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L9680 Datasheet(PDF) 257 Page - STMicroelectronics

Part # L9680
Description  Automotive advanced airbag IC for mid/high end applications
PDF  277 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9680 Datasheet(HTML) 257 Page - STMicroelectronics

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DocID029257 Rev 1
257/277
L9680
Electrical characteristics
276
16.17.4
Deployment timer test
All electrical characteristics are valid for the following conditions unless otherwise noted:
-40 °C
 Ta  +95 °C, VINGOOD0  VIN  35 V.
16.18
Remote sensor interface
All electrical characteristics are valid for the following conditions unless otherwise noted:
40 °C
 Ta  +95 °C, VINGOOD0  VIN  35 V, VSATBUCK(min)  VSATBUCK,
VSYNCBOOST(min)  VSYNCBOOST
16.18.1
PSI-5 interface
8TFLT_LKGB_FT
Deglitch filter time
during FET test on
IHS_FET_TH /
ILS_FET_TH current
thresholds
-
0.8
1
1.2
μs
9ILIM_HS_FET
HS FET current in HS
driver diagnostics
Not tested, see item # 1 in errata
sheet section
40
50
60
mA
10
SGxyOPEN
Squib open ground
detection
GNDSUBx as ground reference
300
450
600
mV
11
TFLT_SGOPEN
Squib open ground
detection filter time
-46
50
54
μs
Table 59. High/low side FET test (continued)
No
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Table 60. Deployment timer test - AC specifications
No
Symbol
Parameter
Conditions
Min
Typ
Max Unit
1
tPULSE_PERIOD
Deployment timer pulse
test period time
SYSDIAGREQ(DSTEST)=PULSE
78
9
ms
2IPULSE_HIGH
Deployment timer pulse
test high time
-
DCR_x(
Deploy_
Time)*
TDEP_TIM
E_RES
-
μs
Table 61. PSI-5 satellite transceiver - DC specifications
No
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
1
IRSU
Interface quiescent current -
-35
-
-4
mA
2VRSU_MAX
Max. output voltage
excluding sync. pulse
(internal regulation,
VSATBUCK = VSYNCBOOST)
--
11
V
3VRSU_SYNC_MAX
Max. output voltage
including sync. pulse
(internal regulation,
VSYNCBOOST = VIN)
-
-
16.5
V



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