L9660 Datasheet, PDF (15/49 Pages) STMicroelectronics – Quad squib driver ASIC for safety application

L9660
Electrical specifications
Table 7. Squib deployment drivers and diagnostics - DC electrical characteristics (continued)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
t_DEPLOY-2ms
Deployment time
t_DEPLOY-1ms
t_DEPLOY-
0.65ms
VRES = 7Vto 37@ I_{HS_12A}
VRES = 7Vto 25@ I_{HS_15A}
For I_{HS_12A} and I_{HS_15A}
2.15
-
Firing current measured
from CS_D rising edge
2.5
ms
V_RES = 7Vto 37V
For I_{HS_175A} Firing current
1.15
-
1.40
ms
measured from CS_D rising
edge
V_RES = 7Vto 37V
For I_{HS_175A} Firing current
0.65
-
0.85
ms
measured from CS_D rising
edge
Figure 3. MOS settling time and turn-on time 2
)_0%!+
)_{(3?XX!-AXIMUM}
)_{(3?XX!-INIMUM}
#3?$2ISING%DGE
T_SETTLE
'!0'03
DocID024714 Rev 2
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