TIDA-00653

Non-Isolated Bi-Directional Converter Reference Design for Battery Charging Applications

TIDA-00653

Design files

Overview

TIDA-00653 is a non-isolated 48 to 12-V bi-directional converter reference design for 48V battery applications enabled by the UCD3138 digital power controller. The design has the flexibility to work in either a ZVS transition-mode topology to optimize light-load efficiency, or a hard-switching topology for a simple system design. The bi-directional converter features auto-phase shedding, offset for light-load, and adaptive dead-time optimization for compounding efficiency gains greater than 96%. Due to the significant efficiency improvements, heat loss is reduced and no air or liquid cooling are needed automotive applications. Additionally, the use of the UCD3138 high-control frequency controller and hardware-based state machine enable a small form factor and frees the system CPU for other functions such as battery management.

Features
  • ZVS Transition Mode for light load efficiency
  • Near zero latency battery backup ( < 9 uS) to avoid power disturbances in your applications
  • 96% efficiency over wide operating conditions for industry leading battery up time
  • Reduced EMI filter volume for a compact design
??image.gallery.download_en_US?? View video with transcript Video

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.

TIDUBM6.PDF (3694 K)

Reference design overview and verified performance test data

TIDRL78.PDF (888 K)

Detailed schematic diagram for design layout and components

TIDRL79.PDF (86 K)

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

TIDRVV8.ZIP (25007 K)

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

TIDCC18.ZIP (5339 K)

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

Products

Includes TI products in the design and potential alternatives.

Digital power isolated controllers

UCD3138Highly Integrated Digital Controller for Isolated Power with 3 Feedback Loops and 8 DPWM Outputs

Data sheet: PDF | HTML
Digital power isolated controllers

UCD3138064Highly-Integrated Digital Controller for Isolated Power with 64kB Memory

Data sheet: PDF | HTML
Digital power isolated controllers

UCD3138064AHighly Integrated Digital Controller for Isolated Power

Data sheet: PDF | HTML
Digital power isolated controllers

UCD3138128Highly-Integrated Digital Controller for Isolated Power

Data sheet: PDF | HTML
Digital power isolated controllers

UCD3138128AHighly-Integrated Digital Controller For Isolated Power

Data sheet: PDF | HTML
Digital power isolated controllers

UCD3138AUCD3138A Highly Integrated Digital Controller for Isolated Power

Data sheet: PDF | HTML
Digital power isolated controllers

UCD3138A64Highly-Integrated Digital Controller for Isolated Power

Data sheet: PDF | HTML
AND gates

SN74AHC1G081-ch, 2-input 2-V to 5.5-V high-speed (9 ns) AND gate

Data sheet: PDF | HTML
CAN transceivers

SN65HVD2333.3 V CAN Transceiver with Standby Mode, Loopback

Data sheet: PDF | HTML
Comparators

TLV32025.5-V, high-speed, dual push-pull comparator

Data sheet: PDF | HTML
Half-bridge drivers

UCC27201A3-A, 120-V half bridge gate driver with 8-V UVLO and negative voltage handling

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TLV1117800-mA, 15-V, linear voltage regulator

Data sheet: PDF | HTML
N-channel MOSFETs

CSD17570Q5B30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 0.92 mOhm

Data sheet: PDF | HTML
Noninverting buffers & drivers

SN74LVC2G342-ch, 1.65-V to 5.5-V buffers

Data sheet: PDF | HTML
Precision op amps (Vos<1mV)

OPA2211A1.1nV/rtHz Noise, Low Power, Precision Operational Amplifier

Data sheet: PDF | HTML

Start development

Software

Firmware

UCD3138FW-BIDI Bi-Directional Firmware

UCD3138 non isolated bi-directional switching converter quickly gets a designer through evaluation to production in power supply designs based on a Wide Vin non isolated bi-directional topology by providing all-inclusive firmware with ZVS Transition mode support.

lock = Requires export approval (1 minute)
Supported products & hardware

Supported products & hardware

Products
Digital power isolated controllers
UCD3138 Highly Integrated Digital Controller for Isolated Power with 3 Feedback Loops and 8 DPWM Outputs UCD3138064 Highly-Integrated Digital Controller for Isolated Power with 64kB Memory UCD3138064A Highly Integrated Digital Controller for Isolated Power UCD3138128 Highly-Integrated Digital Controller for Isolated Power UCD3138A UCD3138A Highly Integrated Digital Controller for Isolated Power UCD3138A64 Highly-Integrated Digital Controller for Isolated Power
Software
Application software & framework
FUSION-DIGITAL-POWER-STUDIO Fusion Digital Power Studio
IDE, configuration, compiler or debugger
CCSTUDIO Code Composer Studio™ integrated development environment (IDE)

UCD3138FW-BIDI Bi-Directional Firmware

close
Latest version
Version: 01.00.00.0C
Release date: 27 Jul 2023
lock = Requires export approval (1 minute)
Products
Digital power isolated controllers
UCD3138 Highly Integrated Digital Controller for Isolated Power with 3 Feedback Loops and 8 DPWM Outputs UCD3138064 Highly-Integrated Digital Controller for Isolated Power with 64kB Memory UCD3138064A Highly Integrated Digital Controller for Isolated Power UCD3138128 Highly-Integrated Digital Controller for Isolated Power UCD3138A UCD3138A Highly Integrated Digital Controller for Isolated Power UCD3138A64 Highly-Integrated Digital Controller for Isolated Power
Software
Application software & framework
FUSION-DIGITAL-POWER-STUDIO Fusion Digital Power Studio
IDE, configuration, compiler or debugger
CCSTUDIO Code Composer Studio™ integrated development environment (IDE)
Firmware

UCD3138FW-BIDI — Bi-Directional Firmware

UCD3138 non isolated bi-directional switching converter quickly gets a designer through evaluation to production in power supply designs based on a Wide Vin non isolated bi-directional topology by providing all-inclusive firmware with ZVS Transition mode support.

Technical documentation

star
= Top documentation selected by TI
No results found. Please clear your search and try again.
View all 1
Type Title Date
* Design guide Bidirection DC-DC Converter Design Guide Mar. 18, 2016

Related design resources

Software development

FIRMWARE
UCD3138FW-BIDI Non-isolated bi-directional converter with UCD3138 Integrated Digital Controllers

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​

Videos