參數(shù)資料
型號： MCZ33797EK
廠商： 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述： Four Channel Squib Driver IC
中文描述： 四通道爆管驅(qū)動IC
文件頁數(shù)： 14/34頁
文件大小： 290K
代理商： MCZ33797EK
Analog Integrated Circuit Device Data
Freescale Semiconductor
14
33797
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
FET DRIVERS
Turn-On Delay Time
CS
↑
to 80% I
HS
t
ON
–
–
72
μs
Turn-Off Delay Time
CS
↑
to 20% I
HS
t
OFF
–
–
10
μs
Diagnostic Timing Resolution
5.0 V
≤
V
VDIAG_X
≤
35 V, I
HS
≥
I
MEAS
, 0 s
≤
t
MEASURE_TIME
≤
6.375 ms,
C
SQUIB_HI
= 0.12 μF, C
SQUIB_LO
= 0.12 μF
t
RESOLUTION
21.25
25
28.75
μs
DIAGNOSTIC DELAY TIME
Squib Resistance Diagnostic Delay Time
(20)
From CSB
↑
Until Transistor Test Results Are Valid, C
SQUIB_HI
= 0.12 μF,
C
SQUIB_LO
= 0.12 μF
t
DIAG1
–
–
300
μ
s
Squib Open Short Diagnostic Delay Time
(20)
From CSB
↑
Until Squib Open Short Diagnostic Results Are Valid,
C
SQUIB_HI
= 0.12 μF, C
SQUIB_LO
= 0.12 μF
t
DIAG2
–
–
3000
μ
s
VDIAG
Supply Diagnostic Delay Time From CSB
↑
until VDIAG Diagnostic
Results Are Valid
(20)
t
DIAG4
–
–
3000
μ
s
V
FIRE
Supply Diagnostic Delay Time
(20)
15 V
≤
V
VDIAG_X
≤
35 V, From CSB
↑
Until High-Side Safing Sensor
Diagnostic Results Are Valid, C
VDIAG
< 0.015 μF
t
DIAG6
–
–
1000
μ
s
High-Side Safing Sensor Diagnostic Delay Time
(20)
15 V
≤
V
VDIAG_X
≤
35 V, From CSB
↑
Until High-Side Safing Sensor
Diagnostic Results Are Valid, C
VDIAG
< 0.015 μF
t
DIAG7
–
–
1000
μ
s
FET Drivers High- and Low-Side Driver Transistor Diagnostic Delay Time
(20)
15 V
≤
V
VDIAG_X
≤
35 V, From CSB
↑
Until Transistor Test Results Are
Valid, C
SQUIB_HI
= 0.12 μF, C
SQUIB_LO
= 0.12 μF, C
VDIAG
< 0.015 μF
t
DIAG9
–
–
1000
μ
s
VFIRE_RTN Diagnostic Delay Time
(20)
From CSB
↑
Until VFIRE_RTN Diagnostic Results Are Valid
t
DIAG10
–
–
300
μ
s
Squib Continuity Diagnostic Delay Time
(20)
From CSB
↑
Until V
THSQBCON
Diagnostic Results Are Valid
t
DIAG11
–
–
3000
μ
s
Squib Short Between Firing Loops Diagnostic Delay Time From CSB
↑
Until
V
THSSQB
Diagnostic Results Are Valid
(20)
t
DIAG12
–
–
3000
μ
s
FEN INPUT PIN
Minimum Pulse Width
FEN
FILTER
12
14
16
μ
s
Notes
20
Guaranteed by Characterization
Table 5. Dynamic Electrical Characteristics (continued)
Characteristics noted under conditions 4.75 V
≤
V
DD
≤
5.25 V; 7.0 V
≤
V
VFIRE_XX
≤
35 V; V
VDIAG_X
= V
VFIRE_XX
; FEN 1 = FEN 2
= V
DD
; R
R_LIMIT_X
= 10 k
±1%, R
R_DIAG
= 10 k
±1%, -40
°
C
≤
T
A
≤
+85
°
C, GND = 0 unless otherwise noted. Typical values
noted reflect the approximate parameter means at T
A
= 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
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