Bidirectional converter reference design for automotive systems

28th June 2018
Posted By : Anna Flockett
Bidirectional converter reference design for automotive systems

The TIDA-01168 reference design is a four-phase, bidirectional DC-DC converter development platform for 12-V/48-V automotive systems. The system uses two LM5170-Q1 current controllers and a TMS320F28027F microcontroller (MCU) for the power stage control. LM5170-Q1 subsystems use average current feedback for current control whereas the C2000 microcontroller provides voltage feedback.

Such a control scheme eliminates phase current balancing typical for multiphase converters. A system based on LM5170-Q1 allows a high level of integration, which reduces printed-circuit board (PCB) area, simplifies design, and speeds up development.

Features include:

  • 12V input voltage range: 6-18V
  • 48V input voltage range: 24-54V
  • Reverse polarity, overcurrent overvoltage and overtemperature protection
  • Multiphase scalable option
  • Highly integrated solution using automotive qualified components.

You can view the datasheet here.


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