TIDA-00047

2.5A Dual-Input Single Cell Switchmode Li-Ion Battery Charger with Power Path Reference Design

TIDA-00047

Design files

Overview

This reference design is a complete charger solution for evaluating compact, flexible, high-efficiency, USB-friendly, switch-mode charge management solution for single-cell, Li-ion and Li-polymer batteries used in a wide range of portable applications. The solution integrates a synchronous PWM controller, power MOSFETs, input-current sensing, high-accuracy current and voltage regulation, charge termination and power path management into a small WCSP package.

Features

• # Series Cells: 1S
• Max Input Volts: 10V
• Max Charge Current: 2.5A
• Topology: Switch mode
• Communication: I2C
• Features: Integrated protection

Download View video with transcript Video

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.

TIDU105.PDF (843 KB)

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

TIDR076.PDF (38 KB)

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

TIDU106.PDF (278 KB)

PCB layer plot file used for generating PCB design layout

TIDR075.PDF (97 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Battery fuel gauges

BQ27530-G1System-side Impedance-Track fuel (gas) gauge with direct battery connection

Data sheet: PDF | HTML
Battery charger ICs

BQ24160I2C 1cell 2.5A Buck battery charger with dual-input, Power Path and USB detection

Data sheet: PDF | HTML

Technical documentation

star
= Top documentation selected by TI
No results found. Please clear your search and try again.
View all 1
Type Title Date
* Test report TIDA-00047 Test Results Aug 27, 2013

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support.