L9654 - Quad squib driver and dual sensor interface ASIC

STMicroelectronics

L9654 Datasheet Preview — Preview of L9654 PDF

Datasheet Details

Part number	L9654
Manufacturer	STMicroelectronics ↗
File Size	2.03 MB
Description	Quad squib driver and dual sensor interface ASIC
Datasheet	L9654-STMicroelectronics.pdf

L9654 Product details

Description

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 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 2 satellite sensors Programmable independent current trip points fo

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 kV ESD capability on all pins.
Package: 48 lead LQFP.
Technology: ST Proprietary BCD5s (0.57 μm).

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Published: Feb 18, 2023 |