Power Switching Reference Design for Set Top Box

(ACTIVE) TIDA-01451

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

This reference design’s functionality emulates the power distribution of Set Top Boxes. By using integrated load switches to control power rails, each rail can be turned on or off depending on the needs and wants of the user. Turning off rails that are not being used reduces power loss and facilitates meeting energy compliance standards, such as Energy Star. An eFuse placed at the input can manage Hot Plug transients and protect downstream DC/DC converters from an input voltage that is too high or too low, reducing end equipment return rate.

Features
  • A fully featured power tree for common loads in STB allows for appropriate selection of load switches and DC/DCs in system design
  • Current limiting on the HDMI port provides necessary protection for the 5V rail
  • Switching unused loads off results in higher system efficiency and a lower standby current for meeting requirements such as EnergyStar
  • Load switches offer a smaller solution size and lower component count when compared to a discrete MOSFET solution

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


  



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


Bill of Materials (BOM)

Find the complete list of components in this reference design.

Download BOM

TI Devices (9)

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
INA212  26V, Bi-Directional, Zero-Drift, Low-/High-Side, Voltage Output Current Sense Amplifier  Current sense amplifiers  Sample & Buy View Design Kits & Evaluation Modules
INA215  26V, Bi-Directional, Zero-Drift, Low-/High-Side, Voltage Output Current Sense Amplifier  Current sense amplifiers  Sample & Buy View Design Kits & Evaluation Modules
TPS2065D  Single Channel, Current-Limited USB Power Distribution Switch  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS22918  5.5V, 2A, 52mΩ Load Switch with Adjustable Rise Time and Adjustable Quick Output Discharge  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS22945  5.5V, 0.2A, 500mΩ, 100mA Current Limit Load Switch  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS22976  5.5V, 6A, 14mΩ, Dual Load Switch with Adj. Rise Time & Optional QOD  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS2595  12-V eFuse With Overvoltage Protection  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS562201  4.5V to 17V Input, 2A Output, Synchronous Step-Down Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS564201  4.5V to 17V Input, 4A Output, Synchronous Step-Down Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
INA212 Download Download
Download
INA215 Download Download
Download
TPS2065D Download Download
TPS22918 Download
TPS22945 Download Download
TPS22976 Download -
TPS2595 Download
TPS562201 Download -
TPS564201 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 Documents

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

User guides (2)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 14772 18 Aug 2017 25
PDF 2901 07 Apr 2017 6,422
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 617 30 Aug 2017 12
ZIP 1993 30 Aug 2017 14
PDF 889 30 Aug 2017 11
PDF 79 30 Aug 2017 60
PDF 178 30 Aug 2017 64
PDF 395 30 Aug 2017 119
Related Tools & Software

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
MSP430F5529 USB LaunchPad Evaluation Kit  MSP-EXP430F5529LP  Evaluation Modules & Boards 

Software (1)



Support & Training

Try our support forums.
Search expert answers for this part Ask a new question

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

Blogs