33797 Datasheet, PDF (18/34 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 8. Standard Squib Firing
VBOOST
CS1
SPI Interface
CS2
VFIRE
+
SENSE_1A
-
SQUIB ASIC #1
VFIRE
+
SENSE_1A
-
SQUIB ASIC #2
Squib 1
Squib 2
$C2 Command checks this
Figure 9. Cross-Coupled Squib Firing
33797
18
Analog Integrated Circuit Device Data
Freescale Semiconductor