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bq24707EVM for Multicell, Synchronous, Switch-Mode
The bq24707 evaluation module is a complete charger module for evaluating a multicell (1 to 4 cells)
synchronous notebook charger using the bq24707 devices. Included in this document are the bill of
materials, board art, and schematic.
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1.1
1.2
1.3
1.4
1.5
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2.1
2.2
2.3
2.4
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4
4.1
4.2
4.3
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Main Window of the bq24707 Evaluation Software
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Test Setup for bq24707EVM
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11
Schematic
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I/O Description
2
Controls and Key Parameters Setting
3
Recommended Operating Conditions
4
EV2300 and bq24707 EVM Connections
5
Bill of Materials
Windows is a trademark of Microsoft Corporation.
SLUU445B - September 2010 - Revised May 2011
Submit Documentation Feedback
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bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus
Copyright © 2010-2011, Texas Instruments Incorporated
SLUU445B - September 2010 - Revised May 2011
Charger With SMBus Interface
Contents
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List of Figures
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List of Tables
User's Guide
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18
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10
1
Interface
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Related Manuals for Texas Instruments bq24707EVM
Summary of Contents for Texas Instruments bq24707EVM
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Page 1: Table Of Contents
EV2300 and bq24707 EVM Connections ......................Bill of Materials Windows is a trademark of Microsoft Corporation. SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... -
Page 2: Introduction
4 A of charge current to Li-ion or Li-polymer applications. The charge current is programmable by an SMBus interface through the EV2300 interface board. The bq24707EVM does not come with the EV2300 interface board, so it must be ordered separately. -
Page 3: Controls And Key Parameters Setting
Observe: → A,B Observe if A, B occur. If they do not occur, the unit under test has failed. SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback... -
Page 4: Equipment
5. If a target file already exists and is newer, do not overwrite the newer file. 6. Click Finish. SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... -
Page 5: Equipment Setup
Figure 2. Original Test Setup for bq24707EVM 11. Turn on the computer. Open the bq24707 evaluation software. The main window of the software is SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback... -
Page 6: Procedure
1. Click OK. Then close main window that shows as Figure 3, and disconnect USB cable. SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... - Page 7 Measure → Isys = 3000 mA ±300 mA, Ibat = 1600 mA ±300 mA, Iin = 4100 mA ±400 mA SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback...
- Page 8 V(J2(SYS)) = 10 V ±1 V (battery connected to system) Measure → V(J2(BAT)) = 10 V ±1 V (battery connected to system) SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated...
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Page 9: Pcb Layout Guideline
Ensure that sufficient thermal vias are directly under the IC, connecting to the ground plane on the other layers. SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback... -
Page 10: Bill Of Materials, Board Layouts, And Schematic
Resistor, Chip, 0.5W, 5% 1210 R8, R9 4.02k Resistor, Chip, 1/10W, 1% OPEN Resistor, Chip, 1/16W, 1% SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... - Page 11 1.25 x 0.25 inch THT-13-457-10 Brady – HPA558 2.75x3inch 4 layer 2oz. PCB inch HPA558 SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated...
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Page 12: Board Layouts
Bill of Materials, Board Layouts, and Schematic www.ti.com Board Layouts Figure 5. Top Layer SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... -
Page 13: Second Layer
Bill of Materials, Board Layouts, and Schematic www.ti.com Figure 6. Second Layer SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... -
Page 14: Third Layer
Bill of Materials, Board Layouts, and Schematic www.ti.com Figure 7. Third Layer SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... -
Page 15: Bottom Layer
Bill of Materials, Board Layouts, and Schematic www.ti.com Figure 8. Bottom Layer SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... -
Page 16: Top Assembly
Bill of Materials, Board Layouts, and Schematic www.ti.com Figure 9. Top Assembly SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... -
Page 17: Bottom Assembly
Bill of Materials, Board Layouts, and Schematic www.ti.com Figure 10. Bottom Assembly SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... -
Page 18: Schematic
Bill of Materials, Board Layouts, and Schematic www.ti.com Schematic Figure 11. Schematic SLUU445B – September 2010 – Revised May 2011 bq24707EVM for Multicell, Synchronous, Switch-Mode Charger With SMBus Interface Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated... - Page 19 Evaluation Board/Kit Important Notice Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards.
- Page 20 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2021, Texas Instruments Incorporated...
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