• Part: L9660
  • Description: Quad squib driver ASIC
  • Manufacturer: STMicroelectronics
  • Size: 620.02 KB
Download L9660 Datasheet PDF
STMicroelectronics
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...