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

(ACTIVE) TIDA-00476

Description & Features

Technical Documents

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Key Document

Description

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.

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  



Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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Parametrics
 TIDA-00476.1
(Output Voltage 1)
TIDA-00476.2
(Output Voltage 2)
Vin (Min) (V)1410.5
Vin (Max) (V)4414.4
Vout (Nom) (V)14.445
Iout (Max) (A)5.7
Output Power (W)7231.5
Isolated/Non-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDC
TopologyBoost- SynchronousBuck- Synchronous

TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD88539ND  60-V Dual N-Channel NexFET Power MOSFET, CSD88539ND  MOSFETs  Sample & Buy Not Available
LM5109A  High Voltage 1A Peak Half Bridge Gate Driver  Gate Drivers  Sample & Buy Not Available
MSP430F5132  25MHz MCU with Two 16-bit High Res Timers, 8KB flash, 1KB RAM, 10-bit ADC, 16-channel Comparator  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
OPA170  36V, microPower, Rail-to-Rail Output, General Purpose Op Amp in MicroPackages  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TLV704  24V Input Voltage, 150mA, Ultra-Low-Iq Low-Dropout (LDO) Regulators  Power management  Sample & Buy View Design Kits & Evaluation Modules
UCC28880  High Voltage Switcher for Non-isolated AC/DC Conversion  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD88539ND Download
LM5109A Download Download
Download Download
MSP430F5132 Download -
Download -
Download -
OPA170 Download Download
Download Download
Download Download
TLV704 Download Download
UCC28880 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1762 18 Sep 2015 20
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 926 18 Sep 2015 2
ZIP 2346 18 Sep 2015 5
PDF 3190 18 Sep 2015 1 1
PDF 331 18 Sep 2015 1 1
PDF 237 18 Sep 2015 3
PDF 737 18 Sep 2015 46
Related Tools & Software

Software (1)



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