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L9654 - Quad squib driver and dual sensor interface ASIC

Description

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

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).

📥 Download Datasheet

Datasheet preview – L9654

Datasheet Details

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

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Full PDF Text Transcription

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L9654 Quad squib driver and dual sensor interface ASIC for safety application Datasheet - production data  Support Manchester protocol for satellite sensors  Supports for variable bit rate detection  Independent current limit and fault timer shutdown protection for each satellite output *$3*36 LQFP48  Short to ground and short to battery detection and reporting for each satellite channel  5.5 MHz SPI interface Features  4 deployment drivers sized to deliver 1.2 A (min) for 2 ms (min) and 1.75 A (min) for 1ms (min).
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