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BZX84C5V6

型号:

BZX84C5V6

描述:

bq2026评估软件[ bq2026 Evaluation Software ]

品牌:

TI[ TEXAS INSTRUMENTS ]

页数:

12 页

PDF大小:

249 K

User's Guide  
SLUU763December 2011  
bq2026 Evaluation Software  
The purpose of the bq2026 evaluation board and the bq2026EVM evaluation software is to demonstrate  
the functionality of the bq2026. The bq2026 evaluation board supports both the bq2026DBZR (SOT23-3)  
and bq2026LPR (TO-92) packages but only one package can be evaluated/programmed at any time.  
The bq2026 is a 1.5K-bit serial EPROM containing a factory-programmed, unique 48-bit identification  
number, 8-bit family code, and a 64-bit status register.  
The bq2026 is ideal for applications such as battery pack configuration parameters, record maintenance,  
asset tracking, product revision status, and access-code security.  
Contents  
1
2
Kit Contents .................................................................................................................. 2  
bq2026-Based Circuit Module ............................................................................................. 2  
2.1  
Test Points .......................................................................................................... 2  
3
4
5
6
7
bq2026EVM Circuit Module Schematic .................................................................................. 2  
bq2026EVM Circuit Module Physical Layouts .......................................................................... 3  
bq2026EVM Circuit Module Bill of Materials ............................................................................ 6  
bq2026EVM Circuit Module Performance Specification Summary ................................................... 7  
bq2026EVM Hardware and Software Setup ............................................................................ 7  
7.1  
7.2  
Drivers and Software Installation` ................................................................................ 7  
Hardware Connection ............................................................................................. 7  
8
Software Operation ......................................................................................................... 8  
8.1  
8.2  
8.3  
Evaluation Software Pages ....................................................................................... 8  
ROM CMD .......................................................................................................... 8  
DATA ................................................................................................................ 9  
List of Figures  
1
2
3
4
5
6
7
bq2026EVM Schematic ....................................................................................................  
bq2026EVM Silk Screen ...................................................................................................  
bq2026EVM Top Assembly................................................................................................  
bq2026EVM Top Layer.....................................................................................................  
bq2026EVM Bottom Layer.................................................................................................  
ROM CMD Page ............................................................................................................  
2
3
4
5
6
9
DATA Page................................................................................................................. 10  
List of Tables  
1
2
3
4
Test Points...................................................................................................................  
Bill of Materials ..............................................................................................................  
Performance Specification Summary.....................................................................................  
Wire Connection ............................................................................................................  
2
6
7
8
1
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bq2026 Evaluation Software  
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Copyright © 2011, Texas Instruments Incorporated  
Kit Contents  
www.ti.com  
1
Kit Contents  
1. bq2026EVM REVA board  
2. Personal computer (PC) interface board EV2300  
3. USB cable (type A-B)  
2
bq2026-Based Circuit Module  
The bq2026-based circuit module is ideal for programming the 1.5K-bit EPROM and the STATUS bytes of  
the bq2026 IC. The circuit module includes a SOT23 single socket, a bq2026 IC, a Zener diode for host  
protection during EPROM programming, and a programming circuit that generates a 12-V pulse when  
used with a power supply and a control signal. In a typical application, only the bq2026 IC and a pullup  
resistor is required.  
2.1 Test Points  
Table 1. Test Points  
Test Point  
Signal Name  
Description  
Device ground  
J1-1  
J1-2  
J1-3  
J2-1  
J2-2  
J3  
VSS  
PROG  
SDQ  
12V  
Input for timing of EPROM programming pulse  
SDQ single-wire communication bus  
High voltage for EPROM programming  
Programming ground  
VSS  
Connect for EPROM programming  
3
bq2026EVM Circuit Module Schematic  
The schematic shows the circuit for the bq2026 implementation.  
Figure 1. bq2026EVM Schematic  
2
bq2026 Evaluation Software  
SLUU763December 2011  
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Copyright © 2011, Texas Instruments Incorporated  
www.ti.com  
bq2026EVM Circuit Module Physical Layouts  
4
bq2026EVM Circuit Module Physical Layouts  
This section contains the board layout and assembly drawings for the bq2026EVM circuit module.  
Figure 2. bq2026EVM Silk Screen  
3
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bq2026EVM Circuit Module Physical Layouts  
www.ti.com  
Figure 3. bq2026EVM Top Assembly  
4
bq2026 Evaluation Software  
SLUU763December 2011  
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www.ti.com  
bq2026EVM Circuit Module Physical Layouts  
Figure 4. bq2026EVM Top Layer  
5
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bq2026 Evaluation Software  
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Copyright © 2011, Texas Instruments Incorporated  
bq2026EVM Circuit Module Bill of Materials  
www.ti.com  
Figure 5. bq2026EVM Bottom Layer  
5
bq2026EVM Circuit Module Bill of Materials  
Table 2 presents the bill of materials required for the bq2026EVM circuit module.  
Table 2. Bill of Materials  
Count RefDes  
Description  
Size  
MFR  
Part Number  
2
1
3
1
1
1
0
1
1
1
0
0
2
D1, D2  
J3  
Diode, Zener, 5.6-V, 350-mW  
Header, 2-pin, 100-mil spacing, (36-pin strip)  
Resistor, Chip, 100-Ω, 1/16-W, 5%  
Resistor, Chip, 100-kΩ, 1/16-W, 5%  
Resistor, Chip, 10-kΩ, 1/16-W, 5%  
Resistor, Chip, 15-kΩ, 1/16-W, 5%  
Resistor, Chip, 2.7-kΩ, 1/16-W, 5%  
Socket, SOT-23, 6P  
SOT-23  
0.100 x 2  
603  
Diodes, Inc.  
Sullins  
Std  
BZX84C5V6  
PTC36SAAN  
Std  
R1, R2, R6  
R3  
603  
Std  
Std  
R4  
603  
Std  
Std  
R5  
603  
Std  
Std  
R7*, R8*  
XU1  
603  
Std  
Std  
SOT-23-6  
0.400 x 0.500  
0.27 x 0.25 inch  
0.038  
WELLS-CTI  
Molex  
OST  
499-P44-20  
22-05-3041  
ED1514  
5001  
J1  
Header, Friction Lock Ass'y, 4-pin Right Angle  
Terminal Block, 2-pin, 6-A, 3.5-mm  
Test Point, Black, 1-mm  
J2  
GND*  
SDQ*  
U2,U3*  
Keystone  
Keystone  
Tyco  
Test Point, Red, 1-mm  
0.038  
5000  
Socket Pin - Install First  
DIA_038, PIN_013-020, EXP_146,  
B125  
50935  
1
1
1
1
Q1  
Q2  
--  
MOSFET, N-ch, 60-V, 115-mA, 1.2-Ω  
MOSFET, Pch, -20-V, 3.7-A, 65 mΩ  
PCB, 2 In x 1.25 In x 0.125 In  
Shunt, 100-mil, Black  
SOT23  
SOT23  
Vishay-Liteon 2N7002-7-F  
IR  
IRLML6402  
Any  
3M  
bq2026EVM Board  
929950-00  
N/A  
0.1  
6
bq2026 Evaluation Software  
SLUU763December 2011  
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www.ti.com  
bq2026EVM Circuit Module Performance Specification Summary  
Table 2. Bill of Materials (continued)  
Count RefDes  
Description  
Size  
MFR  
Part Number  
1
U1  
bq2026, IC, 1.5K Serial EPROM With SDQ Interface SOT-23  
TI  
bq2026DBZR  
6
7
bq2026EVM Circuit Module Performance Specification Summary  
Table 3. Performance Specification Summary  
Specification  
Min  
2.65  
11.5  
Typ  
Max  
Unit  
Voltage Pullup (VUP  
)
5.5  
12  
V
V
Programming Voltage(VPP  
)
bq2026EVM Hardware and Software Setup  
7.1 Drivers and Software Installation`  
This section describes how to install the bq2026EVM PC software and how to connect the different  
components of the EVM.  
Perform the following steps to install the bq2026 evaluation software:  
1. Insert the CD ROM into a CD ROM drive.  
2. Select the CD ROM drive using My Computer or File Manager.  
3. Select the ReadMeFirst.txt file.  
4. Select the Software/EV2300 Drivers directory of the CD, and run SETUP.EXE.  
5. Plug the EV2300 into a USB port.  
6. Wait until system prompt new hardware found appears. Choose select location manually, and use the  
browse button to point to C:\WINDOWS\TI\USB1.  
7. Answer continue to the warning that drivers are not certified with Microsoft.  
8. After installation finishes, another system prompt new hardware found appears. Repeat preceding  
procedure, but point to C:\WINDOWS\TI\USB2.  
9. Answer continue to the warning that drivers are not certified with Microsoft. Installation of drivers is  
now finished.  
10. For Windows 98, point to directory TIUSBWin98.  
11. After installing the USB drivers for EV2300, double-click on the Setup.exe icon that is under the  
Software/bq2026 Evaluation Software folder.  
12. Follow the instructions on screen during the installation of evaluation software.  
13. The setup program installs a Windows application group.  
7.2 Hardware Connection  
The bq2026EVM has three hardware components:  
1. The bq2026EVM circuit module  
2. The PC interface board, (EV2300)  
3. The PC  
Perform the following steps to configure the hardware for interface to the PC:  
1. Connect the bq2026EVM board with the EV2300 PC interface board using Table 4 as a pin connection  
guide.  
2. Connect the USB cable to the EV2300 and the PC USB port.  
The bq2026EVM is now set up for normal operation.  
7
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Software Operation  
www.ti.com  
Table 4. Wire Connection  
bq2026EVM REVA  
EV2300  
HDQ  
SDQ  
VSS  
GND  
PROG  
VOUT  
To program the EPROM of bq2026EVM, a 12-V pulse must be generated on the SDQ line. The  
bq2026EVM board has an additional circuit included that permits generating this pulse when using a  
power supply set to 12 V and the VOUT output of the EV2300. The evaluation software controls this pulse  
for EPROM programming.  
When programming the EPROM, it is expected that a 12-V supply be connected to the bq2026EVM board  
at the 12-V input terminal of the bq2026EVM board. Ensure that the ground of the power supply is  
connected to VSS of the board.  
A jumper (J3) must be connected when using the EPROM programming circuit.  
7.2.1  
7.2.2  
Normal Operation  
Normal operation includes performing any of the ROM commands, reading the 1.5K-bit EPROM and  
reading the EPROM Status Memory.  
EPROM Programming  
To program EPROM registers, a 12-V pulse must be sent across the SDQ line during a write command.  
See the bq2026 data sheet (SLUS938) for a specific description of EPROM programming requirements.  
When programming EPROM registers, the following must be ensured:  
J3 jumper is connected.  
VOUT output of EV2300 is connected to PROG input of bq2026EVM board.  
Power supply set to 12 V is connected across the 12-V and VSS inputs of bq2026EVM board.  
8
Software Operation  
Run the program from the Start Programs Texas Instruments bq2026 Evaluation Software menu  
sequence.  
8.1 Evaluation Software Pages  
This section describes the function of each page of the evaluation program.  
8.2 ROM CMD  
This page provides all the ROM commands for bq2026 (see Figure 6).  
8.2.1  
Sections Within the ROM CMD Page  
Read ROM The ID ROM of the device on the SDQ communication line is displayed when READ ID is  
clicked.  
8
bq2026 Evaluation Software  
SLUU763December 2011  
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Software Operation  
Figure 6. ROM CMD Page  
8.3 DATA  
This page (see Figure 7) allows the user to program the 1.5K-bit EPROM with desired values and to  
program the STATUS bytes. It requires that the hardware is set up as described in the EPROM  
programming of this user's guide.  
8.3.1  
1.5K-Bit EPROM  
The EPROM memory map is organized in six pages of 32 bytes each. All registers can be read by clicking  
on the Read Memory button. As the registers of a specific page are being read, the page number is  
highlighted in red.  
The two methods of programming the EPROM using the evaluation program follow.  
1. Click on a specific grid that corresponds to the register that needs to be written. Write the hexadecimal  
value of the data that needs to be written, and then press ENTER.  
2. The other method of programming the EPROM is by importing a data file that contains all the values to  
be programmed. The data file has the file extension .epr. An example of a data file is included with the  
evaluation program. To create additional data files, modify the example file so that the values on the  
right side of the file represent the desired values. Save the file with a different name ensuring that the  
extension .epr is used. To import a file into the grid, go to File Open Data File, and select the  
appropriate file. Once the file is opened, the grid is filled in with the values contained in the data file.  
9
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Software Operation  
www.ti.com  
Click on the Write Memory button so that the values are programmed into the EPROM.  
A data file can also be saved by going to File|Save Data File. The data that is saved in the file is the data  
displayed on the grids representing the EPROM memory map.  
8.3.2  
Status Bytes  
This section allows the user to read or write the EPROM Status bytes of the bq2026. The registers are  
programmed by clicking on the appropriate grid, entering the desired value, and pressing ENTER.  
Note that the status registers are EPROM. Once a bit has been cleared, it cannot be set.  
Figure 7. DATA Page  
10  
bq2026 Evaluation Software  
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Copyright © 2011, Texas Instruments Incorporated  
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. As such, the goods being provided are  
not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations,  
including product safety and environmental measures typically found in end products that incorporate such semiconductor  
components or circuit boards. This evaluation board/kit does not fall within the scope of the European Union directives regarding  
electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the  
technical requirements of these directives or other related directives.  
Should this evaluation board/kit not meet the specifications indicated in the Users Guide, the board/kit may be returned within 30  
days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY  
SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING  
ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.  
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all  
claims arising from the handling or use of the goods. Due to the open construction of the product, it is the users responsibility to  
take any and all appropriate precautions with regard to electrostatic discharge.  
EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER  
FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.  
TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not exclusive.  
TI assumes no liability for applications assistance, customer product design, software performance, or infringement of  
patents or services described herein.  
Please read the Users Guide and, specifically, the Warnings and Restrictions notice in the Users Guide prior to handling the  
product. This notice contains important safety information about temperatures and voltages. For additional information on TIs  
environmental and/or safety programs, please contact the TI application engineer or visit www.ti.com/esh.  
No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or  
combination in which such TI products or services might be or are used.  
FCC Warning  
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. It generates, uses, and  
can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15  
of FCC rules, which are designed to provide reasonable protection against radio frequency interference. Operation of this  
equipment in other environments may cause interference with radio communications, in which case the user at his own expense  
will be required to take whatever measures may be required to correct this interference.  
EVM Warnings and Restrictions  
It is important to operate this EVM within the input voltage range of 2.65 V to 5.5 V and the output voltage range of 0 V to 5.5 V .  
Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are  
questions concerning the input range, please contact a TI field representative prior to connecting the input power.  
Applying loads outside of the specified output range may result in unintended operation and/or possible permanent damage to the  
EVM. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the load  
specification, please contact a TI field representative.  
During normal operation, some circuit components may have case temperatures greater than 70°C. The EVM is designed to  
operate properly with certain components above 70°C as long as the input and output ranges are maintained. These components  
include but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors. These types of  
devices can be identified using the EVM schematic located in the EVM User's Guide. When placing measurement probes near  
these devices during operation, please be aware that these devices may be very warm to the touch.  
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265  
Copyright © 2011, Texas Instruments Incorporated  
IMPORTANT NOTICE  
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements,  
and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should  
obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are  
sold subject to TIs terms and conditions of sale supplied at the time of order acknowledgment.  
TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TIs standard  
warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where  
mandated by government requirements, testing of all parameters of each product is not necessarily performed.  
TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and  
applications using TI components. To minimize the risks associated with customer products and applications, customers should provide  
adequate design and operating safeguards.  
TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right,  
or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Information  
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Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all  
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