLE
Pulse 1
Figure 29. Normal ON Pulse Request & Second Request Ignored − INx Remains in Low State at End of Pulse
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
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
)
OFF Pulse Req
ECHO
t
BL
(ON
)
1
10
100
NO F
AUL
T
111
Status Req
100
101
NO SCB F
AUL
T
BLANKING NOT RE
−
STAR
TED
ON BLANK ST
ARTED T
O
ALLOW DRAIN TO SETTLE
Pulse
2
ON or OFF
Pulse Req
IGNORED
Figure 30. Normal ON Pulse Request & Second Request Ignored − INx State Change During First Pulse
Execution, Normal OFF Pulse Request
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
NCV7520MWTXG
Mfr. #:
Buy NCV7520MWTXG
Manufacturer:
ON Semiconductor
Description:
IC MOSFET PRE-DVR HEX LO 32QFN
Lifecycle:
New from this manufacturer.
Delivery:
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