bq2084EVM-001 SBS 1.1 Battery Management
Solution Evaluation Module
User's Guide
Literature Number: SLUU184B
November 2005 – Revised October 2013
Contents
1
1
2
3
4
5
6
2
bq2084EVM-001 SBS 1.1 Battery Management Solution Evaluation Module ............................... 4
INTRODUCTION .................................................................................................................. 4
.............................................................................................................. 4
......................................................................................................... 4
1.3
ORDERING INFORMATION ........................................................................................... 4
bq2084/bq29312-BASED CIRCUIT MODULE ............................................................................ 5
2.1
CIRCUIT MODULE CONNECTIONS ................................................................................. 5
2.2
PIN DESCRIPTIONS ................................................................................................... 5
bq2084/bq29312 CIRCUIT MODULE SCHEMATIC .................................................................... 6
3.1
PREVIEW SCHEMATIC ................................................................................................ 6
3.2
MODIFICATIONS FOR CHOOSING PARTICULAR PRECHARGE MODE ..................................... 7
3.3
TESTING FUSE-BLOWING CIRCUIT ................................................................................ 7
CIRCUIT MODULE PHYSICAL LAYOUTS AND BILL OF MATERIALS ......................................... 7
4.1
BOARD LAYOUT ........................................................................................................ 7
4.2
BILL OF MATERIALS ................................................................................................. 10
4.3
bq2084/bq29312/bq29401 CIRCUIT MODULE PERFORMANCE SPECIFICATION SUMMARY .......... 11
EVM HARDWARE AND SOFTWARE SETUP .......................................................................... 11
5.1
SYSTEM REQUIREMENTS .......................................................................................... 11
5.2
SOFTWARE INSTALLATION ........................................................................................ 11
5.3
HARDWARE CONNECTION ......................................................................................... 12
OPERATION ...................................................................................................................... 14
6.1
STARTING THE PROGRAM ......................................................................................... 14
6.2
SETTING PROGRAMMABLE bq2084 and bq29312 OPTIONS ................................................ 15
1.1
FEATURES
1.2
KIT CONTENTS
6.3
CALIBRATION OF A bq2084/bq29312/bq29401-BASED MODULE USING THE EV2300-84
SOFTWARE ............................................................................................................ 16
6.4
DIRECT ACCESS COMMUNICATION
Table of Contents
.............................................................................
18
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List of Figures
1
bq2084/bq29312/bq29401 EVM Schematic .............................................................................
6
2
bq2084EVM-001 Layout ...................................................................................................
7
3
Top Assembly ...............................................................................................................
8
4
Layer 1
.......................................................................................................................
Layer 2 (Internal 1) .........................................................................................................
Layer 3 (Internal 2) .........................................................................................................
Layer 4 .......................................................................................................................
Bottom Assembly ...........................................................................................................
bq2084/bq29312 Circuit Module Connection to Cells and System Load/Charger ................................
SBS Data Screen ..........................................................................................................
SBS Data Screen - Status Bit Window .................................................................................
Data Flash Screen, AFE Configuration, and Module Calibration Locations .......................................
Calibration Screen .........................................................................................................
Pro Screen .................................................................................................................
8
5
6
7
8
9
10
11
12
13
14
8
9
9
9
12
14
14
16
17
18
List of Tables
1
Ordering Information ........................................................................................................
4
2
Components and Flash-Memory Settings for Different Precharge Modes ..........................................
7
3
Bill of Materials.............................................................................................................
10
4
Performance Specification Summary ...................................................................................
11
5
Circuit Module to EV2300 Connections
................................................................................
12
6
Example Log File ..........................................................................................................
15
7
Example Log File
.........................................................................................................
15
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List of Figures
3
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bq2084EVM-001 SBS 1.1 Battery
Management Solution Evaluation Module
1
INTRODUCTION
This EVM is a complete evaluation system for the bq2084/bq29312/bq29401 battery management system.
The EVM includes one bq2084/bq29312/ bq29401 circuit module, a current sense resistor, a thermistor
and Windows®- based PC software. The circuit module includes one bq2084 IC, one bq29312 IC, one
bq29401 IC, and all other onboard components necessary to monitor and predict capacity, perform cell
balancing, monitor critical parameters, protect the cells from overcharge, over discharge, short circuit, and
overcurrent in 2-, 3- or 4-series cell Li-Ion or Li-Polymer battery packs. The circuit module connects
directly across the cells in a battery. An EV2300 board for gas gauge interface is required to interface this
EVM with the PC and can be purchased separately. With the EV2300 interface board and software, the
user can read the bq2084 data registers, program the chipset for different pack configurations, log cycling
data for further evaluation and evaluate the overall functionality of the bq2084/bq29312/bq29401 solution
under different charge and discharge conditions.
1.1
FEATURES
•
•
•
•
1.2
KIT CONTENTS
•
•
•
1.3
Complete evaluation system for the bq2084 SBS 1.1-compliant advanced gas gauge, bq29312 analog
front end and protection IC, and bq29401 independent overvoltage protection IC
Populated circuit module for quick setup
PC software and interface board for easy evaluation
Software that allows data logging for system analysis
bq2084/bq29312/bq29401 circuit module
Software CD with the evaluation software
Set of support documentation
ORDERING INFORMATION
Table 1. Ordering Information
EVM PART NUMBER
CHEMISTRY
CONFIGURATION
CAPACITY
bq2084EVM-001
Li-Ion
2, 3, or 4 cell
Any
Windows is a registered trademark of Microsoft Corporation.
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bq2084/bq29312-BASED CIRCUIT MODULE
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2
bq2084/bq29312-BASED CIRCUIT MODULE
The bq2084/bq29312/bq29401-based circuit module is a complete and compact example solution of a
bq2084 and bq29312 circuit for battery management and protection of Li-Ion or Li-Polymer packs. The
circuit module incorporates a bq2084 battery monitor IC, bq29312 AFE and protection IC, bq29401
independent overvoltage protection IC, and all other components necessary to accurately predict the
capacity of 2-, 3-, or 4-series cells.
2.1
CIRCUIT MODULE CONNECTIONS
Contacts on the circuit module provide the following connections:
• Direct connection to the cells: 1N (BAT−), 1P, 2P, 3P, 4P (BAT+)
• To the serial communications port (SMBC, SMBD).
• The system load and charger connect across PACK+ and PACK−.
• To the system present pin (SYS PRES)
• To the sleep pin (SLEEP)
2.2
PIN DESCRIPTIONS
1N
1P
2P
3P
4P
SMBC
SMBD
SYS PRES
SLEEP
–ve connection of first (bottom) cell
+ve connection of first (bottom) cell
+ve connection of second cell
+ve connection of third cell
+ve connection of fourth (top) cell
Serial communication port clock
Serial communication data port
System present pin (if low, system is present)
Sleep mode pin (if high, AFE enters sleep
mode)
Pack negative terminal
Pack negative terminal
Pack positive terminal
PACKVSS
PACK+
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bq2084/bq29312 CIRCUIT MODULE SCHEMATIC
3
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bq2084/bq29312 CIRCUIT MODULE SCHEMATIC
This chapter contains a preview schematic (thumbnail) of the circuit for the bq2084/bq29312/bq29401
implementation.
PREVIEW SCHEMATIC
2
21
20
DSG ZVCHGCHG
1 BAT
22
PACK
19SLEEP
18
REG
17
3 VC1
TOUT
U2
24
bq29312PW OD
4
VC2
13
SCLK
5 VC3
14
SDATA
6 VC4
16
XALERT
7 VC5
10
WDI
23PMS
11
CELL
SR1SR2 GND
GND
8 9 15 12
3.1
Figure 1. bq2084/bq29312/bq29401 EVM Schematic
NOTE: Refer to the back of the user’s guide for the full-size schematic.
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3.2
MODIFICATIONS FOR CHOOSING PARTICULAR PRECHARGE MODE
In order to charge, the charge FET (CHG-FET) must be turned on to create a current path. When the
V(BAT) is 0 V and CHG-FET = ON, the V(PACK) is as low as the battery voltage. In this case, the supply
voltage for the device is too low to operate. There are 3 possible configurations for this function, and the
bq29312 can be easily configured according to the application needs. The 3 modes are 0-V Charge FET
Mode, Common FET Mode, and Precharge FET Mode.
1. 0-V Charge FET Mode − Dedicates a precharge current path using an additional FET (ZVCHG−FET)
to sustain the PACK+ voltage level. The host charger is expected to provide a precharge function.
2. Common FET Mode − Does not use a dedicated precharge FET. The charge FET (CHG−FET) is set
to ON state as default. The charger is expected to provide a precharge function.
3. Precharge FET Mode − Dedicates a precharge current path using an additional open drain (OD) pin
drive FET (PCHG−FET) FET to sustain the PACK+ voltage level. The charger does not provide any
precharge function.
To use a particular mode of charging with the EVM, add or remove some elements shown in Table 2, and
use the given settings of Flash memory, Misc Configuration DF 0x2a (high) and 0x2b (low), bits PFET1,
PFET0.
Table 2. Components and Flash-Memory Settings for Different Precharge Modes
MODE
RESISTORS
FET
PFET1
FET0
1(default)
R19,R24
Q3, SI4435DY
0
0
2
R17
-
0
1
3
R19,R24
Q3, open drain FET
1
0
For more details about precharge operation and mode choices, see the bq29312 data sheet at
http://www−s.ti.com/sc/ds/bq29312.pdf.
3.3
TESTING FUSE-BLOWING CIRCUIT
To prevent the loss of board functionality during the fuse-blowing test, the actual chemical fuse is not
provided in the circuit. FET Q4 drives TP4 low if fuse blow condition occurs, so monitoring TP4 can be
used to test this condition. Fuse placement on the application board is shown in the bq2084 data sheet
reference-board schematic.
4
CIRCUIT MODULE PHYSICAL LAYOUTS AND BILL OF MATERIALS
This chapter contains the board layout, bill of materials, and assembly drawings for the bq2084/ bq29312/
bq29401 circuit module.
4.1
BOARD LAYOUT
Figure 2 shows the dimensions, PCB layers, and assembly drawing for the bq2084/bq29312 module.
5.250
1.250
SILK
Figure 2. bq2084EVM-001 Layout
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5.250
1.250
SLUP194 REV. A TOP ASSY
Figure 3. Top Assembly
5.250
1.250
LAYER 1
Figure 4. Layer 1
5.250
1.250
LAYER 2 [ INTERNAL 1 ]
Figure 5. Layer 2 (Internal 1)
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5.250
1.250
LAYER 3 [ INTERNAL 2 ]
Figure 6. Layer 3 (Internal 2)
5.250
1.250
LAYER 4
Figure 7. Layer 4
5.250
1.250
SLUP194 REV. A BOTTOM ASSY
Figure 8. Bottom Assembly
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CIRCUIT MODULE PHYSICAL LAYOUTS AND BILL OF MATERIALS
4.2
(1)
(2)
(3)
BILL OF MATERIALS
www.ti.com
(1) (2) (3) (3)
This assembly is ESD sensitive.
This assembly shall comply with IPC-A-610 class 2 or better.
This assembly must be clean of flux residues and contaminants. Use of no-clean flux is not acceptable.
Table 3. Bill of Materials
10
COUNT
REF DES
18
C1, C2, C3, C4,
C5, C6, C7, C8,
C9, C11, C12,
C13, C14, C16,
C17, C18, C19,
C21
Capacitor, ceramic, 50 V, X7R, 20%
DESCRIPTION
603
0.1 µF
1
C10
Capacitor, ceramic, 50 V, X7R, 20%
1206
1.0 µF
1
C15
Capacitor, ceramic, 50 V, X7R, 10%
603
0.047 µF
1
C20
Capacitor, ceramic, 16 V, X7R, 10%
1206
4.7 µF
3
C22, C24, C28
Capacitor, ceramic, 16 V, X7R, 10%
603
0.47 µF
2
C23, C25
Capacitor, ceramic, 16 V, COG, 10%
603
68 pF
1
C26
Capacitor, ceramic, 16 V, COG, 10%
603
2200 pF
1
C27
Capacitor, ceramic, 16 V, COG, 10%
603
150 pF
2
D1, D6
Diode, dual, Zener, 5.6 V, 300 mW
SOT23
AZ23C5V6
1
D2
Diode, dual ultra fast, series, 200 mA, 70 V
SOT23
BAV99
5
D3, D5, D7, D8,
D9
Diode, LED, green, Gullwing, GW type, 20
mA, 7.5 mcd Typ
Gullwing
LN1361C
1
D4
Diode, dual Schottky, 200 mA, 30 V
SOT23
BAT54C
1
J1
Header, friction lock assembly, 4-pin right
angle
0.400 × 0.500
22-05-3041
3
Q1, Q2, Q3
MOSFET, P-ch, 30 V, 7.0 A, 20 mΩ
SO8
Si4435DY
2
Q4, Q6
MOSFET, N-ch, 60 V, 115 mA, 1.2 Ω
SOT23
2N7002
1
Q5
MOSFET, P-ch, 50 V, 130 mA, 10 Ω
SOT23
BSS84
16
R1, R2, R3, R8,
R9, R10, R13,
R14, R15, R25,
R26, R30, R37,
R38, R44, R45
Resistor, chip, 1/16 W, 5%
603
100 Ω
6
R11, R12, R22,
R24, R28, R29
Resistor, chip, 1/16 W, 1%
603
4.99 kΩ
8
R16, R17, R19,
R31, R33, R34,
R39, R42
Resistor, chip, 1/16 W, 5%
603
100 kΩ
1
R18
Resistor, chip, 1 W, 5%
2512
300 Ω
1
R20
Resistor, chip, 1 W, 1%
2512
0.02 Ω
3
R21, R23, R27
Resistor, chip, 1/16 W, 5%
603
1 MΩ
1
R32
Resistor, chip, 1/16 W, 5%
603
10 Ω
1
R35**
Resistor, chip, 1/16 W, 0.2%, 75 PPM
603
100 kΩ
5
R36, R40, R43,
R46, R48
Resistor, chip, 1/16 W, 5%
603
470 Ω
4
R4, R5, R6, R7
Resistor, chip, 1/16 W, 5%
603
1 kΩ<
2
R41, R47
Resistor, chip, 1/16 W, 1%
603
61.9 kΩ
1
R49
Resistor, chip, 1.16 W, 1%
603
8.45 kΩ
1
RT1
Thermistor
0.095 × 0.150
10 kΩ
1
SW1
Switch, push button, momentary, N.O. low
profile
5 mm × 5 mm
2
TB1, TB2
Terminal block, 3 pin, 6 A, 3,5 mm
0.41 × 0.25
ED1515
2
TB3, TB4
Terminal block, 2 pin, 6 A, 3,5 mm
0.27 × 0.25
ED1514
bq2084EVM-001 SBS 1.1 Battery Management Solution Evaluation Module
SIZE
VALUE
MFG PART NO.
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Table 3. Bill of Materials (continued)
COUNT
4.3
REF DES
DESCRIPTION
SIZE
VALUE
MFG PART NO.
3
TP1, TP4, TP5
Jack, test point, cir
NA
1
U1
IC, voltage protection for 2, 3, or 4 cell Li-Ion, TSSOP-08
2nd protection, x.xx
bq29400PW
1
U2
IC, 2, 3, or 4 cell series protection control
AFE
TSSOP24
bq29312PW
1
U3
IC, advanced gas gauge
TSSOP38
bq2084DBT
1
-
PCB
bq2084/bq29312/bq29401 CIRCUIT MODULE PERFORMANCE SPECIFICATION
SUMMARY
This section summarizes the performance specifications of the bq2084/bq29312/bq29401 circuit module.
Table 4. Performance Specification Summary
SPECIFICATION
MIN
Input Voltage Pack+ to Pack−
5
MAX
6.0
Charge and Discharge Current
(1)
TYP
See
UNITS
25
V
(1)
A
Maximum currents are determined by the value of the sense resistor used and the short circuit threshold setting of the bq29312.
It is important to operate this EVM within the input voltage range of 6 V and 25 V, with a maximum voltage drop across the
sense resistor of ±250 mV (1-W power dissipation).
EVM HARDWARE AND SOFTWARE SETUP
This chapter describes how to install the bq2084EVM-001 PC software, and how to connect the different
components of the EVM.
5.1
SYSTEM REQUIREMENTS
EV2300-84 software requires Windows 2000 or Windows XP. Drivers for Windows 98SE are provided, but
Microsoft no longer supports Windows 98™; and there may be issues in Windows 98™ with USB driver
support. The EV2300 USB drivers have been tested for Windows 98SE™, but no assurance is made for
problem-free operation with specific system configurations.
5.2
SOFTWARE INSTALLATION
You can find the latest software version in the bq2084 tool folder on power.ti.com. The following steps
install the EV2300-84 software:
If files were delivered on floppy disks:
1. Insert disk 1 into a 3-1/2-inch floppy drive.
2. Select the 3-1/2-inch drive using My Computer or File Manager. Execute setup.exe which prompts you
to enter a temporary directory to extract all files. Follow the instructions of the extractor program, which
prompts you to insert more disks.
3. In the temporary directory you selected, open the archive TI USB DRVRS.zip and extract its contents
in a subdirectory/drivers. Choose preserve directory structure option when extracting.
4. Plug the EV2300 into a USB port.
5. Wait until system prompt new hardware found appears. Chose select location manually and use the
Browse button to point to subdirectory TIUSBWin2K- XP-1.
6. Answer continue to the warning that drivers are not certified with Microsoft.
7. After installation finishes, another system prompt new hardware found appears. Repeat procedure
above, but point to subdirectory TIUSBWin2K-XP-2
8. Answer continue to the warning that drivers are not certified with Microsoft. Installation of drivers is
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now finished.
9. In case of Windows 98, point to directory TIUSBWin98.
10. Return to the temporary directory where you extracted files; double-click on the Setup.exe icon to
install EV Software.
If files were delivered on a CD, copy all files to a temporary directory and follow the preceding steps 3−10.
1. Open the archive containing the installation package and copy its contents in a temporary directory.
2. Follow the preceding steps 3−10.
5.3
HARDWARE CONNECTION
The bq2084EVM-001 comprises three hardware components: the bq2084/bq29312/bq29401 circuit
module, the EV2300 PC interface board, and the PC.
5.3.1
CONNECTING THE BQ2084/BQ29312/BQ29401 CIRCUIT MODULE TO A BATTERY PACK
Figure 9 shows how to connect the bq2084/bq29312/bq29401 circuit module to the cells and system
load/charger.
The cells should be connected in the following order.
1. 4-Cell Pack: 1N (BAT−), 4P (BAT+), 1P, 2P, and then 3P. (see section 2.1 for definitions)
2. 3-Cell Pack: 1N (BAT−), 4P (BAT+), 1P, 2P, and then connect 4P and 3P together.
3. 2−Cell Pack: 1N (BAT−), 4P (BAT+), 1P, and then connect 4P, 3P, and 2P together
To start charge or discharge test, connect SYS PRES pin to PACK– pin to set SYS PRES state. To test
sleep mode, disconnect SYS PRES pin.
Load/Charge
EV2300
+
−
SMBD
SMBC
VSS
+
−
Figure 9. bq2084/bq29312 Circuit Module Connection to Cells and System Load/Charger
5.3.2
PC INTERFACE CONNECTION
The following steps configure the hardware for interface to the PC:
1. Connect the bq2084/bq29312-based smart battery to the EV2300 using wire leads as shown in
Table 5.
Table 5. Circuit Module to EV2300 Connections
12
bq2084/bq29312
BASED BATTERY
EV2300
SMBD
SMBD/HDQ1
SMBC
SMBC/HDQ2
VSS
VSS
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2. Connect the PC USB cable to the EV2300 and the PC USB port.
The bq2084EVM-001 is now set up for operation.
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OPERATION
6
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OPERATION
This chapter details the operation of the bq2084 EVSW software.
6.1
STARTING THE PROGRAM
Run bq2084 EVSW from the Start | Programs | Texas Instruments | bq2084 EVSW menu sequence. The
SBS Data screen appears. Data begins to appear as the indicator scans down the screen, as seen in the
field Charging Current of Figure 10. To disable the scan feature, select |Options |Scan| Off|.
Figure 10. SBS Data Screen
This screen shows the SBS data set along with additional ManufacturersAccess() command information
such as individual cell measurements. Static data is shown in a box at the bottom right which, by clicking
on the Status… button, changes to show the status bits of the bq2084 and bq29312.
Figure 11. SBS Data Screen - Status Bit Window
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SBS Data can be logged for further evaluation by using the File | Start Data Log menu options. Then enter
the desired file name and click on |OK|. An example of a data log file is shown in Table 6−1. To stop the
data log, follow the same sequence. The logging period can be changed via | Options | Set Logging
Options |.
Table 6. Example Log File
10/6/2003 17:01
Design Capacity:
Design Voltage:
Specification Info:
Mfg Date (yyy−mm−dd):
Serial Number:
Mfr Name:
Device Name:
Device Chemistry:
7200
14400
31
2003−07−01
1
Texas Instruments
bq2084
LION
Table 7. Example Log File (1)
Sample
Stamp
Elapsed
(s)
Mf
Access
Rm
Cap
Aln
Rm
Time
Air
BattMode
@Rate
@RateFul
@Rate
Emp
@Rate
OK
Temp
Volt
Current
AvgCurr
1
5:01:53
1
0
360
10
181
0
65535
65535
1
23.95
16266
0
0
2
5:01:55
2
0
360
10
181
0
65535
65535
1
23.95
16266
0
0
4
5:01:56
4
0
360
10
181
0
65535
65535
1
23.95
16267
0
0
5
5:01:57
5
0
360
10
181
0
65535
65535
1
23.95
16267
0
0
6
5:01:58
6
0
360
10
181
0
65535
65535
1
23.95
16267
0
0
7
5:01:59
7
0
360
10
181
0
65535
65535
1
23.95
16266
0
0
8
5:02:00
8
0
360
10
181
0
65535
65535
1
23.95
16266
0
0
9
5:02:01
9
0
360
10
181
0
65535
65535
1
23.95
16266
0
0
10
5:02:02
10
0
360
10
181
0
65535
65535
1
23.95
16266
0
0
11
5:02:03
11
0
360
10
181
0
65535
65535
1
23.95
16266
0
0
12
5:02:04
12
0
360
10
181
0
65535
65535
1
23.95
16266
0
0
(1)
6.2
This is a reduced version of the log file; in addition to the data shown here, Max Error, RSOC, ASOC, RemCap, FCC,
RT−Empty, AvTm2Emp, AvTm2Ful, ChgCurr, ChgVlt, Batstat, CyclCnt, PackStat, PackConf, Cell_V_1, Cell_V_2, Cell_V_3,
Cell_V_4, CEDV, AFE Sts are also logged.
SETTING PROGRAMMABLE bq2084 and bq29312 OPTIONS
The bq2084 data flash comes configured per the default settings detailed in the bq2084 data sheet.
Ensure that the settings are correctly changed to match the pack and application for the bq2084/bq29312
solution being evaluated.
IMPORTANT: The correct setting of these options is essential to get the best performance.
The settings can be configured using the Data Flash screen.
SLUU184B – November 2005 – Revised October 2013
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bq2084EVM-001 SBS 1.1 Battery Management Solution Evaluation Module
Copyright © 2005–2013, Texas Instruments Incorporated
15
OPERATION
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AFE
Configuration
Data
Calibration
Data
Figure 12. Data Flash Screen, AFE Configuration, and Module Calibration Locations
To read all the data from the bq2084 data flash, click on the | Read All | button. To only read a selected
location, click on the desired location and the | Read Selected Location | button is activated. When this
button is clicked, the data is read and the screen updated.
The same procedure can be followed for writing all the data flash or just a specific location.
The data flash configuration can be saved to a file by selecting | File | Save gas gauge constants |, and
entering a file name. A data flash file can also be retrieved in this way and written to the bq2084 using the
| Write All | button.
If the calibration data already in the bq2084 is required to be preserved, use the | Write All – Preserve
Calibration | button.
The configuration information of the bq29312 and module calibration data is also held in the bq2084 data
flash as highlighted in Figure 13.
6.3
CALIBRATION OF A bq2084/bq29312/bq29401-BASED MODULE USING THE EV230084 SOFTWARE
Part of the calibration data is a board offset parameter. The EV2300-84 software allows the board offset to
be measured. An average of several modules should be taken, and then this value entered in all like
modules.
The calibration screen offers a simple-to-use interface for this procedure.
Follow the on-screen instructions as shown in Figure 13. Click |Start| to begin the test, and additional
instructions appear for that particular calibration procedure until it is complete.
16
bq2084EVM-001 SBS 1.1 Battery Management Solution Evaluation Module
SLUU184B – November 2005 – Revised October 2013
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Copyright © 2005–2013, Texas Instruments Incorporated
OPERATION
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Figure 13. Calibration Screen
SLUU184B – November 2005 – Revised October 2013
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bq2084EVM-001 SBS 1.1 Battery Management Solution Evaluation Module
Copyright © 2005–2013, Texas Instruments Incorporated
17
OPERATION
6.4
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DIRECT ACCESS COMMUNICATION
The bq2084 allows access to the various internal registers through the Pro Screen. Here, individual byte
or block reads and block writes can be performed.
Figure 14. Pro Screen
18
bq2084EVM-001 SBS 1.1 Battery Management Solution Evaluation Module
SLUU184B – November 2005 – Revised October 2013
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Copyright © 2005–2013, Texas Instruments Incorporated
EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS
Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions:
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.
Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days from
the date of delivery for a full refund. THE FOREGOING LIMITED 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. 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.
Please read the User's Guide and, specifically, the Warnings and Restrictions notice in the User's Guide prior to handling the product. This
notice contains important safety information about temperatures and voltages. For additional information on TI's environmental and/or safety
programs, please visit www.ti.com/esh or contact TI.
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. 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.
REGULATORY COMPLIANCE INFORMATION
As noted in the EVM User’s Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be subject to the Federal
Communications Commission (FCC) and Industry Canada (IC) rules.
For EVMs not subject to the above rules, this evaluation board/kit/module 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 or ICES-003 rules, which are designed to provide reasonable protection against radio frequency
interference. Operation of the equipment 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.
General Statement for EVMs including a radio
User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally allocated frequency and
power limits. Any use of radio frequencies and/or power availability of this EVM and its development application(s) must comply with local
laws governing radio spectrum allocation and power limits for this evaluation module. It is the user’s sole responsibility to only operate this
radio in legally acceptable frequency space and within legally mandated power limitations. Any exceptions to this are strictly prohibited and
unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory
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For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant
Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the
equipment.
FCC Interference Statement for Class A EVM devices
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the interference at his own expense.
FCC Interference Statement for Class B EVM devices
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
For EVMs annotated as IC – INDUSTRY CANADA Compliant
This Class A or B digital apparatus complies with Canadian ICES-003.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
Concerning EVMs including radio transmitters
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this
device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired
operation of the device.
Concerning EVMs including detachable antennas
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain
approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum
permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain
greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada.
Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de
l'utilisateur pour actionner l'équipement.
Concernant les EVMs avec appareils radio
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est
autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout
brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain
maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à
l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel
d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans
cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
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【Important Notice for Users of EVMs for RF Products in Japan】
】
This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan
If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product:
1.
2.
3.
Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,
Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this
product, or
Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with
respect to this product. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note
that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan.
Texas Instruments Japan Limited
(address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan
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【無線電波を送信する製品の開発キットをお使いになる際の注意事項】
本開発キットは技術基準適合証明を受けておりません。
本製品のご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。
1.
2.
3.
電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。
実験局の免許を取得後ご使用いただく。
技術基準適合証明を取得後ご使用いただく。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。
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EVALUATION BOARD/KIT/MODULE (EVM)
WARNINGS, RESTRICTIONS AND DISCLAIMERS
For Feasibility Evaluation Only, in Laboratory/Development Environments. Unless otherwise indicated, this EVM is not a finished
electrical equipment and not intended for consumer use. It is intended solely for use for preliminary feasibility evaluation in
laboratory/development environments by technically qualified electronics experts who are familiar with the dangers and application risks
associated with handling electrical mechanical components, systems and subsystems. It should not be used as all or part of a finished end
product.
Your Sole Responsibility and Risk. You acknowledge, represent and agree that:
1.
2.
3.
4.
You have unique knowledge concerning Federal, State and local regulatory requirements (including but not limited to Food and Drug
Administration regulations, if applicable) which relate to your products and which relate to your use (and/or that of your employees,
affiliates, contractors or designees) of the EVM for evaluation, testing and other purposes.
You have full and exclusive responsibility to assure the safety and compliance of your products with all such laws and other applicable
regulatory requirements, and also to assure the safety of any activities to be conducted by you and/or your employees, affiliates,
contractors or designees, using the EVM. Further, you are responsible to assure that any interfaces (electronic and/or mechanical)
between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to
minimize the risk of electrical shock hazard.
Since the EVM is not a completed product, it may not meet all applicable regulatory and safety compliance standards (such as UL,
CSA, VDE, CE, RoHS and WEEE) which may normally be associated with similar items. You assume full responsibility to determine
and/or assure compliance with any such standards and related certifications as may be applicable. You will employ reasonable
safeguards to ensure that your use of the EVM will not result in any property damage, injury or death, even if the EVM should fail to
perform as described or expected.
You will take care of proper disposal and recycling of the EVM’s electronic components and packing materials.
Certain Instructions. It is important to operate this EVM within TI’s recommended specifications and environmental considerations per the
user guidelines. Exceeding the specified EVM ratings (including but not limited to input and output voltage, current, power, and
environmental ranges) may cause property damage, personal injury or death. If there are questions concerning these ratings please contact
a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the
specified output range may result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or
interface electronics. 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 60°C as long as the input and output are maintained at a normal ambient operating temperature. These components include
but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors which can be identified using the
EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during normal operation, please
be aware that these devices may be very warm to the touch. As with all electronic evaluation tools, only qualified personnel knowledgeable
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arise under law of tort or contract or any other legal theory, and even if the EVM fails to perform as described or expected.
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