Reference Design - SEPIC Converter Delivers 3.3V at 3.25A from Low Input Voltage
PMP9512
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

Description & Features

Technical documentation

Support & Training

Order Now


See the Important Notice and Disclaimer covering reference designs and other TI resources.


Description

This coupled-inductor, 3.3V at 3.25A, SEPIC converter delivers high current in a compact area. This circuit is optimized for input voltages within 3.0V - 3.6V. It is also suitable for battery application.

Features
  • SEPIC converter
  • Greater than 10W output
  • Board length is approximately 47 mm
  • Efficiency approaches 86% at 1A
  • Test report available

See the Important Notice and Disclaimer covering reference designs and other TI resources.


  



Schematic/Block Diagram

Quickly understand overall system functionality.

Download Schematic

Test Data

Get results faster with test and simulation data that's been verified.

Download Test Data

Design Files

Download ready-to-use system files to speed your design process. Get Viewer.

Download Design Files


Parametrics
 PMP9512.1
(Output Voltage 1)
Vin (Min) (V)3.33
Vin (Max) (V)3.6
Vout (Nom) (V)3.3
Iout (Max) (A)3.25
Output Power (W)10.725
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologySepic- 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
CSD16323Q3  25-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 5.5 mOhm  MOSFETs  Sample & Buy Not Available
LM3481  2.97V to 48V High-Efficiency Controller for Boost, SEPIC and Flyback  Step-up (boost) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD16323Q3 VSON-CLIP (DQG)| 8 Download Download
LM3481 Download Download

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

Step 1: Download and install the free download.

Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical documentation

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guide (1)
Title Type Size (KB) Date
PDF 1816 14 Apr 2015
Design files (3)
Title Type Size (KB) Date
ZIP 176 14 Apr 2015
PDF 13 14 Apr 2015
PDF 95 14 Apr 2015

Support & training

TI E2E™ forums with technical support from TI engineers

Search our extensive online knowledge base where millions of technical questions and answers are available 24/7.

Search answers from TI experts

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

If you have questions about quality, packaging, or ordering TI products visit our Support page.

Technical articles