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TIDA-00476

Highly Efficient, Versatile Bi-Directional Power Converter for Energy Storage and DC Home Solutions

Design files

TIDA-00476

Design files

Overview

TIDA-00476 is comprised of a single DC-DC power stage, which can work as a synchronous buck converter or a synchronous boost converter, enabling bidirectional power flow between DC power source and energy storage system. Operating in synchronous buck mode, the system works as a MPPT controlled DC-DC converter which can charge a battery from a solar panel or DC Source. The same power stage can be operated as a synchronous boost to drive a DC load with configurable constant current and constant voltage limits (CC/CV), from an energy storage system such as lead acid battery. The power stage is digitally controlled by a MSP430 microcontroller, which implements the closed loop for controlling the power stage with required algorithms for MPPT, battery charge profiling and DC-Power conversion for load.

Features
  • Single bidirectional power stage working as both synchronous buck battery charger and synchronous boost CC/CV converter.
  • High efficiency of 95% as charger to store energy and 90% as CC/CV converter to power loads.
  • Perturb & Observe (P&O) based MPPT tracking algorithm.
  • Robust Power stage with built in protection for Overcurrent, Overvoltage and Reverse Polarity Connection.
  • Fully tested and validated as a MPPT based lead acid battery charger and CC/CV converter with LED & resistive loads.
  • Simple use PCB form factor of 85 x 50 mm. provides a ready platform for single stage bidirectional power conversion needs of energy storage, DC Home and low power UPS systems.
Output voltage options TIDA-00476.1 TIDA-00476.2
Vin (Min) (V) 14 10.5
Vin (Max) (V) 44 14.4
Vout (Nom) (V) 14.4 45
Iout (Max) (A) 5 .7
Output Power (W) 72 31.5
Isolated/Non-Isolated Non-Isolated Non-Isolated
Input Type DC DC
Topology Boost- Synchronous Buck- Synchronous
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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.

download Design guide — TIDA-00476
TIDUAN2.PDF (1762 K)

Reference design overview and verified performance test data

download Schematic — TIDA-00476
TIDRH19.PDF (737 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDA-00476
TIDRH20.PDF (237 K)

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

download Assembly drawing — TIDA-00476
TIDRH21.PDF (331 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — TIDA-00476
TIDRH23.ZIP (2346 K)

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

download Gerber file — TIDA-00476
TIDCAX8.ZIP (926 K)

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

download PCB layout — TIDA-00476
TIDRH22.PDF (3190 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

UCC28880 — High voltage switcher for Non-isolated AC/DC Conversion

Data sheet: PDF | HTML
General-purpose op amps

OPA170 — Single, 36-V, 1.2-MHz, low-power operational amplifier

Data sheet: PDF | HTML
Half-bridge drivers

LM5109A — 1-A, 100-V half bridge gate driver with 8-V UVLO

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

TLV704 — 150-mA 24-V ultra-low-IQ low-dropout (LDO) voltage regulator

Data sheet: PDF | HTML
MOSFETs

CSD88539ND — 60-V, N channel NexFET™ power MOSFET, dual SO-8, 28 mOhm

Data sheet: PDF | HTML
MSP430 microcontrollers

MSP430F5132 — 25 MHz MCU with 8KB Flash, 1KB SRAM, 10-bit ADC, comparator, DMA, 16-bit High Resolution timer

Data sheet: PDF | HTML

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Software

Technical documentation

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Type Title Date
* Design guide Highly-Efficient Versatile Bidirectional Power Converter Design Guide Sep. 18, 2015

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