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  • The L9659 is intended to deploy up to 8 squibs. Squib drivers are sized to deploy 1.2 A minimum for 2 ms, 1.75 A minimum for 1 ms and 1.75 A minimum for 0.65 ms during load dump along with 1.5 A minimum for 2 ms for VRES voltages less than 25 V.

    Full diagnostic capabilities of the squib interface are provided.

    Key Features

    • 8 deployment drivers with SPI selectable firing current and times
    • Capability to deploy the squib with 1.2 A (min)/2 ms, 1.75 A (min)/1.0 ms and 1.75 A (min)/0.65 ms between VRES of 7 V to 37 V
    • Capability to deploy the squib with 1.5 A (min)/2 ms between VRES of 7 V to 25 V
    • Firing capability to deploy all channels simultaneously
    • Independently controlled high-side and low-side MOS for diagnosis
    • Analog output available for resistance measurement
    • Squib short to ground, short to battery and MOS diagnostic available on SPI register
    • Capability to deploy the squib the low side MOS is shorted to ground
    • 4 fire enable inputs
    • 5.5 MHz SPI interface
    • Low voltage internal reset
    • 2 kV ESD capability on all pins
    • Package: LQFP64
    • Technology: ST proprietary BCD5 (0.65 μm)
    • RoHS compliant

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Technical Documentation

    • Description Version Size Action
      DS8586
      Octal squib driver ASIC for safety application
      2.0
      571.92 KB
      PDF
      DS8586

      Octal squib driver ASIC for safety application

    • 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**
L9659
Active
LQFP 64 10x10x1.4 Automotive Ecopack2
L9659TR
Active
LQFP 64 10x10x1.4 Automotive Ecopack2

L9659

Package:

LQFP 64 10x10x1.4

Material Declaration**:

Marketing Status

Active

Package

LQFP 64 10x10x1.4

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9659TR

Package:

LQFP 64 10x10x1.4

Material Declaration**:

Marketing Status

Active

Package

LQFP 64 10x10x1.4

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
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
L9659 No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tray LQFP 64 10x10x1.4 -40 95 MALAYSIA 5.3 / 1k
L9659TR No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tape And Reel LQFP 64 10x10x1.4 -40 95 MALAYSIA 5.3 / 1k

L9659

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

5.3 / 1k

ECCN (EU)

NEC

Packing Type

Tray

Package

LQFP 64 10x10x1.4

Operating Temperature (°C)

(min)

-40

(max)

95

Budgetary Price (US$)* / Qty

5.3 / 1k

Country of Origin

MALAYSIA

L9659TR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

5.3 / 1k

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

LQFP 64 10x10x1.4

Operating Temperature (°C)

(min)

-40

(max)

95

Budgetary Price (US$)* / Qty

5.3 / 1k

Country of Origin

MALAYSIA

(*) 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