This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
Dual Output, 2-Phase, Stackable PMBus Synchronous Buck Driverless Controller


Models (1)

Title Category Type Date
TPS40428 PSpice Transient Model PSpice Model ZIP 23 Jul 2014

Design kits & evaluation modules (1)

Name Part# Type
TPS40428 EVM Dual Output with PMBus Interface TPS40428EVM-594 Evaluation Modules & Boards

Reference designs

High Efficiency Dual 30A or Single 60A Digital Point-of-Load Reference Design

The PMP9042 reference design combines digital TPS40428 controller with CSD95378B for a dual 30A or single 60A point-of-load . The design is size-optimized in a tiny 1"x1" area (25.4mm x 25.4mm). The PMP9042 demonstrates a  high efficiency, high density point-of-load with excellent thermal (...)

View the Important Notice for reference designs covering authorized use, intellectual property matters and disclaimers.

Software (1)

Name Part# Type
Digital Power Software FUSION_DIGITAL_POWER_DESIGNER Application Software & Frameworks
 WEBENCH ® Designer TPS40428
  Min   Max Range
Vin -  V 4.50 to 16.00V
Vout1  V 0.60 to 4.50V
Iout1  A ≤ 30.00A
Vin2 -  V 4.50 to 15.00V
Vout2  V 0.60 to 4.50V
Iout2  A ≤ 30.00A
Ambient Temp   °C ≤ 100 °C

  Min   Max Range
Vin -  V 4.50 to 16.00V
Vout  V 0.60 to 4.50V
Iout  A ≤ 60.00A
Ambient Temp   °C ≤ 100 °C

What are WEBENCH ® tools?