Digital power isolated controllers

Optimize system performance with TI's digital power controllers, which support a wide range of power topologies

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Our easy-to-use digital power controllers can help you optimize your power design's performance and cost by offering a best-in-class loop latency of 450 ns, improved accuracy, improved efficiency, and advanced feature implementations for modern power-supply applications.

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Digital power controllers

We've optimized our digital power controllers for existing and new industrial and enterprise markets, including telecommunications and server power, offboard chargers, and solar power.

SR MOSFET gate drivers

Synchronous rectifier (SR) MOSFETs are high-speed gate drivers featuring high drive capability and body conduction sensing to improve system performance when used with digital power controllers. 

Featured digital power isolated controllers

Why choose our digital power controllers?

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Comprehensive analog integration

Achieve faster operating frequencies and smaller components with dedicated power peripherals, feedback, and high-resolution PWM control to achieve faster control loops and greater power density

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Flexible power topologies

Get precise waveform control regardless of topology with high-resolution phase, period and duty-cycle controls. Our controllers are easily programmable for PFC, AC/DC and isolated DC/DC power supplies

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Ease of use

Accelerate your development with our Fusion Digital Power™ GUI and fusion express API, and leverage Code Composer Studio™ software for proprietary code development, code debugging and flashing

Technical resources

Analog Design Journal
Analog Design Journal
Digital current balancing for an interleaved boost PFC
This article discusses three digital-control methods for balancing inductor currents.
document-pdfAcrobat PDF
Video series
Video series
Introduction to digital power controllers
This series is an introduction to our digital controllers and how they can be used in an analog and digital domain.
More literature
More literature
Design and Optimization of a High-Performance LLC Converter
This article discuss on how to optimize the design of a resonant DC/DC converter using two inductors (LL) and a capacitor (C) known as an LLC converter.
document-pdfAcrobat PDF

Discover featured applications

Power delivery
Optimize power solutions for telecommunication rectifiers and server power applications with flexible digital power solutions
Solar
Accelerate your development to sustainable environments with our digital control solutions
e-Bike
Drive acceleration to vehicle electrification with our digital control solutions, optimized for various power topologies

Optimize power solutions for telecommunication rectifiers and server power applications with flexible digital power solutions

Our digital power isolated controllers help you lower operating costs, increase efficiency and reliability, and reduce development time while improving system integration and providing advanced features and protection.

Benefits:

  • 31.25 MHz, 32-bit ARM7 and 16-MHz error analog-to-digital converter (EADC) with 8x sampling for complex control algorithms and system level functions.
  • 12-bit 1-MSPS ADC and 10-bit effective DAC for precision signal generation and measurement.
  • Adaptive dead-time control, live firmware updates and several communication interface such as UART, SPI, PMBus and I2C.

Featured resources

REFERENCE DESIGNS
  • TIDA-00707 – 1kW, Compact, 97.5% Efficiency, Digital PFC Reference Design for Telecom and Server PSU with E-Meter
  • TIDA-00705 – 480-W, 97% η efficiency, Ultra-Compact (480W/in3), Bi-Directional DC-DC Reference Design
PRODUCTS
  • UCD3138A – UCD3138A Highly Integrated Digital Controller for Isolated Power
SOFTWARE DEVELOPMENT

Accelerate your development to sustainable environments with our digital control solutions

Digital controllers provide precision control of power delivery to help you achieve increased loop bandwidth and power density. The Arm® Cortex® processor in our controllers enables advanced features such as maximum power point tracking and power factor correction (PFC), and the integrated protection features ensure system safety and reliability.

Benefits:

  • Solutions to various PFC configurations and topologies to improve system power quality.
  • Support for multiple communication interfaces, including UART, SPI and I2C.
  • Ability to simplify power design applications with the Fusion Digital Power™ GUI. 

Featured resources

PRODUCTS
  • UCD3138A – UCD3138A Highly Integrated Digital Controller for Isolated Power
HARDWARE DEVELOPMENT
SOFTWARE DEVELOPMENT

Drive acceleration to vehicle electrification with our digital control solutions, optimized for various power topologies

Our digital power isolated controllers help you create smarter and safer electric vehicle charging solutions for e-bike applications. Our controllers improve output power control and accuracy; facilitate higher power densities to support faster, dynamic responses; and offer efficient power factor correction and DC/DC conversion based on charging requirements.

Benefits:

  • Reference designs for various power levels.
  • Dedicated power design tools such as the Fusion Digital Power™ GUI, along with Code Composer Studio™ software.
  • Application and software development kits to help speed up design cycles. 

Featured resources

PRODUCTS
  • UCD3138A64 – Highly-Integrated Digital Controller for Isolated Power
  • UCD3138128A – Highly-Integrated Digital Controller For Isolated Power
HARDWARE DEVELOPMENT
SOFTWARE DEVELOPMENT
  • CCSTUDIO – Code Composer Studio™ integrated development environment (IDE)

Design & development resources

Application software & framework
Fusion Digital Power Studio

Fusion Digital PowerTM Studio incorporates software tools for Texas Instruments' UCD3138 Integrated Digital Controller family.   Fusion Digital Power helps power supply engineers to gain benefits of digital power without learning complex programming skills. Fusion Digital Power is an intuitive (...)

Evaluation board
UCD3138 Hard Switching Full Bridge Converter Evaluation Module

The Texas Instruments UCD3138HSFBEVM-029 evaluation module (EVM) is a digitally controlled hard switching full bridge converter based on the UCD3138RHA programmable digital power controller. The EVM is a standalone Symmetrical Hard Switching Full-Bridge (HSFB) DC-DC power converter designed for (...)

Reference design
1/8 Brick Isolated DC/DC Telecom Power Module Digital Control Reference Design

PMP8877 is a full-function 1/8th brick isolated DC/DC telecom power module based on the UCD3138 digital power controller. The reference design features secondary side control and hard switching full bridge power topology to deliver 12V/180W of output power operating across a wide range 36V-72V (...)

Reference designs related to Digital power isolated controllers

Use our reference design selection tool to find designs that best match your application and parameters.