background image

1nf

C12

DNP

475k

R20

SH-J9

1

2

3

J9

16.9k

R25

TP26

ILIM LO

ILIM HI

TP17

EN_UV2

TP18

OVP2

TP15

VIN2

TP16
VOUT2

Red

D6

Green

D7

10.0k

R5

TP10

P-LOAD-RTN

TP6

P-LOAD

330pF

C11

VIN2

TP7

I-LOAD

VOUT2

VOUT1

4

7

,8

1

,2

,3

5

,6

,

30V

Q1
CSD17301Q5A

Pin1_CTRL-2

TP22

IMON2

FLTb-2

P-LOAD

2

1

S2

1nf

C6

DNP

475k

R4

SH-J4

1

2

3

J4

TP14

ILIM LO

ILIM HI

TP3
VIN1

TP2
VOUT1

Red

D2

Green

D3

DNP

330pF

C5

VIN1

VOUT1

Pin1_CTRL-1

TP11
IMON

FLTb-1

2

1

S1

0.1µF

C1

TP4
FLTb1

TP20
FLTb2

TP21
PG2

1

2

3

4

J5

VOUT1

VOUT2

SH-J5

DNP

TP12

TP25

TP24

TP13

VIN=2.7V-18V

IIN=0.6A-5.0A

VIN=2.7V-18V

IIN=0.6A-5.0A

VOUT=2.7V-18V

IOUT=0.6A-5.0A

VOUT=2.7V-18V

IOUT=0.6A-5.0A

1

2

3

Q3

DNP

1
2
3

J10

10k

R29

VIN2

100k

R24

SH-J10

DNP

Pin1_CTRL-2

1

2

3

Q2

DNP

10k

R21

VIN1

100k

R15

SH-J6

DNP

Pin1_CTRL-1

PG-1

PG-2

PG-1

PG-1

PG-2

TP1
SYS_PG

TP19

TP23

FLTb-1

Pin1_CTRL-2

VIN1

324k

R8

OVP-2

OVP-2

SH-J1

24.9k

R12

24.9k

R27

100k

R1

100k

R2

100k

R16

100k

R17

20V

D8
B320A-13-F

20V

D4
B320A-13-F

330µF

C10

16V

D9

16V

D5

4.7µF

C2

4.7µF

C3

4.7µF

C8

4.7µF

C9

DEVSLP

1

PGOOD

2

PGTH

3

OUT

4

OUT

5

OUT

6

OUT

7

OUT

8

IN

9

IN

10

IN

11

IN

12

IN

13

EN/UVLO

14

OVP

15

GND

16

ILIM

17

DVDT

18

IMON

19

FLTB

20

PAD

U1

TPS25944ARVC

DEVSLP

1

PGOOD

2

PGTH

3

OUT

4

OUT

5

OUT

6

OUT

7

OUT

8

IN

9

IN

10

IN

11

IN

12

IN

13

EN/UVLO

14

OVP

15

GND

16

ILIM

17

DVDT

18

IMON

19

FLTB

20

PAD

U2

TPS25944LRVC

0.1

R6

1

2

J3

1

2

J8

1
2

J2

1
2

J7

TP9
PG1

0.003

R7

TP5
OVP1

TP8
EN_UV1

475k

R3

475k

R18

475k

R19

16.9k

R9

32.4k

R13

48.7k

R22

DNP

35.7k

R26

47k

R11

47k

R23

EN/UVLO-1

OVP-1

DVDT-1

IMON-1

ILIM-1

PGTH-1

DVDT-2

IMON-2

ILIM-2

PGTH-2

EN/UVLO-2

1
2
3

J6

1

2

3

J1

SGND1

SGND2

Net-Tie

Net-Tie

Net-Tie

Net-Tie

Net-Tie

IMON-1

330µF

C4

16.9k

R10

16.2k

R14

16.2k

R28

Net-Tie

1µF

C7

1

3

2

D1
BAT54C-7-F

Schematic

www.ti.com

3

Schematic

Figure 1

illustrates the TPS25944X EVM schematic.

Figure 1. TPS25944XEVM Schematic

4

TPS25944X635EVM: Evaluation Module for TPS25944X

SLUUBC2A – May 2015 – Revised July 2015

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Copyright © 2015, Texas Instruments Incorporated

Содержание TPS25944X635EVM

Страница 1: ...with TPS25944A 3 Replace the U2 as the with TPS25944L 4 Make sure the following parts are unpopulated R7 R8 Contents 1 Introduction 2 1 1 EVM Features 2 1 2 EVM Applications 2 2 Description 3 3 Schem...

Страница 2: ...18 0 V TYP operation CH1 rising input voltage turn On threshold 10 8 V TYP CH1 falling input voltage turn off threshold 10 V TYP CH2 rising input voltage turn On threshold 10 8 V TYP CH2 falling input...

Страница 3: ...otection S1 allows U1 and S2 allows U2 to be RESET or disabled A power good PG indicator is provided by D2 and D6 for CH1 and CH2 respectively and circuit faults can be observed with D2 and D6 Scaled...

Страница 4: ...R16 100k R17 20V D8 B320A 13 F 20V D4 B320A 13 F 330 F C10 16V D9 16V D5 4 7 F C2 4 7 F C3 4 7 F C8 4 7 F C9 DEVSLP 1 PGOOD 2 PGTH 3 OUT 4 OUT 5 OUT 6 OUT 7 OUT 8 IN 9 IN 10 IN 11 IN 12 IN 13 EN UVLO...

Страница 5: ...supply to the EVM TP17 EN_UV2 CH2 Active high enable and under voltage input TP18 OVP2 CH2 Active high overvoltage input TP22 IMON2 CH2 Current monitor Load current 1 187 voltage on TP22 TP16 VOUT2 CH...

Страница 6: ...us measurements are needed 4 2 3 Oscilloscope A DPO2024 or Lecroy 424 oscilloscope or equivalent three 10X voltage probes and a DC current probe 4 2 4 Loads One resistive load or equivalent which take...

Страница 7: ...P A L P H A S H I F T E N T E R R U N DG ER F I AJ BK C L 7M 8N 9O DG DG DG DG T 3U 0V W X Y Z T A B U T I L I Z A T I O N H U B M A U N I C 2 B N C 4 M b s Oscilloscope xx xx xx xx x x xx xx x x Texa...

Страница 8: ...3 0 1 VDC EN_UV2 TP17 12 0 3 VDC OVP1 TP5 0 742 0 1 VDC OVP2 TP18 0 742 0 1 VDC IMON1 TP11 33 8 mV 5 mVDC IMON2 TP22 33 8 mV 5 mVDC VOUT1 TP2 12 0 3 VDC VOUT2 TP16 12 0 3 VDC PG1 TP9 2 40 0 1 VDC PG2...

Страница 9: ...nel 1 5 V div TP2 VOUT1 TP16 VOUT2 Channel 2 5 V div TP3 VIN1 TP15 VIN2 Channel 3 5 V div TP8 EN UVLO1 TP17 EN UVLO2 Channel 4 2 A div Current probe in input Ve wire Current probe in input Ve wire Tri...

Страница 10: ...l 4 5 A div Input current into J3 Ve wire Input current into J8 Ve wire Trigger source Channel 4 Trigger level 1 0 0 2 A Trigger polarity Ve Trigger Mode Single Sequence Time base 40 ms div 1 If an el...

Страница 11: ...4 36 ms Figure 5 Output Short Circuit Behavior of Auto Retry Circuit Breaker CH1 Figure 6 Circuit Breaking Time Delay CH1 4 Set the output load at 1 0 0 1 on CH1 and current limit to 5 3 A and then en...

Страница 12: ...ker CH2 Figure 8 Circuit Breaking Time Delay CH2 5 Set the input power supply to zero volts and disconnect all equipment from the DUT 12 TPS25944X635EVM Evaluation Module for TPS25944X SLUUBC2A May 20...

Страница 13: ...Drawings Figure 9 through Figure 11 show component placement and layout of the EVM Figure 9 Top Side Placement Figure 10 Top Side Routing Layer 13 SLUUBC2A May 2015 Revised July 2015 TPS25944X635EVM...

Страница 14: ...ayout Guidelines www ti com Figure 11 Bottom Side Routing Layer 14 TPS25944X635EVM Evaluation Module for TPS25944X SLUUBC2A May 2015 Revised July 2015 Submit Documentation Feedback Copyright 2015 Texa...

Страница 15: ...Any LBL1 1 Thermal Transfer Printable Labels 0 650 W x 0 200 H 10 000 per PCB Label 0 650 H x THT 14 423 10 Brady roll 0 200 W Q1 1 30V MOSFET N CH 30V 100A SON 5x6mm SON 5x6mm CSD17301Q5A Texas Instr...

Страница 16: ...nt Any TP26 TP12 TP13 4 SMT Test Point SMT Compact Testpoint_Keystone_Com 5016 Keystone Equivalent Any TP24 TP25 pact U1 1 2 7V 18V eFuse with True Reverse Blocking for Power Mux RVC0020A TPS25944ARVC...

Страница 17: ...ision Page Added Important Note to TPS25944XEVM 635 Users 1 NOTE Page numbers for previous revisions may differ from page numbers in the current version 17 SLUUBC2A May 2015 Revised July 2015 Revision...

Страница 18: ...ing 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 repa...

Страница 19: ...transmitter has been approved 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 indic...

Страница 20: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Страница 21: ...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 L...

Страница 22: ...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...

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