TIDA-00589

I2C Controlled Single Cell 5A Fast Charger with MaxCharge and 3.1A Boost Operation for Power Bank

TIDA-00589

Design files

Overview

TIDA-00589 demonstrates the fully-integrated single-cell 5A charger bq25895 with 3.1A synchronous boost operation. bq25895 is a single-chip 1S power bank solution supporting high voltage adaptor to achieve up to 5A fast charging. The high efficiency of the synchronous boost maximizes the power bank operation time. bq25895 is  pin-to-pin compatible to the bq24195 and bq24195L power bank chargers.

Features
  • Support high voltage adaptor to achieve up to 5A charging current
  • Adjustable-voltage high-efficiency 3.1A synchronous boost operation
  • Input Current Optimizer (ICO) to best utilize the adaptor
  • ADC to provide system and battery monitoring
  • Both host control and autonomous charging when the host is not available
  • Integrated low Rdson battery FET for long battery run time
Personal electronics

Design files & products

Design files

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

TIDUA88.PDF (907 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRFO3.PDF (252 K)

Detailed schematic diagram for design layout and components

TIDRFO4.PDF (76 K)

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

TIDRFO5.PDF (605 K)

Detailed overview of design layout for component placement

TIDRFO7.ZIP (1290 K)

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

TIDCAK8.ZIP (499 K)

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

TIDRFO6.PDF (655 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

USB redrivers & multiplexers

TS3USB221High-Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer Switch With Single Enable

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

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Hardware

Evaluation board

BQ25895EVM-664 – BQ25895 Complete Charger Evaluation Module

The bq25895 evaluation module (EVM) is a complete charger module for evaluating the highly-integrated switch-mode battery charge management and system power path management device for 1 cell Li-Ion and Li-polymer battery in a wide range of smartphone and tablet applications.

The BQ25895EVM-664 (...)

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Technical documentation

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Type Title Date
* Test report TIDA-00589 Test Report Jun. 30, 2015
User guide TIDA-00589 Test Procedure Jun. 30, 2015

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