L9654 Datasheet - STMicroelectronics

L9654 Quad squib driver and dual sensor interface ASIC

* Squib short to ground, short to battery and MOS diagnostic available on SPI register L9654 is intended to deploy up to 4 squibs and to interface up to 2 satellites. * 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 shorte.

L9654 Features

* 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 lowside MOS for diagnosis

* Analog output available for resistance

* Satellite message error detection

* Low voltage internal reset

* 2

L9654 Datasheet (2.03 MB)