DatasheetsPDF.com

L9659

STMicroelectronics
Part Number L9659
Manufacturer STMicroelectronics
Description Octal squib driver ASIC
Published Feb 18, 2023
Detailed Description L9659 Octal squib driver ASIC for safety application Features ■ 8 deployment drivers with SPI selectable firing current...
Datasheet PDF File L9659 PDF File

L9659
L9659

Overview
L9659 Octal squib driver ASIC for safety application Features ■ 8 deployment drivers with SPI selectable firing current and times ■ Capability to deploy the squib with 1.
2 A (min)/2 ms, 1.
75 A (min)/1.
0 ms and 1.
75 A (min)/0.
65 ms between VRES of 7 V to 37 V ■ Capability to deploy the squib with 1.
5 A (min)/2 ms between VRES of 7 V to 25 V ■ Firing capability to deploy all channels simultaneously ■ Independently controlled high-side and lowside MOS for diagnosis ■ Analog output available for resistance measurement ■ Squib short to ground, short to battery and MOS diagnostic available on SPI register ■ Capability to deploy the squib the low side MOS is shorted to ground ■ 4 fire enable inputs ■ 5.
5 MHz SPI interface ■ Low voltage internal reset ■ 2 kV ESD capability on all pins ■ Package: LQFP64 Table 1.
Device summary Order code Amb.
temp range, C L9659 -40 to +95 L9659TR -40 to +95 '!0'03 LQFP64 (10x10x1.
4mm) ■ Technology: ST proprietary BCD5 (0.
65 µm) ■ RoHS compliant Description The L9659 is intended to deploy up to 8 squibs.
Squib drivers are sized to deploy 1.
2 A minimum for 2 ms, 1.
75 A minimum for 1 ms and 1.
75 A minimum for 0.
65 ms during load dump along with 1.
5 A minimum for 2 ms for VRES voltages less than 25 V.
Full diagnostic capabilities of the squib interface are provided.
Package LQFP64 LQFP64 Packing Tray Tape and reel September 2013 Doc ID 022048 Rev 2 1/51 www.
st.
com 1 Contents Contents L9659 1 Block diagram and pin description .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5 1.
1 Block diagram .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5 1.
2 Pin description .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5 1.
3 Application schematic .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
8 2 Electrical specifications .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)