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L9662 bảng dữ liệu(PDF) 15 Page - STMicroelectronics

tên linh kiện L9662
Giải thích chi tiết về linh kiện  Octal squib driver and quad Manchester/PSI5 encoded sensor
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L9662 bảng dữ liệu(HTML) 15 Page - STMicroelectronics

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L9662
Electrical specifications
79
RSTB
Short to Battery Resistance
Threshold
Vbatt = 6.5V see Figure 9
1.92
-
3.42
kΩ
Vbatt = 16V see Figure 9
8.61
-
13.98
kΩ
Vbatt = 20V see Figure 9
11.42
-
18.42
kΩ
ISTB
Short to battery current
threshold
-
0.9
-
1.40
mA
RSTG
Short to Ground Threshold
-
1.2
-
1.8
kΩ
ISTG
Short to ground current
threshold
-
2
-
3.3
mA
tDIAGTIMEOUT Diagnostic Delay Time
From/CS until Transistor
Test Results are Valid,
Output voltage change 0V to
3.5 V
CSQHx= 0.12 μF
CSQLx= 0.12 μF
-
-
1500
μs
High side safing diagnostics
ISRC_HSS
Diagnostic current into
selected VRESx pin during
test
Normal conditions
710
-
950
μA
IHSS_8
Current during diagnostic
All 8 VRESx pins tied
together
710
-
1020
μA
RHSSNORM_th
Normal resistance range
when running high side
safing diagnostics
All 8 VRESx pins tied
together
1.4
-
2.5
kΩ
VHSSNORM_r
ange
Normal voltage range
between VSDIAG and
VRESx pin) when running
high side safing diagnostics
All 8 VRESx pins tied
together
1.0
-
2.5
V
VHSSSHORT_th
Short voltage threshold
between VSDIAG and
VRESx pin)
All 8 VRESx pins tied
together
0.5
-
1.0
V
VHSSOPEN_th
Open voltage threshold
between VSDIAG and
VRESx pin)
All 8 VRESx pins tied
together
2.5
-
4.0
V
tDIAGTIMEOUT Diagnostic delay time
From/CS ↑ until transistor
test results are valid,
CSQHx= 0.12 μF
CSQLx= 0.12 μF
-
-
500
μs
Voltage measurement diagnostics (VRESx)
IRESx
Max diagnostic current into
VRESx pin
Normal conditions
-
-
50
μA
VVRESXLO_th
Low voltage threshold for
VRESx pin
-
5.0
-
7
V
Table 7. Squib deployment drivers and diagnostics - DC electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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