L9654TR ST Chassis & Body System - Nevsemi Electronics

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L9654 is intended to deploy up to 4 squibs and to interface up to 2 satellites.

Squib drivers are sized to deploy 1.2 A (min.) for 2 ms (min.) during load dump and 1.75 A (min.) for 1 ms (min.) during load dump.

Diagnostic of squib driver and squib resistance measurement is controlled by micro controllers.

Satellite interfaces support Manchester decoder with variable bit rates.

4 deployment drivers sized to deliver 1.2 A (min) for 2 ms (min) and 1.75 A (min) for 1ms (min).
Independently controlled high-side and low-side 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 VRESand 1.75 A at 12 V VRES.
Interface with 2 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
Low voltage internal reset
2 kV ESD capability on all pins
Package: 48 lead LQFP
Technology: ST Proprietary BCD5s (0.57 m)

Part #	Mfg.	Description	Price
L9654TR	STMicroelectronics	ASIC 0.57um Automotive 48-Pin LQFP T/R	2400---$6.1570 2500---$6.0950 3000---$6.0340 4000---$5.9740 5000---$5.9140 10000---$5.8550 24000---$5.7970 25000---$5.7390 50000---$5.6810 100000---$5.6240
L9654TR	STMicroelectronics	IC QUAD SQUIB DRIVER 48LQFP	2400---$4.8510
L9654TR	STMicroelectronics	Interface - Specialized Quad Squib Driver Dual Sensor ASIC Int	2400---$5.1800
L9654TR	STMicroelectronics		2400---$4.0500
L9654TR	STMicroelectronics	Asic \|Stmicroelectronics L9654TR	2400---$4.9500
L9654TR	STMicroelectronics	PTS SMARTPOWER - Tape and Reel (Alt: L9654TR)	2400---$4.3659 4800---$4.2777 9600---$4.1895 14400---$4.1013 19200---$4.0131 24000---$3.9249 240000---$3.8367

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