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VIN

3.4 - 4.4V, 2.5A

BAT+

TS2

GND

GND

NC

SW

TEST POINTS

INT

OTG

/CE

GND

PGND

PGND

1
2
3
4
5

Mini_USB

GND

System Output

3.9 to 6V

1

Not installed

2

PMID

2

See BOM for component usage

1

1

1

1

1

2

2

1

1

1

GND

3.9 to 6V

2

1

1

1 VBUS
2 D+/PSEL
3 D-/PG
4 STAT
5 SCL
6 SDA

7

INT

8

OTG/IUSB

9

CE

10

ILIM

1

1

TS1

12

TS2

13

BAT

14

BAT

15

SYS

16

SYS

17

PGND

18

PGND

19

SW

20

SW

21

BTST

22

REGN

23

PMID

24

VBUS

25

PWPD

U1

BQ24195(L)RGE

C5

47nF

C6 4.7uF

C10

1.0uF

R14

2.21k

R7

169

R21

30.1k

R22

5.23k

1

2

J6

R12

200

R13 200

1

2

3

4

J4

JP8

R20

10.0k

1

2

3

J2

TP2

TP10

TP6

TP7

TP8

TP9

TP1

TP3

TP4

TP5

TP12

TP11

D1

L

TST

-C190GKT

TP13

TP14

TP15

TP16

TP17

JP7

C1

1.0uF

C4

10uF

C7

10uF

C8

10uF

C9

0.1uF

C11
10uF

TP18

R8

10.0k

JP5

1

2

3

4

5

6

7

8

9

10

J3

R23

R6

R11

10.0k

JP4

R4

200

JP6

JP3

R24

768

R15

10.0k

C13

R1

0

R2

0

C15

10uF

J7

C3

C12

C16

10uF

C17

C18

TP19

L1

2.2uH

JP1

3

1

2

5

6

7

4
8

Q1

CSD25302Q2

R16

10.0k

R5

100k

R17

10.0k

R18

261k

R19

121k

R25

49.9k

C19

10uF

JP2

JP9

R9

20k

R26

20k

R27

200

C20

1.0uF

C14

Open

C2

C21

C22

1

2

J1

1

2

J5

R3 0

1

3

2

Q3

Si2312DS

1

3

2

Q2

Si2312DS

TP20

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

TS1

TS2

STAT

STAT

PULL-UP

REGN

TS2

D-

D+

D+

REGN

STAT

D-

ILIM

SDA

SCL

D+

INT

OTG

/CE

TS1

TS2

INT

OTG

/CE

REGN

PULL-UP

PULL-UP

PULL-UP

INT

PULL-UP

/CE

OTG

SCL

SDA

SCL

/CE

SDA

VBUS

VIN

D-

PULL-UP

ILIM

SYS

VIN

www.ti.com

Board Layout, Schematic, and Bill of Materials

4.2

Schematic

Figure 12

illustrates the schematic for this EVM.

Figure 12. bq24195/L EVM Schematic

17

SLUUA18 – October 2012

bq24195/L EVM (PWR193) User’s Guide

Submit Documentation Feedback

Copyright © 2012, Texas Instruments Incorporated

Содержание bq24195/L

Страница 1: ...ow of the bq24195x Evaluation Software for bq24195 L 6 4 CHG Mode Ripple and Duty Cycle VBUS 5 V VBAT 3 7 V 8 5 Boost Mode Ripple and Duty Cycle VBAT 3 7 V 9 6 bq24195 L EVM Top Layer 11 7 bq24195 L E...

Страница 2: ...a Thevinen equivalent drive of 72k and for Q2 OTG ckt is 35k allowing the OTG signal to be pulled low disables Boost Mode prior to the input voltage being applied 1 3 General Descriptions The bq24195...

Страница 3: ...VM Table 3 Recommended Operating Conditions Symbol Description MIN TYP MAX Unit Supply voltage VIN Input voltage from AC adapter input 3 9 5 12 6 V Battery voltage VBAT Voltage applied at VBAT termina...

Страница 4: ...rt and a USB cable The bq2419xEVM evaluation software must be properly installed 2 1 6 USB to GPIO Communication Kit HPA172 USB Interface Adapter 2 1 7 Software Unzip the bq2419xEVM_GUI zip and double...

Страница 5: ...5 V Turn off disable Load Connect Load in series with a current meter multimeter ground side to J2 BAT and GND as shown in Figure 2 5 Connect a voltage meter across J2 BAT and GND 6 Connect the HPA17...

Страница 6: ...ETUP steps are followed ILIM Setting Set the potentiometer to its lowest value for max input current by connecting an ohm meter between point TP9 and ground Turn the screw on the potentiometer counter...

Страница 7: ...Voltage Limit to 4 208 V 7 Set Fast Charge Current ICHG to 512 mA 8 Set Pre Charge Current to 256 mA 9 Deselect Enable Termination see the following image 10 Click the Read button twice Observe Everyt...

Страница 8: ...N 500 mA 200 mA 2 3 2 5 Verify Scope Measurements See Figure 4 500 ns div C1 AC coupled 20 mV div Vac_PMID TP20 to GND Ripple excluding high frequency spikes 10 mV C2 5 V div Vdc_SW TP2 Frequency betw...

Страница 9: ...rop down window 6 Verify VPMID to GND on J5 is between 4 9 V and 5 3 V 7 Verify scope measurement Figure 5 C1 AC coupled 20 mV div Vac_PMID TP20 to GND Ripple excluding high frequency spikes C2 5 V di...

Страница 10: ...with a short copper trace connection or GND plane 4 Route analog ground separately from power ground Connect analog ground and connect power ground separately Connect analog ground and power ground t...

Страница 11: ...ic and Bill of Materials 4 1 Board Layout Figure 6 through Figure 11 illustrate the board layouts for this EVM Figure 6 bq24195 L EVM Top Layer 11 SLUUA18 October 2012 bq24195 L EVM PWR193 User s Guid...

Страница 12: ...Schematic and Bill of Materials www ti com Figure 7 bq24195 L EVM Second Layer 12 bq24195 L EVM PWR193 User s Guide SLUUA18 October 2012 Submit Documentation Feedback Copyright 2012 Texas Instruments...

Страница 13: ...oard Layout Schematic and Bill of Materials Figure 8 bq24195 L EVM Third Layer 13 SLUUA18 October 2012 bq24195 L EVM PWR193 User s Guide Submit Documentation Feedback Copyright 2012 Texas Instruments...

Страница 14: ...Schematic and Bill of Materials www ti com Figure 9 bq24195 L EVM Bottom Layer 14 bq24195 L EVM PWR193 User s Guide SLUUA18 October 2012 Submit Documentation Feedback Copyright 2012 Texas Instruments...

Страница 15: ...ard Layout Schematic and Bill of Materials Figure 10 bq24195 L EVM Top Assembly 15 SLUUA18 October 2012 bq24195 L EVM PWR193 User s Guide Submit Documentation Feedback Copyright 2012 Texas Instruments...

Страница 16: ...hematic and Bill of Materials www ti com Figure 11 bq24195 L EVM Bottom Assembly 16 bq24195 L EVM PWR193 User s Guide SLUUA18 October 2012 Submit Documentation Feedback Copyright 2012 Texas Instrument...

Страница 17: ...3 4 5 6 7 8 9 10 J3 R23 R6 R11 10 0k JP4 R4 200 JP6 JP3 R24 768 R15 10 0k C13 R1 0 R2 0 C15 10uF J7 C3 C12 C16 10uF C17 C18 TP19 L1 2 2uH JP1 3 1 2 5 6 7 4 8 Q1 CSD25302Q2 R16 10 0k R5 100k R17 10 0k...

Страница 18: ...54 0 307 in A USB B M5 9 9 JP1 JP2 JP3 PEC02SAAN Header Male 2 pin 100mil spacing 0 100 in 2 PEC02SAAN Sullins JP4 JP5 JP6 JP7 JP8 JP9 1 1 L1 2 2 H Inductor SMT 5 A 37 m 0 204 0 216 in IHLP2020BZER2R2...

Страница 19: ...0 044 0 20 in SJ 5303 3M Notes 1 These assemblies are ESD sensitive observe ESD precautions 2 These assemblies must be clean and free from flux and all contaminants Use of no clean flux is not accept...

Страница 20: ...ncy 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 fr...

Страница 21: ...na 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...

Страница 22: ...roduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulatio...

Страница 23: ...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 in...

Страница 24: ...egulatory 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...

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