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Texas Instruments bq76200 User Manual Download Page 14

4

7,8

1,2,3

5,6,

Q4

4

7,8

1,2,3

5,6,

Q3

J4

J1

J2

J5

VDDCP

1

BAT

2

NC

3

CHG_EN

4

CP_EN

5

DSG_EN

6

PMON_EN

7

PCHG_EN

8

VSS

9

PACKDIV

10

PACK

11

DSG

12

NC

13

PCHG

14

NC

15

CHG

16

U1

BQ76200PW

1

2

3

4

5

6

7

8

9

10

11

12

13

14

J7

D1

0.1µF

C3

0.1µF

C4

0.1µF

C1

0.1µF

C2

Q5

DNP

Q6

DNP

11.3k

25 ppm/C

R36

10.0Meg

R31

DNP

10.0Meg

R32

DNP

10.0Meg

R33

DNP

10.0Meg

R34

DNP

10.0Meg

R35

DNP

10.0k

R11

10.0k

R12

10.0k

R13

10.0k

R14

10.0k

R15

0.01µF

C8

0.47µF

C6

300k

25 ppm/C

R26

100

R10

10.0Meg

R9

10.0Meg

R8

1.0k

R2

1.0k

R3

1.0k

R4

1.0k

R5

Q1

10.0Meg

R7

PACK-

PACK+

Output 10 - 70 V

15A max

BATSR-

BATT+

Input 10 - 70 V

D3

5.1V

D4

J6

100k

R6

0.01µF

C7

0.1µF

C5

100

R16

GND

GND

GND

GND

GND

1.00k

R1

J3

0

R17

0

R18

0

R19

GND

GND

GND

Manual

D2

DNP

Operation

GND

Q7

DNP

Q8

DNP

Q2

DNP

TP7

TP9

TP8

TP10

TP11

TP12

TP13

TP2

TP4

TP5

TP1

TP14

TP15

TP16

TP3

TP6

E1

GND

GND

GND

TP17

GND

1.00k

R20

39.2k

R21

39.2k

R23

39.2k

R25

39.2k

R28

39.2k

R30

D5

D6

D7

D8

D9

D10

GND

1.00k

R22

1.00k

R24

1.00k

R27

1.00k

R29

GND

GND

GND

GND

CD

PGATE

BATT+

PACK+

PACK-

DGATE

CGATE

DSG
CHG
PCHG
CPEN
PMON
DIVP

Local

5
4

1

2

3

6

7

J8

Circuit Module Physical Layouts

www.ti.com

5.2

Schematic

Figure 13

shows the bq76200EVM schematic.

Figure 13. bq76200EVM Schematic

14

bq76200 High Voltage Battery Pack Front-End Charge/Discharge High-Side

SLVU926 – July 2015

NFET Driver Evaluation Module

Submit Documentation Feedback

Copyright © 2015, Texas Instruments Incorporated

           

Summary of Contents for bq76200

Page 1: ...nts 4 1 2 Ordering Information 4 1 3 Documentation 4 1 4 bq76200 Circuit Module Performance Specification Summary 4 2 bq76200EVM Quick Start Guide 4 2 1 Before You Begin 4 2 2 Items Needed for EVM Quick Start Evaluation 5 2 3 EVM Connections 5 2 4 Quick Start Sequence 6 3 Additional Evaluation Setups 7 3 1 Operation With Charge and Discharge Currents 7 3 2 Connecting to a BMS System 7 3 3 Connecti...

Page 2: ...m Layer 13 13 bq76200EVM Schematic 14 List of Tables 1 Performance Specification Summary 4 2 bq76200EVM Bill of Materials 15 2 bq76200 High Voltage Battery Pack Front End Charge Discharge High Side SLVU926 July 2015 NFET Driver Evaluation Module Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated ...

Page 3: ...ess 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 located within a protected Emergency Power Off EPO protected power strip e Use a stable and non conductive work surface f Use adequately insulated clamps and wires to attach measurement probes and instru...

Page 4: ... 30 o C 2 bq76200EVM Quick Start Guide This section provides the step by step procedures required to use a new EVM and configure it for operation in a laboratory environment 2 1 Before You Begin The following warnings and cautions are noted for the safety of anyone using or working close to the bq76200 EVM Observe all safety precautions Warning Warning Hot surface Contact may cause burns Do not to...

Page 5: ... does not contain current or voltage thresholds for circuit protection It must be used by qualified personnel with additional equipment for evaluation only 2 2 Items Needed for EVM Quick Start Evaluation bq76200 circuit module A DC power supply that can provide 10 V and 1 A minimum a voltage range bipolar operation and constant current constant voltage capability is desirable A load such as a 100 ...

Page 6: ...eps describe a simple demonstration or check of the operation of the bq76200EVM 1 Connect a 100 kΩ resistor to the PACK terminals 2 Confirm shunts are in place on J3 J6 and J7 at the PMON CPEN PCHG CHG and DSG positions 3 Connect a 10 V power supply across the BATT and BATSR terminals 4 Enable the supply 5 Measure the voltage on the pack terminals Observe this is approximately 10 V 6 Remove the sh...

Page 7: ...e the control signals for the bq76200 a concept is shown in Figure 3 The J7 header or J8 terminal block may be useful to connect signals to the bq76200 EVM refer to the documentation for the BMS board to determine where to connect and how to interface the signals Ensure that the BMS settings are correctly changed to match the pack and application for the solution being evaluated and the bq76200 EV...

Page 8: ...lled but provide an appropriate ground for the system Figure 4 Operation With a MCU 3 4 Troubleshooting If the bq76200 does not appear to be operating check the BATT and enable voltages BATT must be in the range of the board and the BAT test point in the range of the IC as shown in the data sheet Check that the board ground is appropriately connected to the system supply ground With the CP_EN volt...

Page 9: ...ks HS10 and HS11 shown in the bill of materials The flat areas of the back of the board may be used for adhesive mount heatsinks if appropriate 4 3 PACK Transient Pattern D2 is a pattern for a TVS on the pack if desired 4 4 Input Limit Circuit The bq76200 EVM contains zener diodes and resistors on the inputs These may limit the voltage to the control input pins if multiple pins on the IC are short...

Page 10: ...cuit module 5 1 Board Layout This section shows the PCB layers and assembly drawing for the bq76200 module see Figure 5 through Figure 12 Figure 5 Top Silk Screen Figure 6 Bottom Silk Screen 10 bq76200 High Voltage Battery Pack Front End Charge Discharge High Side SLVU926 July 2015 NFET Driver Evaluation Module Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated ...

Page 11: ...Figure 7 Top Assembly Figure 8 Bottom Assembly 11 SLVU926 July 2015 bq76200 High Voltage Battery Pack Front End Charge Discharge High Side NFET Driver Evaluation Module Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated ...

Page 12: ... Figure 9 Top Layer Figure 10 Internal Layer 1 12 bq76200 High Voltage Battery Pack Front End Charge Discharge High Side SLVU926 July 2015 NFET Driver Evaluation Module Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated ...

Page 13: ...igure 11 Internal Layer 2 Figure 12 Bottom Layer 13 SLVU926 July 2015 bq76200 High Voltage Battery Pack Front End Charge Discharge High Side NFET Driver Evaluation Module Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated ...

Page 14: ... 1V D4 J6 100k R6 0 01µF C7 0 1µF C5 100 R16 GND GND GND GND GND 1 00k R1 J3 0 R17 0 R18 0 R19 GND GND GND Manual D2 DNP Operation GND Q7 DNP Q8 DNP Q2 DNP TP7 TP9 TP8 TP10 TP11 TP12 TP13 TP2 TP4 TP5 TP1 TP14 TP15 TP16 TP3 TP6 E1 GND GND GND TP17 GND 1 00k R20 39 2k R21 39 2k R23 39 2k R25 39 2k R28 39 2k R30 D5 D6 D7 D8 D9 D10 GND 1 00k R22 1 00k R24 1 00k R27 1 00k R29 GND GND GND GND CD PGATE B...

Page 15: ...50 W x 0 200 H PCB Label 0 650 H x THT 14 423 10 Brady 10 000 per roll 0 200 W Q1 1 100V MOSFET P CH 100V 0 6A SOT 23 SOT 23 ZXMP10A13FTA Diodes Inc None Q3 Q4 2 100V MOSFET N CH 100V 16A SON 5x6mm SON 5x6mm CSD19531Q5A Texas Instruments None R1 R20 R22 6 1 00k RES 1 00k ohm 1 0 1W 0603 0603 CRCW06031K00FKEA Vishay Dale R24 R27 R29 R2 R3 R4 R5 4 1 0k RES 1 0k ohm 5 1W 2512 2512 ERJ 1TYJ102U Panaso...

Page 16: ...4 0 Machine Screw Round 4 40 x 1 4 Nylon Philips panhead Screw NY PMS 440 0025 PH B F Fastener Supply H9 0 HEATSINK DC DC HALF BRICK VERT DC DC Half Brick 518 95AB Wakefield Solutions Vertical Heat Sink H10 H11 0 Heatsink DDPAK TO 263 SMT Heatsink DDPAk 573300D00010G Aavid Q2 0 60V MOSFET P CH 60V 19A DPAK DPAK SUD19P06 60L Vishay Siliconix None Q5 Q6 0 100V MOSFET N CH 100V 18A DDPAK DDPAK AOB290...

Page 17: ...ring the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warranted for the remainder of the original warranty period Replaced EVMs shall be warranted for a new full ninety 90 day warranty period 3 ...

Page 18: ... 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 Concernant les EVMs avec antennes détachables Conformément à la rég...

Page 19: ... 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 even with the inputs and outputs kept within the specified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors cu...

Page 20: ...F REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED 8 2 Specific Limitations IN NO EVENT SHALL T...

Page 21: ...esponsible 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 information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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