L9660

Quad squib driver ASIC for safety application

Parameters

Operating Voltage Min Volt	7.0
Operating Voltage Max Volt	37.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tray
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	LQFP 64 10x10x1.4 mm

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...
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Key features

Key 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 low-side 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 kV ESD capability on all pins Package: LQFP64 Technology: ST proprietary BCD5 (0.65μm) RoHS compliant

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Parameters

Operating Voltage Min Volt	7.0
Operating Voltage Max Volt	37.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tray
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	LQFP 64 10x10x1.4 mm

Description

Key features

Key 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 low-side 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 kV ESD capability on all pins Package: LQFP64 Technology: ST proprietary BCD5 (0.65μm) RoHS compliant