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L9658 Datasheet PDF

STMicroelectronics L9658

L9658 is intended to deploy up to 8 squibs and to interface up to 4 satellites.
Part No. L9658
Datasheet L9658 Download
Manufacturer
STMicroelectronics
Description Octal squib driver and quad sensor interface ASIC
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L9658 datasheet page 1 preview

FEATURES

● 8 deployment drivers sized to deliver 1.2 A (min) for 2 ms (min) and 1.75 A (min) for 1 ms (min)
● Independently controlled high-side and lowside MOS for diagnosis
● Analog output available for resistance
● Squib short to ground, short to battery and MOS diagnostic available on SPI register
● Capability to deploy the squib with 1.2 A (min) or 1.75 A under 35 V load-dump condition and the low side MOS is shorted to ground
● Capability to deploy the squib with 1.2 A (min) at 6.9 V VRES and 1.75 A at 12 V VRES
● Interface with 4 satellite sensors
● Programmable independent current trip points for each satellite channel
● Support Manchester protocol for satellite sensors
● 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
● 5.5 MHz SPI interface
● Satellite message error detection LQFP64
● Hall effect sensor support on satellite channels 3 and 4.
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