Octal squib driver and quad Manchester/PSI5 encoded sensor interface ASIC
L9662
Octal squib driver and quad Manchester/PSI5 encoded sensor interface ASIC for safety application
Datasheet - prod...
Description
L9662
Octal squib driver and quad Manchester/PSI5 encoded sensor interface ASIC for safety application
Datasheet - production data
'!0'03
LQFP64 (10x10x1.4mm)
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
Interface with 4 satellite sensors
Programmable independent current trip points for each satellite channel
Support Manchester 1 or 2 protocol for satellite sensors
Support PSI5 (Parity) protocol for satellite sensors (reference PSI5 technical specification V 1.2 /14.06.07)
Support for Sync pulse and minibus for satellites
Supports for variable bit rate detection
Independent current limit and fault timer shutdown protection for each satellite output
Short to ground and short to battery detection and reporting for each satellite channel
2 independent SPI interfaces
5.5 MHz SPI interface
Satellite message error detection
Hall effect sensor support on satel...
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