• Part: L9654
  • Description: Quad squib driver and dual sensor interface ASIC
  • Manufacturer: STMicroelectronics
  • Size: 2.03 MB
L9654 Datasheet (PDF) Download
STMicroelectronics
L9654

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.

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)