L9654 - Quad squib driver and dual sensor interface ASIC

Product Overview

STMicroelectronics

Datasheet Details

Part number	L9654
Manufacturer	STMicroelectronics
File Size	2.03 MB
Description	Quad squib driver and dual sensor interface ASIC
Datasheet	L9654 Datasheet
Additional preview pages of the L9654 datasheet.

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 |