PMP9760

Low Power Simple and Efficient Voltage Inverter for Optical Networking Modules Reference Design

PMP9760

Design files

Overview

In this reference design, the TPS62125 provides a simple and efficient voltage inverting circuit to be used for low power negative voltage rails, such as found in optical modules.  This configuration has been tested with a full test report and operation explanation.

Features
  • Only 6 external components required for a complete solution
  • IC available in a 2 x 2 mm SON package for smallest size
  • User selectable output discharge function
  • 85% efficiency over a wide load range
  • Up to 120 mA output current at 5V input
  • User programmable turn on and off thresholds
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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.

TIDR986.PDF (23 K)

Detailed schematic diagram for design layout and components

TIDR987.PDF (20 K)

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

TIDC550.ZIP (274 K)

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

Products

Includes TI products in the design and potential alternatives.

Buck converters (integrated switch)

TPS621253V-17V, 300mA Buck Converter With Adjustable Enable Threshold And Hysteresis

Data sheet: PDF | HTML

Technical documentation

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View all 2
Type Title Date
Application note Using the TPS62125 in an Inverting Buck-Boost Topology (Rev. C) PDF | HTML Nov. 30, 2022
Technical article How to modify a step-down converter to the inverting buck-boost topology PDF | HTML May 17, 2018

Support & training

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