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L9679P Datasheet(PDF) 249 Page - STMicroelectronics

No. de pieza L9679P
Descripción Electrónicos  Automotive advanced airbag IC for mid/high end applications
PDF  272 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679P Datasheet(HTML) 249 Page - STMicroelectronics

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L9679P
Electrical characteristics
271
9TFLT_LKG
Leakage to BAT deglitch
filter time
-17
20
23
μs
10
ILIM_VRCM_SRC
VRCM current limitation
-
-20
-
-10
mA
11
ILIM_VRCM_SINK
-
10
-
20
mA
12
VSHIFT
External ground or battery
shift
Design Info
-1
-
+1
V
13
RSQ_LOW_TH
Detection threshold for
“resistance too low”
Design Info
200
-
500
14a
IRSQ_LOW_TH
Equivalent to resistance range
-25 °C ≤ Tj ≤ +150 °C
guaranteed by
design/characterization
-12%
6
+12%
mA
14b
-40 °C ≤ Tj ≤ +150 °C
-17%
6
+12%
mA
15
TFLT_RLOW
“Resistance too low”
deglitch filter time
-12
15
18
μs
16
RSQ_HIGH
Detection Threshold for
“resistance too high”
Design Info
2
-
5
kΩ
17a
IRSQ_HIGH
Equivalent to resistance range
-25 °C ≤ Tj ≤ +150 °C
guaranteed by
design/characterization
-17%
700
+17%
μA
17b
-40 °C ≤ Tj ≤ +150 °C
-17%
700
+22%
μA
18
TFLT_RHIGH
“Resistance too high”
deglitch filter time
-12
15
18
μs
19
Tdelay_STG_sele
ction
Time needed to change
the VRCM STG thresholds
(450 μA-to-2 mA or 2 mA-
to-450 μA)
guaranteed by design
-
-
2
μs
Table 58. Squib Leakage Test (VRCM)
No
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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