33797_11 Datasheet, PDF (18/35 Pages) Freescale Semiconductor, Inc – Four Channel Squib Driver IC

FUNCTIONAL DESCRIPTION
FUNCTIONAL PIN DESCRIPTION
VBOOST
CS1
SPI Interface
VFIRE
+
SENSE_1A
-
SQUIB IC #1
Squib 1
$C2 Command checks this
Figure 7. Standard Squib Firing
VBOOST
VFIRE
CS1
SPI Interface
CS2
+
SENSE_1A
-
SQUIB ASIC #1
VFIRE
Squib 1
Squib 2
+
SENSE_1A
-
SQUIB ASIC #2
$C2 Command checks this
Figure 8. Cross-coupled Squib Firing
33797
18
Analog Integrated Circuit Device Data
Freescale Semiconductor