Power Switching Reference Design for Set Top Box

(ACTIVE) TIDA-01451

Description & Features

Technical Documents

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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.


  




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  26-V, Bi-Directional, Zero-Drift, High Accuracy, Low-/High-Side, Voltage Out Current Shunt Monitor  Current Sense Amplifiers  Sample & Buy View Design Kits & Evaluation Modules
INA215  26-V, Bi-Directional, Zero-Drift, High Accuracy, Low-/High-Side, Voltage Out Current Shunt Monitor  Current Sense Amplifiers  Sample & Buy View Design Kits & Evaluation Modules
TPS2065D  Single Channel, Current-Limited USB Power Distribution Switch  USB Power and Charging Port Controllers  Sample & Buy View Design Kits & Evaluation Modules
TPS22918  5.5V, 2A, 52mΩ Load Switch with Adjustable Rise Time and Adjustable Quick Output Discharge  Integrated Load Switches  Sample & Buy View Design Kits & Evaluation Modules
TPS22945  5.5V, 0.2A, 500mΩ, 100mA Current Limit Load Switch  Integrated Load Switches  Sample & Buy View Design Kits & Evaluation Modules
TPS22976  5.5V, 6A, 14mΩ, Dual Load Switch with Adj. Rise Time & Optional QOD for Cost-Conscious Applications  Integrated Load Switches  Sample & Buy View Design Kits & Evaluation Modules
TPS2595  12-V eFuse With Overvoltage Protection  Protection, Monitoring and Hot Swap  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

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 910
PDF 3021 07 Apr 2017 10,922
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 617 30 Aug 2017 381
ZIP 1993 30 Aug 2017 82
PDF 889 30 Aug 2017 69
PDF 79 30 Aug 2017 61
PDF 178 30 Aug 2017 211
PDF 395 30 Aug 2017 1,069
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)




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