150W Boost Converter with LM5121 Reference Design

(ACTIVE) PMP8673

Description & Features

Technical Documents

Support & Training

Order Now


View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

Key Document

Description

The PMP8673 reference design is a synchronous boost converter optimized for high efficiency while maintaining a small form factor. This reference design has a voltage input range of 34.5-37.5V (35V nominal) and provides an output voltage of 55.5V. The synchronous boost topology enables efficiencies greater than 97% in the 2-3A load range. The switching frequency is set for 400Khz allowing the use of smaller external components and a total board area of less than 60 square centimeters.

Features
  • Efficiency >97% in a load range of 2A..3A
  • Ultra small with high power density
  • Adjustable output voltage from 38V to 55.5V
  • 150W output power
  • 200W hold up for 10ms
  • Output ripple < 0.5%
  • 90% transient response < 1%
  • Load regulation < 0.05%
  • With disconnection switch

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  




Parametrics
 PMP8673.1
(Output Voltage 1)
Vin (Min) (V)34.5
Vin (Max) (V)37.5
Vout (Nom) (V)55.5
Iout (Max) (A)3
Output Power (W)166.5
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBoost- Synchronous

TI Devices (2)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18532Q5B  60-V, N-Channel NexFET™ Power MOSFET  Power MOSFET  Sample & Buy View Design Kits & Evaluation Modules
LM5121  3-65V Wide Vin, Current Mode Synchronous Boost with Disconnection Switch Control  Step-Up (Boost)  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 455 09 Oct 2015 67
Design files (5)
Title Abstract Type Size (KB) Date Views
ZIP 41 09 Oct 2015 20
ZIP 381 09 Oct 2015 27
PDF 677 09 Oct 2015 25
PDF 81 09 Oct 2015 17
PDF 407 09 Oct 2015 85


Support & Training

TI E2E Community

As a member of  myTI you can join the TI E2E™ Community  where you can ask questions, share ideas and collaborate with fellow engineers and TI experts

Content is provided "AS IS" by the respective TI and Community contributors and does not constitute TI specifications. See  Terms of use.

Engage in the Community

Blogs

Wikis

Visit the TI Wiki