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Table 4-1. BQ77207 Circuit Module Bill of Materials (continued)

Designator

Quantity

Value

Part Number

Manufacturer

Description

Package Reference

U1

1

Voltage and Temperature 
Protection for 3-Series 
to 7-Series Cell Li-Ion 
Batteries with Internal 
Delay Timer

WSON12

BQ7720700DSSR

Texas Instruments

FID1, FID2, FID3

0

Fiducial mark. There is 
nothing to buy or mount.

N/A

N/A

N/A

R9

0

1kΩ

THERMISTOR PTC 1K 
OHM 5% 0402

402

PRF15AR102RB6RC

Murata

RT2

0

10k

Thermistor NTC, 10.0k 
ohm, 1%, Disc, 5x8.4 mm

Disc, 5x8.4 mm

103AT-2

SEMITEC Corporation

4.3 Schematics

Figure 4-7

 and 

Figure 4-8

 illustrate the schematics.

VSS

VSS

VSS

VSS

6P
5P

RT2

VC6

VC5

VC4

VC3

VC2

VC1

NT1

Net-Tie

BAT+

VC7

BAT-

1P

2P

3P

4P

5P

6P

VSS

VSS

VSS

VSS

VSS

VSS

DOUT

VSS

TP5

VSS

Input

35V 1A max

7P

VSS

TP1

TP6

0.1uF

C2

0.1uF

C3

0.1uF

C4

0.1uF

C5

0.1uF

C6

0.1uF

C7

0.1uF

C8

BAT+

1.0k

R2

1.0k

R3

1.0k

R4

1.0k

R5

1.0k

R6

1.0k

R7

1.0k

R8

300

R1

DOUT

COUT

TS

DOUT
COUT
GND

COUT

TP4

TS

TP3

VSS

TP2

VDD

0.1uF

C1

1

2

3

J2

5

4

1
2
3

6
7
8

J1

TP7

TP8

TP9

TP10

VDD

1

COUT

10

DOUT

11

EP

13

TS

12

V1

8

V2

7

V3

6

V4

5

V5

4

V6

3

V7

2

VSS

9

BQ7720700DSSR

U1

R9

10k

RT1

VSS

VSS

J3

POWER

Figure 4-7. Schematic Diagram

www.ti.com

BQ77207EVM Circuit Module Physical Construction

SLUUCI0 – OCTOBER 2021

Submit Document Feedback

BQ77207 Evaluation Module

11

Copyright © 2021 Texas Instruments Incorporated

Содержание BQ77207

Страница 1: ...Required Equipment 3 2 BQ77207 EVM Getting Started Guide 4 2 1 Before You Begin 4 2 2 Warnings and Cautions 4 2 3 Quick Start 4 3 BQ77207 Circuit Module Use 6 3 1 Cell Simulator 6 3 2 Reducing the Ce...

Страница 2: ...arks All trademarks are the property of their respective owners Trademarks www ti com 2 BQ77207 Evaluation Module SLUUCI0 OCTOBER 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorpo...

Страница 3: ...oard details 1 3 BQ77207 Circuit Module Performance Specification Summary This section summarizes the performance specifications of the BQ77207 circuit module in its default 7 series cell configuratio...

Страница 4: ...ect a 0 V DC power supply capable of approximately 250 mA between the BAT and BAT terminals and adjust to approximately 22 V 3 Connect a meter to a VSS test point and monitor the COUT or DOUT test poi...

Страница 5: ...eeded for evaluation Figure 2 1 EVM Connection for Basic Operation www ti com BQ77207 EVM Getting Started Guide SLUUCI0 OCTOBER 2021 Submit Document Feedback BQ77207 Evaluation Module 5 Copyright 2021...

Страница 6: ...the IC comes from the BAT terminal so it must be connected when using the EVM While not recommended the inputs of the EVM can typically be shorted at the terminal block for quick evaluation For the b...

Страница 7: ...n alternate may be installed at the R9 pattern or a through hole thermistor may be installed at RT2 With an appropriate part a suitable PTC could be installed at either pattern See the schematic in Fi...

Страница 8: ...e to a terminal block Output terminals are on the right edge using a header The EVM layout and construction allows easy understanding of the connections and access to the test points for evaluation Se...

Страница 9: ...4 5 Bottom Silk Screen Figure 4 6 Bottom Assembly www ti com BQ77207EVM Circuit Module Physical Construction SLUUCI0 OCTOBER 2021 Submit Document Feedback BQ77207 Evaluation Module 9 Copyright 2021 T...

Страница 10: ...00mil 2x1 Tin TH Header 2 PIN 100mil Tin PEC02SAAN Sullins Connector Solutions J4 1 Header 100mil 7x2 Tin TH Header 7x2 100mil Tin PEC07DAAN Sullins Connector Solutions R1 1 300 RES 300 5 0 1 W AEC Q2...

Страница 11: ...8 illustrate the schematics VSS VSS VSS VSS 6P 5P t RT2 VC6 VC5 VC4 VC3 VC2 VC1 NT1 Net Tie BAT VC7 BAT 1P 2P 3P 4P 5P 6P VSS VSS VSS VSS VSS VSS DOUT VSS TP5 VSS Input 35V 1A max 7P VSS TP1 TP6 0 1u...

Страница 12: ...te shunts to use cell simulator if not connecting a battery 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J4 Figure 4 8 Cell Simulator BQ77207EVM Circuit Module Physical Construction www ti com 12 BQ77207 Evaluati...

Страница 13: ...lay Timer data sheet 6 Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version DATE REVISION NOTES October 2021 Initial Release www ti com Related...

Страница 14: ...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 15: ...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 16: ...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 17: ...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 18: ...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 19: ...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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