330W, >93% Efficiency, Cost Optimized, 20-32V Storage Battery Bank Charger Reference Design TIDA-00704 (ACTIVE)

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Key Document

Description

The TIDA-00704 is a compact, universal input, 20-32VDC - 320-W output, AC/DC storage battery bank charger for 8 cell LiFePO4 batteries. The circuit consists of a front end continuous conduction mode (CCM) power factor correction (PFC) circuit, followed by an LLC based second stage. The design uses the UCC29950 combo controller which controls both the PFC stage and LLC stage, to achieve a compact and robust control structure. Synchronous rectification based on UCC24610 and low RDSon FETs from Texas instruments help in achieving higher efficiencies. The board comes with an option of a customizable battery charge profiling, by means of adding a small daughter card based on MSP430 controller.

Features
  • Peak overall efficiency of 93%  enables energy saving
  • Uses a single UCC29950 combo controller for controlling both PFC and LLC stages for reduced component count
  • True input power limit to provide greater degree of protection under varying input voltage conditions
  • Low stand-by power (<100mW) to help meet no- load condition limits of energy norm (DoE level VI)
  • Wide input voltage range from 85 VAC to 264 VAC helps in meeting global market needs

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Schematic/Block Diagram

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Design Files

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TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD19501KCS  80V, N-Channel NexFET™ Power MOSFET, CSD19501KCS  MOSFETs  Sample & Buy Not Available
LM258A  Dual Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TLV1117  Single Output LDO, 800mA, Fixed and Adj., Internal Current limit, Thermal Overload Protection  Power management  Sample & Buy View Design Kits & Evaluation Modules
UCC24610  Secondary Side Synchronous Rectifier Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC29950  UCC29950 CCM PFC and LLC Combo Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD19501KCS Download
LM258A Download Download
Download Download
Download Download
TLV1117 Download -
Download
Download -
Download -
Download -
Download -
UCC24610 Download Download
Download Download
UCC29950 Download -

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Technical Documents

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Datasheet (1)
Title Type Size (KB) Date
PDF 3227 20 Mar 2015
User guides (1)
Title Type Size (KB) Date
PDF 2207 05 Jan 2017
Design files (6)
Title Type Size (KB) Date
PDF 1083 31 Mar 2017
ZIP 3820 31 Mar 2017
PDF 176 31 Mar 2017
PDF 516 09 Aug 2016
ZIP 382 09 Aug 2016
PDF 2462 09 Aug 2016
Related Tools & Software

Reference Designs  ( 1 )


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