Reverse Power Supply - Eight Inputs One Output Reference Design


Design files


This reference design is a power solution for reverse-powered telecom applications. Up to eight isolated inputs provide one common output; the load is shared equally between all active converters.

  • Load Sharing
  • 8 Inputs, 1 Common Output
Output voltage options PMP10099.1
Vin (Min) (V) 27
Vin (Max) (V) 60
Vout (Nom) (V) 12
Iout (Max) (A) 1.1
Output Power (W) 13.2
Isolated/Non-Isolated Isolated
Input Type DC
Topology Flyback- Non Sync
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

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

TIDU780.PDF (898 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRCW8.PDF (1415 K)

Detailed schematic diagram for design layout and components


Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRCX0.PDF (1193 K)

Detailed overview of design layout for component placement

TIDRCX2.ZIP (1350 K)

Files used for 3D models or 2D drawings of IC components

TIDC910.ZIP (83 K)

Design file that contains information on physical board layer of design PCB

TIDRCX1.PDF (1243 K)

PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

Boost controllers (external switch)

LM50226-60V Wide Vin, current mode boost, SEPIC and Flyback controller

Data sheet: PDF | HTML
SR & load share controllers

UCC29002Advanced 8 pin load share controller, -40°C to 105°C

Data sheet: PDF | HTML
Shunt voltage references

LMV4311.5%, low-voltage (1.24-V) adjustable precision shunt regulator

Data sheet: PDF

Technical documentation

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Type Title Date
Test report PMP10099 Test Results Feb. 12, 2015

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