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L9680 Datasheet(PDF) 269 Page - STMicroelectronics

Part # L9680
Description  Automotive advanced airbag for mid/high end applications and cut-off battery IC
PDF  286 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9680 Datasheet(HTML) 269 Page - STMicroelectronics

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DS11615 Rev 7
269/286
L9680
Electrical characteristics
285
12
VRSU_STB
Output Short to Battery
Threshold
10
-
100
mV
13
ISTBTH
Static reverse current into
SATBUCK or
SYNCBOOST pin
(V_supply)
VRSUx > V_supply + VRSUxSTB
0.0
-
10
mA
14
VOH_WS
WSx Output Voltage
ILOAD = -1mA
VCC-
0.5
-
VCC
V
15
VOL_WS
ILOAD = 1mA
-
-
0.4
V
16
ILKG_WS
WSx Output Leakage
Tri-state leakage
-10
-
10
μA
Table 64. WSS sensor - DC specifications (continued)
No
Symbol
Parameter
Conditions
Min
Typ
Max Unit
Table 65. WSS sensor - AC specifications
No
Symbol
Parameter
Conditions
Min
Typ
Max Unit
1
TFLT_WS
WS Deglitch filter time
Configurable by SPI (4bits)
8
-
15.6
μs
2
-
Latency time
between receiving sensor data @
RSUx pin and reaching threshold
high level of WSx pin (trigger point
80% of RSUx modulated current)
-
-
2 +
TFLT_
WS
μs
3
-
Jitter on Latency time
Design Info
-
-
125
ns
4
TFLT_OCTH_WS
S
Over Current Detection
Deglitch filter time
-
500
-
600
μs
5
TFLT_OPEN_RS
U
Open Detection Deglitch
Filter Time
-
10
-
15
μs
6
TFLT_LKG_RSU
Leakage Deglitch Filter
Time
-
10
-
15
μs
7
TSTANDSTILL_T
H_L
Pulse duration to assert
standstill bit thresholds
-
1.13
-
-
ms
8
TSTANDSTILL_T
H_H
-
-
2.55
ms



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