L9659 Datasheet, PDF (7/51 Pages) STMicroelectronics – Octal squib driver ASIC for safety application

L9659
Block diagram and pin description
Table 2. Pin description (continued)
Pin #
Pin name
Description
43
NC
No connect
44
NC
No connect
45
NC
No connect
46
IREF External current reference resistor
47
AGND Ground reference for AOUT
48
AOUT Analog output for loop diagnostics
49
GND3 Power ground for loop channel 3
50
SQL3 Low side driver output for channel 3
51
SQH3 High side driver output for channel 3
52
VRES3 Reserve voltage for loop channel 3
53
VRES2 Reserve voltage for loop channel 2
54
SQH2 High side driver output for channel 2
55
SQL2 Low side driver output for channel 2
56
GND2 Power ground for loop channel 2
57
GND1 Power ground for loop channel 1
58
SQL1 Low side driver output for channel 1
59
SQH1 High side driver output for channel 1
60
VRES1 Reserve voltage for loop channel 1
61
VRES0 Reserve voltage for loop channel 0
62
SQH0 High side driver output for channel 0
63
SQL0 Low side driver output for channel 0
64
GND0 Power ground for loop channel 0
I/O type
-
-
-
Output
-
Output
-
Output
Output
Input
Input
Output
Output
-
-
Output
Output
Input
Input
Output
Output
-
Reset state
-
-
-
-
-
Hi-Z
-
Pulldown
Hi-Z
-
-
Hi-Z
Pulldown
-
-
Pulldown
Hi-Z
-
-
Hi-Z
Pulldown
-
Doc ID 022048 Rev 2
7/51