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L9662

STMicroelectronics

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...


STMicroelectronics

L9662

File Download Download L9662 Datasheet


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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