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Texas Instruments bq76930 User Manual Download Page 55

1/22/2014

Mod. Date:

Designed for:

Public Release

DSG

1

CHG

2

VSS

3

SDA

4

SCL

5

TS1

6

CAP1

7

REGOUT

8

REGSRC

9

VC5X

10

NC

11

NC

12

TS2

13

CAP2

14

VC10X

15

NC

16

NC

17

TS3

18

CAP3

19

BAT

20

NC

21

NC

22

NC

23

VC15

24

VC14

25

VC13

26

VC12

27

VC11

28

VC10B

29

VC10

30

VC9

31

VC8

32

VC7

33

VC6

34

VC5B

35

VC5

36

VC4

37

VC3

38

VC2

39

VC1

40

VC0

41

SRP

42

SRN

43

ALERT

44

U1

BQ7694000DBT

1µF

C18

1µF

C9

1.00k

R31

1.00k

R21

4.7µF

C27

TP27

DNP

100

R44

100

R46

100

R45

100

R47

499k

R42

4

1
2
3

J8

22-05-3041

10.0k

R49

10.0k

R48

1
2

J7

PEC02SAAN

1
2

J6

PEC02SAAN

GND

GND

GND

1µF

C21

GND

10.0k ohm

t°

RT1

4700pF

C26

GND

GND

TP36

DNP

TP35

DNP

TP34

DNP

BATT-

E3

E4

BATT-

1
2

3
4

S1

4-1437565-1

3.01k

R43

5.6V

D25

5.6V

D26

C5
C4
C3

C1
C0

SCL pull up

SDA pull up

5

4

1
2
3

6
7
8
9
10
11

J5

395021011

C2

C6

C7

C8

C9

C10

100

R19

1µF

C19

GND

100

R18

1.00k

R30

5.6V

D14

10.0k

R40

1µF

C17

100

R17

1.00k

R29

5.6V

D13

10.0k

R39

1µF

C16

100

R16

1.00k

R28

5.6V

D12

10.0k

R38

1µF

C15

100

R15

1.00k

R27

5.6V

D11

10.0k

R37

1µF

C14

100

R14

1.00k

R26

5.6V

D10

10.0k

R36

1µF

C13

100

R13

1.00k

R25

5.6V

D9

10.0k

R35

1µF

C12

100

R12

1.00k

R24

5.6V

D8

10.0k

R34

1µF

C11

100

R11

1.00k

R23

5.6V

D7

10.0k

R33

1µF

C10

100

R10

1.00k

R22

5.6V

D6

10.0k

R32

TP26

DNP

TP25

DNP

TP24

DNP

TP23

DNP

TP22

DNP

TP21

DNP

10.0k ohm

t°

RT2

4700pF

C25

10.0k ohm

t°

RT3

4700pF

C24

1µF

C23

1µF

C22

1.00k

R20

1µF

C8

0.8V

D20

BAT54T1G

DNP

0.8V

D21

BAT54T1G

DNP

0.8V

D19

BAT54T1G

DNP

0.8V

D18

BAT54T1G

DNP

0.8V

D17

BAT54T1G

DNP

0.8V

D16

BAT54T1G

DNP

TP20

DNP

TP19

DNP

TP18

DNP

TP17

DNP

TP16

DNP

TP15

DNP

TP33

DNP

TP30

DNP

TP32

DNP

TP29

DNP

TP31

DNP

TP28

DNP

C10

C9

C8

C7

C6

C5

C4

C3

C2

C1

C0

2

1

6

20V

Q6A
FDY1002PZ

5

4

3

20V

Q6B
FDY1002PZ

2

1

6

20V

Q7A
FDY1002PZ

5

4

3

20V

Q7B
FDY1002PZ

2

1

6

20V

Q8A
FDY1002PZ

5

4

3

20V

Q8B
FDY1002PZ

2

1

6

20V

Q9A
FDY1002PZ

5

4

3

20V

Q9B
FDY1002PZ

2

1

6

20V

Q10A
FDY1002PZ

5

4

3

20V

Q10B
FDY1002PZ

5.6V

D15

10.0k

R41

100V

D24

100V

D23

100V

D22

470pF

C20

DNP

I2C

C0

ALERT

SRN

SRP

VC10B

VC11

VC12

VC13

VC14

VC15

BAT

REGSRC

CHG
DSG

VC10X

CAP1

REGOUT

SCL

SDA

C1

C1

C2

C3

C4

C5

C7
C6

C8

C9

C10

VC5X

VC5X

VC5X

www.ti.com

Circuit Module Physical Construction

Figure 34. bq76940EVM Schematic Diagram AFE1

55

SLVU925B – April 2014 – Revised July 2014

bq76930 and bq76940 Evaluation Module User's Guide

Submit Documentation Feedback

Copyright © 2014, Texas Instruments Incorporated

Summary of Contents for bq76930

Page 1: ...bq76930 and bq76940 Evaluation Module User s Guide Literature Number SLVU925B April 2014 Revised July 2014...

Page 2: ...bqStudio Operation 18 5 5 Firmware Programming 20 5 6 Data Memory Configuration 22 5 7 Chemistry View 23 5 8 Calibration 24 5 9 Device Control 26 6 bq769x0 Circuit Module Use 26 6 1 Cell Simulator 26...

Page 3: ...Top Silk Screen 32 19 Top Layer 33 20 Layer 2 34 21 Layer 3 35 22 Bottom Layer 36 23 Bottom Silk Screen 37 24 bq76930EVM Top Assembly 38 25 bq76930EVM Bottom Assembly 39 26 bq76930EVM Schematic Diagr...

Page 4: ...ication Summary 7 3 Reducing Cell Count 28 4 bq76930EVM Circuit Module Bill of Materials 40 5 bq76940EVM Circuit Module Bill of Materials 51 4 List of Tables SLVU925B April 2014 Revised July 2014 Subm...

Page 5: ...s d All interface circuits power supplies evaluation modules instruments meters scopes and other related apparatus used in a development environment exceeding 50 VRMS 75 VDC must be electrically locat...

Page 6: ...ted circuit module for 10 cell or 15 cell configuration for quick setup Power connections available on screw terminals Communication signals available on 4 pin connector Resistor cell simulator for qu...

Page 7: ...gs and cautions are noted for the safety of anyone using or working close to the bq76920 EVM Observe all safety precautions Warning Warning Hot surface Contact may cause burns Do not touch Caution Do...

Page 8: ...ecting the AFE to the gauge 4 If the EV2300 is used install shunts on the SCL and SDA pull up headers Remove any pull up shunts when using the EV2400 5 Close all dip switch positions default is closed...

Page 9: ...mporary location on your computer 4 Install 4 shunts on the J14 header connecting the AFE to the gauge SCL SDA REGOUT and ALERT 5 Install shunts on the SCL and SDA pull up headers 6 Install shunts on...

Page 10: ...ET_EN bit is now set and that the CHG and DSG FET status is shown enabled 22 Select the Calibration bq78350 view 23 Enter the board temperature in the Temperature Sensor boxes and click on the Calibra...

Page 11: ...ort power_management battery_management m videos__files 458983 aspx or http www ti com tool ev2300 To install the drivers 1 Navigate to the installation directory typically C Program Files x86 Texas I...

Page 12: ...The interface adapter should not be connected to the I2C connector if a gauge or MCU is connected to the bus Board pull up shunts must be installed for the EV2300 and removed for the EV2400 4 4 Softw...

Page 13: ...to read the device CRC read from device does not match calculated CRC Check that the Read Device button was used to detect the device Check the connection of the 4 pin cable or its routing near high...

Page 14: ...gisters View The Read Device button at the top of the Registers view provides important setup of the bq76940 bq76930 bq76920 software and the IC The software reads the factory gain and offset data fro...

Page 15: ...en checked The update interval is displayed and can be changed with the Change Interval button The Logging section has the Start Logging button The values read from the device can be saved to a file S...

Page 16: ...Sequence button on the left side of the window or from the menu A sequence can be run by selecting its Execute button The results of the sequence are shown in the Sequence Dialog section The sequence...

Page 17: ...uired do not move them from the directory Typical uses of a sequence might include Reading clearing faults then enabling CHG and DSG outputs Setting ship mode Setting a balance pattern Any repetitive...

Page 18: ...uct bq78350 or search from power ti com Check periodically for software updates Use the following steps to install the bqStudio software 1 Copy the archive file to a directory of your choice extract a...

Page 19: ...dio popup window will indicate a free adapter is not available Acknowledge the message to proceed Errors will appear in the left bottom border of the Battery Management Studio screen Correct the probl...

Page 20: ...owse button and select the file to be programmed Using the Execute after programming feature is recommended Click on the Program button to start programming A Progress Information window will display...

Page 21: ...is the same as the version previously selected in the Target Selection Wizard no change may be apparent but restarting to allow tool configuration is still recommended Figure 10 Dashboard Adapter and...

Page 22: ...that must typically be changed with the EVM The AFE Cell Map is a physical location of the cells Refer to the bq78350 TRM SLUUAN7 for information on this and other configuration parameters Data Memor...

Page 23: ...ta Memory parameter but by using the Chemistry view Loading the chemistry is not required for simple operation of the EVM but will be desired for setup of the board or a part for operation with cells...

Page 24: ...he calibration Values left blank or entered as 0 are not calibrated When successful a green check appears next to the button as shown in Figure 15 If there is an error a red X appears instead with a m...

Page 25: ...Figure 14 Calibration View Figure 15 Example Voltage Calibration Successful 25 SLVU925B April 2014 Revised July 2014 bq76930 and bq76940 Evaluation Module User s Guide Submit Documentation Feedback C...

Page 26: ...3 on the bq76940EVM Other components provide support for the IC and connections to the board Basic operation is described in the quick start guide For details of the circuit refer to the physical con...

Page 27: ...If modified for low voltage operation do not operate the board at its normal upper voltage limit Operation of the board with voltages outside the operating range of the components on the board can dam...

Page 28: ...provides a signal path to the used input For the best evaluation with reduced cells in a transient environment short the VCx pins at the capacitor or VCx test points and remove the unused cell s inpu...

Page 29: ...e as cells are connected If desired the cell simulator switches can be closed during cell connection and opened after cell connection The switches must be opened after connection of cells or the cells...

Page 30: ...uppression component D16 to D21 and D32 to D37 are patterns for Schottky diodes When the battery is short circuited the cell voltages will drop and the inputs are pulled below the group power referenc...

Page 31: ...y connection with cell connections on the left side to a terminal block and high current screw terminals Control connections are on the left top Pack terminals are on the right side using screw termin...

Page 32: ...al Construction www ti com Figure 18 Top Silk Screen 32 bq76930 and bq76940 Evaluation Module User s Guide SLVU925B April 2014 Revised July 2014 Submit Documentation Feedback Copyright 2014 Texas Inst...

Page 33: ...Module Physical Construction Figure 19 Top Layer 33 SLVU925B April 2014 Revised July 2014 bq76930 and bq76940 Evaluation Module User s Guide Submit Documentation Feedback Copyright 2014 Texas Instrum...

Page 34: ...ysical Construction www ti com Figure 20 Layer 2 34 bq76930 and bq76940 Evaluation Module User s Guide SLVU925B April 2014 Revised July 2014 Submit Documentation Feedback Copyright 2014 Texas Instrume...

Page 35: ...t Module Physical Construction Figure 21 Layer 3 35 SLVU925B April 2014 Revised July 2014 bq76930 and bq76940 Evaluation Module User s Guide Submit Documentation Feedback Copyright 2014 Texas Instrume...

Page 36: ...ical Construction www ti com Figure 22 Bottom Layer 36 bq76930 and bq76940 Evaluation Module User s Guide SLVU925B April 2014 Revised July 2014 Submit Documentation Feedback Copyright 2014 Texas Instr...

Page 37: ...ule Physical Construction Figure 23 Bottom Silk Screen 37 SLVU925B April 2014 Revised July 2014 bq76930 and bq76940 Evaluation Module User s Guide Submit Documentation Feedback Copyright 2014 Texas In...

Page 38: ...The bq7693000 is aligned with pin 1 of the U1 board pattern Components to support the upper cells are not installed Figure 24 and Figure 25 show the bq76930EVM assembly Figure 24 bq76930EVM Top Assemb...

Page 39: ...Physical Construction Figure 25 bq76930EVM Bottom Assembly 39 SLVU925B April 2014 Revised July 2014 bq76930 and bq76940 Evaluation Module User s Guide Submit Documentation Feedback Copyright 2014 Texa...

Page 40: ...SOD 323 MMSZ5232BS 7 F Diodes Inc D13 D14 D15 D25 D26 D43 D44 D53 D54 D48 D49 D50 D51 D52 5 Green LED Green SMD 1 6x0 8x0 8mm LTST C190GKT Lite On D55 1 Orange LED Orange SMD 1 6x0 8x0 8mm LTST C190K...

Page 41: ...99KFKEA Vishay Dale R43 1 3 01k RES 3 01k ohm 1 0 125W 0805 0805 CRCW08053K01FKEA Vishay Dale R75 R78 R101 R103 R107 6 100k RES 100k ohm 1 0 125W 0805 0805 CRCW0805100KFKEA Vishay Dale R109 R77 R129 R...

Page 42: ...G ON Semiconductor D38 D39 D40 D42 0 Diode TVS Uni 30V 600W SMB SMB SMBJ30A 13 F Diodes Inc HS1 HS2 HS3 HS4 0 Heatsink DDPAK TO 263 SMT Heatsink DDPAk 573300D00010G Aavid J9 0 Header 3 5mm 5POS R A TH...

Page 43: ...4 mm Disc 5x8 4 mm 103AT 2 SEMITEC Corporation TP1 0 Black Test Point TH Multipurpose Black Keystone5011 5011 Keystone TP2 TP14 0 Red Test Point TH Multipurpose Red Keystone5010 5010 Keystone TP7 TP8...

Page 44: ...S4 573300D00010G DNP 45V D1 SMCJ45A BATT BATT 1 J1 8199 1 J2 8199 1 J3 8199 1 J4 8199 100V Q5 ZXMP10A13FTA NT1 Net Tie GND CHG CHG DSG C0 BATT SRP SRN PFD PACK 0 66V or 0 44V 15A Input 0 66V or 0 44V...

Page 45: ...6V D7 10 0k R33 1 F C10 100 R10 1 00k R22 5 6V D6 10 0k R32 TP26 DNP TP25 DNP TP24 DNP TP23 DNP TP22 DNP TP21 DNP 10 0k ohm t RT2 4700pF C25 10 0k ohm t RT3 DNP 4700pF C24 DNP 1 F C23 1 F C22 DNP 1 0...

Page 46: ...F C34 D38 SMBJ30A 13 F DNP 10 F C35 D39 SMBJ30A 13 F DNP 1 00k R59 1 00k R57 DNP 100 R60 DNP BAT shunt 100 R61 VC10X shunt 100 R62 VC5X shunt GND GND TP49 100 R79 1 2 3 J10 DNP Test points 100k R74 DN...

Page 47: ...5 6V D43 5 6V D54 5 6V D53 TP60 DNP TP56 DNP KEYIN PRES 1 2 3 4 5 6 7 8 9 10 J14 PEC05DAAN GND GG_PWR 0 R85 DNP Q21 DNP TP59 AFE GG 100V Q17 BSS123 Alternate pattern for low voltage low current opera...

Page 48: ...F 49 9k R122 698 R121 0 R123 GND 100V Q22 BST82 215 1 2 3 4 5 6 13 14 15 16 7 12 8 9 10 11 S4 76SB08ST 1 2 3 4 5 6 13 14 15 16 17 18 7 12 8 9 10 11 S3 76SB09ST C14 BATT C15 C13 C12 C11 C10 C9 C8 C7 C6...

Page 49: ...bq76940EVM uses all 15 cells provided on the board Figure 31 and Figure 32 show the bq76940EVM assembly Figure 31 bq76940EVM Top Assembly 49 SLVU925B April 2014 Revised July 2014 bq76930 and bq76940...

Page 50: ...nstruction www ti com Figure 32 bq76940EVM Bottom Assembly 50 bq76930 and bq76940 Evaluation Module User s Guide SLVU925B April 2014 Revised July 2014 Submit Documentation Feedback Copyright 2014 Texa...

Page 51: ...10 D11 D12 D13 D14 21 5 6V Diode Zener 5 6V 200mW SOD 323 SOD 323 MMSZ5232BS 7 F Diodes Inc D15 D25 D26 D27 D28 D29 D30 D31 D43 D44 D53 D54 D48 D49 D50 D51 D52 5 Green LED Green SMD 1 6x0 8x0 8mm LTST...

Page 52: ...9 R30 R31 R57 R58 R59 R63 R64 R65 R66 R67 R68 R10 R11 R12 R13 R14 R15 R16 R17 15 100 RES 100 ohm 1 0 25W 1206 1206 CRCW1206100RFKEA Vishay Dale R18 R19 R52 R53 R54 R55 R56 R32 R33 R34 R35 R36 R37 R38...

Page 53: ...OD 123 SOD 123 BAT54T1G ON Semiconductor D38 D39 D40 D42 0 Diode TVS Uni 30V 600W SMB SMB SMBJ30A 13 F Diodes Inc HS1 HS2 HS3 HS4 0 Heatsink DDPAK TO 263 SMT Heatsink DDPAk 573300D00010G Aavid J10 0 H...

Page 54: ...t Module Physical Construction www ti com Table 5 bq76940EVM Circuit Module Bill of Materials continued Designator Qty Value Description Package Reference Part Number MFR Alt Part Number Alt MFR TP7 T...

Page 55: ...9 10 0k R35 1 F C12 100 R12 1 00k R24 5 6V D8 10 0k R34 1 F C11 100 R11 1 00k R23 5 6V D7 10 0k R33 1 F C10 100 R10 1 00k R22 5 6V D6 10 0k R32 TP26 DNP TP25 DNP TP24 DNP TP23 DNP TP22 DNP TP21 DNP 10...

Page 56: ...30A 13 F DNP 1 00k R59 1 00k R57 100 R60 BAT shunt 100 R61 VC10X shunt 100 R62 VC5X shunt GND GND TP49 100 R79 1 2 3 J10 DNP Test points 100k R74 DNP 100k R75 1 F C37 D42 SMBJ30A 13 F DNP GND TP39 TP3...

Page 57: ...5 6V D43 5 6V D54 5 6V D53 TP60 DNP TP56 DNP KEYIN PRES 1 2 3 4 5 6 7 8 9 10 J14 PEC05DAAN GND GG_PWR 0 R85 Q21 DNP TP59 AFE GG 100V Q17 BSS123 Alternate pattern for low voltage low current operation...

Page 58: ...698 R121 0 R123 DNP GND 100V Q22 BST82 215 1 2 3 4 5 6 13 14 15 16 7 12 8 9 10 11 S4 76SB08ST 1 2 3 4 5 6 13 14 15 16 17 18 7 12 8 9 10 11 S3 76SB09ST C14 BATT C15 C13 C12 C11 C10 C9 C8 C7 C6 C5 C4 C...

Page 59: ...nged Li Ion and Li Polymer to Li Ion and Phosphate in the first Features bullet 6 Changed 5 cell parallel FET to 10 or 15 cell in first sentence of the bq769x0 Circuit Module Performance Specification...

Page 60: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

Page 61: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ76930EVM BQ76940EVM...

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