TIDA-01168

Bidirectional DC/DC Converter Reference Design for 12-V/48-V Automotive Systems

TIDA-01168

Design files

Overview

The TIDA-01168 reference design is a four-phase, bidirectional DC-DC converter development platform for 12-V/48-V automotive systems. The system uses two LM5170-Q1 current controllers and a TMS320F28027F microcontroller (MCU) for the power stage control. LM5170-Q1 subsystems use average current feedback for current control whereas the C2000™ microcontroller provides voltage feedback.  Such a control scheme eliminates phase current balancing typical for multiphase converters. A system based on LM5170-Q1 allows a high level of integration, which reduces printed-circuit board (PCB) area, simplifies design, and speeds up development.

Features
  • 12V input voltage range:  6V to 18V
  • 48V input voltage range:  24V to 54V
  • Reverse polarity, overcurrent overvoltage and overtemperature protection
  • Multiphase scalable option
  • Highly integrated solution using automotive qualified components
Output voltage options TIDA-01168.1 TIDA-01168.2
Vin (Min) (V) 24 6
Vin (Max) (V) 54 18
Vout (Nom) (V) 12 48
Iout (Max) (A) 166 41
Output Power (W) 1992 1968
Isolated/Non-Isolated Non-Isolated Non-Isolated
Input Type DC DC
Topology Buck- Synchronous Boost- Synchronous

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUCS2B.PDF (13507 K)

Reference design overview and verified performance test data

TIDRRL3.PDF (1090 K)

Detailed schematic diagram for design layout and components

TIDRRL4.PDF (51 K)

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

TIDRRL5.PDF (787 K)

Detailed overview of design layout for component placement

TIDRRL7.ZIP (4016 K)

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

TIDRRL8.ZIP (25 K)

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

TIDRRL9.ZIP (34 K)

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

TIDCDL2.ZIP (642 K)

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

TIDRRL6.PDF (4091 K)

PCB layer plot file used for generating PCB design layout

TIDRRM0.PDF (42 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Boost converters (integrated switch)

MC33063A-Q11.5-A peak boost/buck/inverting switching regulator, AEC-Q100 qualified

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck converters (integrated switch)

LM5010A-Q1Automotive Grade 0 and 1, 6-75V Wide Vin, 1A Constant On-Time Non-Synchronous Buck Regulator

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck converters (integrated switch)

TPS560200-Q14.5V to 17V Input, 500mA Synchronous Step-Down Converter with Advanced Eco-Mode™

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck-boost & inverting controllers (external switch)

LM5170-Q1Multiphase bidirectional current controller, AEC-Q100 qualified

Data sheet document-pdfAcrobat PDF open-in-new HTML
C2000 real-time microcontrollers

TMS320F28027FC2000™ 32-bit MCU with 60 MHz, 64 KB flash, InstaSPIN-FOC

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28027F-Q1Automotive C2000™ 32-bit MCU with 60 MHz, 64 KB flash, InstaSPIN-FOC

Data sheet document-pdfAcrobat PDF
Digital temperature sensors

TMP102-Q1Automotive ±2°C 1.4V to 3.6V digital temperature sensor with I2C/SMBus in 2.56mm2 package ;

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

LP5912-Q1Automotive 500-mA, low-noise, low-IQ, low-dropout voltage regulator with reverse current protection

Data sheet document-pdfAcrobat PDF open-in-new HTML
Noninverting buffers & drivers

SN74LVC2G17-Q1Automotive 2-ch, 1.65-V to 5.5-V buffers with Schmitt-Trigger inputs

Data sheet document-pdfAcrobat PDF
Precision op amps (Vos<1mV)

TLC2272A-Q1Automotive Catalog Advanced LinCMOS™ Rail-to-Rail Operational Amplifiers

Data sheet document-pdfAcrobat PDF open-in-new HTML
Shunt voltage references

TL431-Q1Automotive adjustable precision shunt regulator (pin layout: KRA)

Data sheet document-pdfAcrobat PDF open-in-new HTML
Supervisor & reset ICs

TPS3306-Q1Automotive dual-processor supervisors with power-fail

Data sheet document-pdfAcrobat PDF
eFuses & hot swap controllers

LM5060-Q1Automotive 5.5-V to 65-V high side protection controller

Data sheet document-pdfAcrobat PDF open-in-new HTML

Start development

Software

Code example or demo

TIDA-01168_LM5170-Q1_Example_Firmware – TIDCDL3.ZIP (209 K)

Technical documentation

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Type Title Date
* Design guide Bidirectional DC-DC Converter Reference Design for 12-V/48-V Automotive Systems (Rev. B) Mar. 12, 2018

Related design resources

Hardware development

EVALUATION BOARD
LM5170EVM-BIDIR LM5170 48V-12V Bidirectional Converter Evaluation Module

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