Acquired Electronics360

Automotive & Transportation

Teardown: Denso - Toyota Airbag SDM

05 November 2016
The following is an overview of a teardown analysis conducted by IHS Technology Teardown Services.

DENSO has been supplying airbag-sensing systems to car makers since 1989. They are designed to detect a collision and control airbags by sending a signal to the airbag ECU. Then it deploys the appropriate airbag or curtain airbag according to the severity and location of the collision.


Summary points: Denso Built SDM (Sensing Diagnostic Module) for 2016 Prius Multiple Sensors not only for Airbags but also Vehicle Dynamics Aluminum Housing with Steel Plate Cover

Target market: Automotive OEMs

Released: N/A

Pricing: N/A

Availability: N/A

Total cost (direct materials and manufacturing): $38.46

Major Components:

· Gyroscope, MEMS, for Yaw Rate Detection, Automotive - MFG: PANASONIC CORP. - MPN: EWTS54XN - (Qty: 1)

· Gyroscope, MEMS, for Rollover Detection, Automotive - MFG: PANASONIC CORP. - MPN: EWTS64ND - (Qty: 1)

· Accelerometer, 2-Axis - MFG: DENSO - (Qty: 1)

· MCU, 32-Bit CISC Core, 80MHz, Automotive - MFG: RENESAS ELECTRONICS CORP. - MPN: R5F61797FPU - (Qty: 1)

· ASIC, Airbag System Basis IC, Automotive - MFG: NXP SEMICONDUCTORS - MPN: SC900734AF - (Qty: 1)

· Enclosure, Main, Top, Die-Cast/Machined Aluminum - (Qty: 1)

· Accelerometer, Z-Axis, ±5g, Automotive - MFG: NXP SEMICONDUCTORS - MPN: MMA1254KEG - (Qty: 1)

· ASIC, Squib Driver, Automotive - MFG: TOSHIBA SEMICONDUCTOR - MPN: TB9374FG - (Qty: 1)

· Accelerometer, 1-Axis - MFG: DENSO - (Qty: 1)

· Electrolytic, 25V, 6800uF, 105C - MFG: NIPPON CHEMI-CON CORP. - (Qty: 2)



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