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See Technical Specifications

L9658

Octal squib driver and quad sensor interfaceASIC for safety application

Manufacturer:

STMicroelectronics, Inc
Mfr.Part #:

L9658
Datasheet:

L9658 Datasheet (PDF)
Programmable:

Not Verified
Type:

Octal Squib Driver and Quad Sensor Interface ASIC
Mounting Type:

Surface Mount
Qualification:

AEC-Q100
EDA/CAD Models:

Request Free CAD Models for L9658

Email: [email protected]

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Tel: +852 95804164

L9658 General Description

L9658 is intended to deploy up to 8 squibs and to interface up to 4 satellites. 2 satellite interfaces can be used to interface Hall sensors.Squib drivers are sized to deploy 1.2 A minimum for 2 ms minimum during load dump and 1.75 A minimum for 1ms minimum during load dump.Diagnostic of squib driver and squib resistance measurement is controlled by micro controller.Satellite interfaces support Manchester decoder with variable bit rate.

Key Features

8 deployment drivers sized to deliver 1.2 A (min) for 2 ms (min) and 1.75 A (min) for 1 ms (min)
Independently controlled high-side and low-side MOS for diagnosis
Analog output available for resistance
Squib short to ground, short to battery and MOS diagnostic available on SPI register
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 4 satellite sensors
Programmable independent current trip points for each satellite channel
Support Manchester protocol for satellite sensors
Supports for variable bit rate detection
Independent current limit and fault timer shutdown protection for each satellite output
Short to ground and short to battery detection and reporting for each satellite channel
5.5 MHz SPI interface
Satellite message error detection
Hall effect sensor support on satellite channels 3 and 4.
Low voltage internal reset
2 kV ESD capability on all pins
Package: 64 leads LQFP
Technology: ST proprietary BCD5s (0.57 μm)

Specifications

Category	Integrated Circuits (ICs)Specialized ICs	Series	-
Programmable	Not Verified	Type	Octal Squib Driver and Quad Sensor Interface ASIC
Applications	-	Mounting Type	Surface Mount
Base Product Number	L9658	Product Category	Interface - Specialized
Qualification	AEC-Q100	Product Type	Interface - Specialized
Factory Pack Quantity	960	Subcategory	Interface ICs