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  • The L9679E is an airbag extension chip. This device is family-compatible with the L9679 and L9680 devices. The device includes an octal driver for squib deployments and a quad channel interface for PSI-5 sensors. Deployment profiles can be set according to user specifications via SPI configuration, as well as the protocol to be used to communicate with the satellite sensors. Independent configurable arming inputs are provided for a programmable mapping of the loops to be deployed.

    Key Features

    • AEC-Q100 qualified
    • Squib deployment drivers
      • 8-channel HSD/LSD
      • 25 V maximum deployment voltage
      • Various deployment profiles
      • Current monitoring Rmeasure, STB, STG and leakage diagnostics
      • High- and low-side driver FET tests
    • Four-channel remote sensor interface
      • PSI-5 satellite sensors
      • Configurable asynchronous/synchronous protocols
    • Configurable arming input signals
    • Temperature sensor
    • 32-bit SPI communications
      • 2 SPI buses (1 global, 1 for satellite communication)
      • Parity bit
    • Integrated ADC measurements (1 ADC converter)
    • Operating temperature: -40 °C to 105 °C
    • Package - 48 pin

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Related Applications

Chassis and Safety

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS12485
      Automotive airbag system extension IC
      4.0
      1.36 MB
      PDF
      DS12485

      Automotive airbag system extension IC

    • Description Version Size Action
      AN4437
      L9678 user configurable airbag
      3.0
      4.03 MB
      PDF
      AN4437

      L9678 user configurable airbag

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L9679E
Active
TQFP 48 7x7x1.0 Automotive Ecopack2
L9679ETR
Active
TQFP 48 7x7x1.0 Automotive Ecopack2

L9679E

Package:

TQFP 48 7x7x1.0

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TQFP 48 7x7x1.0

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9679ETR

Package:

TQFP 48 7x7x1.0

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TQFP 48 7x7x1.0

Grade

Automotive

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
Package
Packing Type
Temperature (°C) ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
min
max
L9679ETR No availability of distributors reported, please contact our sales office
Active
TQFP 48 7x7x1.0 Tape And Reel - - EAR99 PHILIPPINES
L9679E No availability of distributors reported, please contact our sales office
Active
TQFP 48 7x7x1.0 Tray - - EAR99 PHILIPPINES

L9679ETR

Marketing Status

Active

Unit Price (US$)

-

Budgetary Price (US$)*/Qty

Package

TQFP 48 7x7x1.0

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

-

(max)

-

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

L9679E

Marketing Status

Active

Unit Price (US$)

-

Budgetary Price (US$)*/Qty

Package

TQFP 48 7x7x1.0

Packing Type

Tray

Operating Temperature (°C)

(min)

-

(max)

-

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors