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L9679P Datasheet(PDF) 253 Page - STMicroelectronics

Part # L9679P
Description  Automotive advanced airbag for mid/high end applications and cut-off battery IC
PDF  279 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679P Datasheet(HTML) 253 Page - STMicroelectronics

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DS11627 Rev 7
253/279
L9679P
Electrical characteristics
278
9
TFLT_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 59. Squib/pyroswitch Leakage Test (VRCM)
No
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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