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6.4 Schematic

Figure 6-9

 through 

Figure 6-11

 illustrate the schematics.

VSS

VSS

VSS

VSS

GND

SRP

SRN

5P

20.0

R4

TP15

100

R14

100

R15

100pF

C13

0.1uF

C19

TP8

0.001

R25

t°

RT1

100

R21

100

R23

VC4

VC3
VC2
VC1

SRP

SRN

TS1
TS2

PACK

DSG

PCHG

CHG

FUSE

NT1

BQ76922RSNT

BAT

1

VC5

2

VC4A

3

VC4B

4

VC3A

5

VC3B

6

VC2

7

VC1

8

VC0

9

VSS

10

SRP

11

SRN

12

TS1

13

TS2

14

REG18

15

ALERT

16

SCL

17

SDA

18

CFETOFF

19

DFETOFF

20

RST_SHUT

21

REG1

22

REGIN

23

BREG

24

FUSE

25

PDSG

26

PCHG

27

LD

28

PACK

29

DSG

30

CHG

31

CP1

32

PAD

33

U1

SDA

40V

D1

100

R1

1P

2P

3P

SDA2

4P

SCL2

TP19

TP20

BAT-

GND

20.0

R2

TP2

VSS

PDSG

VSS

VC0

VC5

1

2

3

4

5

6

7

8

J6

HDQ

REG1

EXTTS2

EALERT

10k

R11

10k

R12

1

3

2,

4 Q1

BCX5616TA

200

R3

2.2uF

C18

1uF

C16

BAT-

1P

2P

3P

4P

SCL

TP6

TP12

VSS

GND

TP16

0.47uF

C1

4

1

3

2

S1

0

R9

VSS

GND

TP17

VSS

GND

TP18

PGND

LD

1
2
3

J3

10k

R22

100k

R16

100k

R17

100k

R24

1

2

3

4

5

6

7

8

9

10

11

12

J4

TP10

TS1

TS2

SCL

SDA

TP14

TP13

HDQ

0.22uF

C4

20.0

R5

20.0

R6

20.0

R7

0.22uF

C5

0.22uF

C7

0.22uF

C8

0.22uF

C9

0.22uF

C10

20.0

R8

VSS

PGND

PACK-

SDA

SCL

4

1

2

3

J5

E2

E1

TS2

DFETOFF

ALERT

CFETOFF
RST-SHUT
REGIN
REG1
VSS

5

4

1
2
3

6
7
8

J2

1

2

U2

1

2

U3

EXTTS2
EALERT
EDFETOFF

VSS

REG1

ECFETOFF

CHG

DSG

PACK

LD

PCHG

PDSG

FUSE

VSS

VSS

0.01uF

C12

10k

R13

VSS

TP9

TP5

0.022uF

C11

VSS

TP7

REG1

TP11

100pF

C2

VSS

1uF

C3

VSS

TP4

TP1

Input

22V 10A

5P

5P

CD

10k

R18

10k

R19

REG1

WAKE

4

1

3

2

S2

10k

R20

REG1

1

2

3

4

5

6

7

8

9

1

0

J7

RESET

TP3

1

2

3

4

5

6

J1

BAT+

RST_SHUT
EREGIN

BREG

REGIN

DFETOFF

CFETOFF

40V

D2

0.01uF

C17

REG18

ALERT

CP1

BAT

BAT-

0.1uF

C14

0.1uF

C15

VSS

VSS

1uF

C6

VSS

10M

R10

VSS

Figure 6-9. Schematic Diagram Monitor

www.ti.com

BQ76922EVM Circuit Module Physical Construction

SLVU957A – SEPTEMBER 2019 – REVISED NOVEMBER 2021

Submit Document Feedback

BQ76922EVM Evaluation Module

29

Copyright © 2021 Texas Instruments Incorporated

Содержание BQ76922EVM

Страница 1: ...1 Kit Contents 3 1 2 Ordering Information 3 1 3 BQ76922EVM Circuit Module Performance Specification Summary 3 1 4 Required Equipment 3 2 BQ76922EVM Quick Start Guide 4 2 1 Before You Begin 4 2 2 Quick...

Страница 2: ...16 Figure 5 5 Example Connection with 4 Cells 17 Figure 5 6 Host Connection Concept 18 Figure 6 1 Top Silk Screen 20 Figure 6 2 Top Assembly 21 Figure 6 3 Top Layer 21 Figure 6 4 Layer 2 22 Figure 6 5...

Страница 3: ...le Performance Specification Summary This section summarizes the performance specifications of the BQ76922 circuit module in its default 5 cell series FET configuration Typical voltage depends on the...

Страница 4: ...potential of the EVM CAUTION Connections for rated current must be made at the terminal block Test points are not rated for the board current 2 2 Quick Start The BQ76922 registers must be configured t...

Страница 5: ...d the Pack pin voltage registers in the Registers section are approximately equal The SLEEPCHG bit is enabled by default if the SLEEP status is set CHG_FET will be off Click the SLEEP_DISABLE command...

Страница 6: ...DC Power Supply EV2400 I2C Install cell simulator shunts Position shunts to EXT Figure 3 1 EVM Connection with External EV2400 EV2400 versions 0 28 and newer are compatible with the on board interface...

Страница 7: ...oftware uses a bqz file to configure the displays for the BQ76922 device or family devices This is normally provided in the BQStudio installation If provided separately copy the bqz file to the config...

Страница 8: ...ursor is held over an item name The tool tip provides some description of the item The tool tip closes after approximately 30 seconds To avoid the tool tip display move the cursor to the value or unit...

Страница 9: ...ng sections Not all devices have all the tools described Multiple tools can be active at one time tools which use the center pane for display are shown as a tabs at the top of the center section These...

Страница 10: ...are enabled using the Enable_FETs command Enabling a protection and enabling the protection action on a FET are not sufficient the FETs must be enabled with the command BQStudio will enter and exit c...

Страница 11: ...m OTP Pane with Success Display 4 7 Calibration The calibration tool may not be available for all versions of devices When the calibration tool is not available calibration of the device can be perfor...

Страница 12: ...data but a user may want to send specific commands to the device The Command sequences tool allows this operation and is shown in Figure 4 11 The Device Send and Receive section allows read or write...

Страница 13: ...mmand Sequence View www ti com Battery Management Studio Software SLVU957A SEPTEMBER 2019 REVISED NOVEMBER 2021 Submit Document Feedback BQ76922EVM Evaluation Module 13 Copyright 2021 Texas Instrument...

Страница 14: ...lower inputs are pulled to VSS Installing shunts for the lower cell positions connects the input to the simulated voltage There is no indication of the cell simulator connection the user must be aware...

Страница 15: ...ipment The load power supply should be set at a low voltage in a constant current mode Polarity can be reversed on the load supply to simulate a charge current The battery simulation supply must never...

Страница 16: ...n implementing a design the configuration of the data sheet is recommended After changing the physical connection the Vcell Mode must be changed in Data Memory Settings for proper operation The defaul...

Страница 17: ...onnection shown in Figure 5 6 the MCU runs from the battery voltage inside the protection FETs The shunts on J7 must be positioned to connect the BQ76922 I2C lines to the external connector If the MCU...

Страница 18: ...gh to REG1 or brought to a terminal block for external connection J3 selects the connection of TS2 It may be taken to a terminal block for connection of an external wake or thermistor It may also be p...

Страница 19: ...5 Exporting saving the configuration register file for future use When no additional changes are anticipated to the configuration and extended validation is planned the user may write the configurati...

Страница 20: ...in the right lower corner Configuration headers are toward the right side of the board Pushbutton switches for wake up and reset of the BQ76922 are located near the bottom edge of the board The EVM l...

Страница 21: ...gure 6 3 Top Layer www ti com BQ76922EVM Circuit Module Physical Construction SLVU957A SEPTEMBER 2019 REVISED NOVEMBER 2021 Submit Document Feedback BQ76922EVM Evaluation Module 21 Copyright 2021 Texa...

Страница 22: ...re 6 5 Layer 3 BQ76922EVM Circuit Module Physical Construction www ti com 22 BQ76922EVM Evaluation Module SLVU957A SEPTEMBER 2019 REVISED NOVEMBER 2021 Submit Document Feedback Copyright 2021 Texas In...

Страница 23: ...6 7 Bottom Silk Screen www ti com BQ76922EVM Circuit Module Physical Construction SLVU957A SEPTEMBER 2019 REVISED NOVEMBER 2021 Submit Document Feedback BQ76922EVM Evaluation Module 23 Copyright 2021...

Страница 24: ...Assembly BQ76922EVM Circuit Module Physical Construction www ti com 24 BQ76922EVM Evaluation Module SLVU957A SEPTEMBER 2019 REVISED NOVEMBER 2021 Submit Document Feedback Copyright 2021 Texas Instrum...

Страница 25: ...Elektronik D1 D2 D7 3 40V Diode Schottky 40 V 0 2 A SOT 323 SOT 323 BAS40W 7 F Diodes Inc D3 1 Red LED Red SMD LED_0603 150060RS75000 Wurth Elektronik D4 D5 D6 3 16V Diode Zener 16 V 500 mW SOD 123 S...

Страница 26: ...AEC Q200 Grade 0 0402 0402 CRCW040233R0JNED Vishay Dale R62 1 2 0k RES 2 0 k 5 0 063 W AEC Q200 Grade 0 0402 0402 CRCW04022K00JNED Vishay Dale R63 R71 2 10k RES 10 k 5 0 063 W AEC Q200 Grade 0 0402 0...

Страница 27: ...1 Gold TH Header 2 54 mm 7x1 TH PBC07SAAN Sullins Connector Solutions J14 0 Header 2 54mm 5x1 Tin TH Header 2 54mm 5x1 TH PEC05SAAN Sullins Connector Solutions Q2 0 60V MOSFET P CH 60 V 0 9 A SOT 23 S...

Страница 28: ...do not exceed 1 ton per year The SVHC s are Table 6 2 REACH Components Component Manufacturer Component Part Number SVHC Substance SVHC CAS when available Murata Resonator CSTCR4M00G55B R0 Lead Titani...

Страница 29: ...D 1 2 3 J3 10k R22 100k R16 100k R17 100k R24 1 2 3 4 5 6 7 8 9 10 11 12 J4 TP10 TS1 TS2 SCL SDA TP14 TP13 HDQ 0 22uF C4 20 0 R5 20 0 R6 20 0 R7 0 22uF C5 0 22uF C7 0 22uF C8 0 22uF C9 0 22uF C10 20 0...

Страница 30: ...36 TP35 0 R34 4 7 8 1 2 3 5 6 Q6 0 R44 51 R43 40V D7 16V D6 16V D5 5P 4P 3P 2P 1P 1 0k R41 1 0k R37 TP31 TP32 TP30 TP25 TP22 TP33 TP34 100V D8 PACK PACK PGND PACK PACK E4 0 1uF C32 0 1uF C30 1 2 3 4 J...

Страница 31: ...A 37 P3 1 UCB0SOMI UCB0SCL 38 P3 2 UCB0CLK UCA0STE 39 P3 3 UCA0TXD UCA0SIMO 40 P3 4 UCA0RXD UCA0SOMI 41 P3 5 TB0 5 42 P3 6 TB0 6 43 P3 7 TB0OUTH SVMOUT 44 P4 0 PM_UCB1STE PM_UCA1CLK 45 P4 1 PM_UCB1SIM...

Страница 32: ...ed preproduction note 4 Changed settings and figure in Quick Start 4 Changed text and figure in Interface Adapter 6 Instructions and figures updated in Battery Management Studio Software 7 Changed fig...

Страница 33: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Страница 34: ...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 in...

Страница 35: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Страница 36: ...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 electr...

Страница 37: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Страница 38: ...change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of thes...

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