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L9654 - Quad squib driver and dual sensor interface ASIC

General 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

Key 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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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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).