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Small, efficient, flexible: meet the new Body Control Module challenges with the Infineon’s Smart Switches

The Body-Control-Module is getting more and more complex. From pure turning on and off the loads to master the unit for multiple functions like exterior and interior lighting, comfort feature like seat heating. To enable such high integration on one ECU also the power switches must become smaller - and smarter!

A scalable portfolio of protected switches on one hand and a portfolio handling simple parallel inputs with a serial interface like SPI on the other hand will manage the new BCM challenges for switches.

 

Therefore Infineon invented the most scalable PROFET™+2 family and the integrated SPI-Power-Controller SPOC™+2 in their 5th generation.

Small relays and LEDs which are located on the BCM can be driven by the latest multichannel portfolio SPIDER+.

 

The HITFET™+ family (High Integrated Temperature protected MOSFET) provides a compelling feature-set with its diagnosis function, digital status feedback, short circuit robustness, and controlled slew rate adjustment for easily balancing switching losses and EMC compliance.

Beside pure switch solutions Infineon provides a range of highly integrated System Basis Chips (SBC) for more functions and less space. AURIX™ multicore even allows you to integrate two applications in one device: BCM and gateway. Benefits included enhanced communication with lower power consumption and a selection of top security features.

Key product families:

PROFET™+2 key benefits:

  • 50% reduced internal operating current consumption
  • Simplified & cost efficient ground network
  • Outstanding current sense accuracy (kILIS) ≤ 5% @ nominal load current
  • Benchmark cranking voltage capability able to work down to 3.1V
  • Smaller package size for area savings
  • Optimized for design flexibility across the family by pin to pin compatibility
  • Very low output leakage current (≤ 0.5μA up to 85°C)

HITFET™+ key benefits:

  • High design flexibility
  • Driving applications with high switching speed requirement
  • Address applications with high inrush current
  • Improved short circuit robustness
  • Diagnosis independent from input signal (TDSO-8)

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