L9662
L9662 is Octal squib driver and quad Manchester/PSI5 encoded sensor interface ASIC manufactured by STMicroelectronics.
Octal squib driver and quad Manchester/PSI5 encoded sensor interface ASIC for safety application
- 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 satellite channels 3 and 4.
- Low voltage internal reset
- 2 k V ESD capability on all pins
- Package: LQFP64
- Technology: ST Proprietary...
