L9660
L9660 is Quad squib driver ASIC manufactured by STMicroelectronics.
Quad squib driver ASIC for safety application
- production data
'!0'03
LQFP64 (10x10x1.4mm)
Features
- 4 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 when the low side MOS is shorted to ground
- 2 fire enable inputs
- 5.5 MHz SPI interface
- Low voltage internal reset
- 2 k V ESD capability on all pins
- Package: LQFP64
- Technology: ST proprietary BCD5 (0.65µm)
- Ro HS pliant
Description
The L9660 is intended to deploy up to 4 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.
Order code L9660
L9660TR
Table 1. Device summary
Amb. temp range, C
Package
-40 to...