Automotive Electronics Semiconductors and sensors Product ...

bosch.semiconductors.de

Automotive Electronics Semiconductors and sensors Product ...

6 | Components for airbag systems

safe

Airbag systems:

Firing loop drivers

Control and diagnosis functions for 2, 4 or 8 firing loops

Application Product V DD typ.

[V]

V VER typ.

[V]

Firing Loop IC CG983 3.3 + 4.9 25 or 33

Firing Loop IC CG984 3.3 + 4.9 25 or 33

Firing Loop IC CG985 3.3 + 4.9 25 or 33

Firing Loop IC CG987 3.3 + 4.9 25 or 33

Firing Loop IC CG988 3.3 + 4.9 25 or 33

Firing Loop IC CG989 3.3 + 4.9 25 or 33

Interfaces Firing loops Features Diagnostics T j min

[°C]

SPI,

16 bit (3.3 V

or 4.9 V) 4 x 1.75A

SPI,

16 bit (3.3 V

or 4.9 V)

SPI,

16 bit (3.3 V

or 4.9 V)

4 x 2.0A

dual firing mode

4 x 1.2A or 1.75A

(programmable)

SPI,

16 bit (3.3 V

or 4.9 V) 8 x 2.0A

SPI,

16 bit (3.3 V

or 4.9 V)

SPI,

16 bit (3.3 V

or 4.9 V)

8 x 2.0A

dual firing mode

8 x 1.2A or 1.75A

(programmable)

• Power stage test

• Firing loop monitoring

• Firing enable pin

• Power stage test

• Firing loop monitoring

• Firing enable pin

• Power stage test

• Firing loop monitoring

• Firing enable pin

• Power stage test

• Firing loop monitoring

• Firing enable pin

• Power stage test

• Firing loop monitoring

• Firing enable pin

• Power stage test

• Firing loop monitoring

• Firing enable pin

T j max

[°C]

Package

• Short circuit

• Leakage

• Integrated voltage monitoring

• 4 bit firing current counter -40 150 LQFP44

• Short circuit

• Leakage

• Integrated voltage monitoring

• 4 bit firing current counter -40 150 LQFP44

• Short circuit

• Leakage

• Integrated voltage monitoring

• 4 bit firing current counter -40 150 LQFP44

• Short circuit

• Leakage

• Integrated voltage monitoring

• 4 bit firing current counter -40 150 LQFP44

• Short circuit

• Leakage

• Integrated voltage monitoring

• 4 bit firing current counter -40 150 LQFP44

• Short circuit

• Leakage

• Integrated voltage monitoring

• 4 bit firing current counter -40 150 LQFP44

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