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0.01µF
100V

C1

0.01µF
100V

C2

0.01µF

100V

C3

0.01µF

100V

C4

75.0

R1

75.0

R2

75.0

R3

75.0

R4

ETHERNET POWER

40-57VDC

45W MAX

DATA PORT

PR12

PR36

PR45

PR78

EARTH

TCT1

1

TD1+

2

TD1-

3

TCT2

4

TD2+

5

TD2-

6

TCT3

7

TD3+

8

TD3-

9

TCT4

10

TD4+

11

TD4-

12

MX4-

13

MX4+

14

MCT4

15

MX3-

16

MX3+

17

MCT3

18

MX2-

19

MX2+

20

MCT2

21

MX1-

22

MX1+

23

MCT4

24

T1

7490220122

PR12

PR36

PR45

PR78

TP1

TP2

TP3

TP4

PAIR12

PAIR36

PAIR45

PAIR78

EARTH

TP5

1000pF

C5

2
3
4

1

5
6
7
8

9

10
11
12

J1

2
3
4

1

5
6
7
8

9
10
11
12

J2

EARTH

EARTH

301k

R5

301k

R6

301k

R7

301k

R8

301k

R19

301k

R20

301k

R21

301k

R22

66.5k

R9

66.5k

R10

66.5k

R11

66.5k

R12

66.5k

R15

66.5k

R16

66.5k

R17

66.5k

R18

1000pF

C6

1000pF

C7

1000pF

C8

1000pF

C9

1000pF

C10

1000pF

C11

1000pF

C12

1000pF

C13

1000pF

C16

1000pF

C17

1000pF

C18

1000pF

C19

1000pF

C20

1000pF

C21

1000pF

C22

1000pF

C23

D13
100V

D14
100V

D15
100V

D16
100V

D19
100V

D20
100V

D21
100V

D22
100V

8.2V

D9

8.2V

D10

8.2V

D11

8.2V

D12

8.2V

D23

8.2V

D24

8.2V

D25

8.2V

D26

3

1

2

Q2

3

1

2

Q3

3

1

2

Q4

3

1

2

Q5

3

1

2

Q7

3

1

2

Q8

3

1

2

Q9

3

1

2

Q10

D18

100V

3

1

2

Q6

499k

R13

301k

R14

PR12

PR36

PR45

PR78

PR12

PR36

PR45

PR78

BR+

BR+

BR-

1000pF
100V

C14

1000pF
100V

C15

VDD

VSS1

2

1

58V

D17

300 ohm

L1

DNP

300 ohm

L2

DNP

BR-

Additional EMI filtering may be required

13

15

9

7

8

Q1C

14

16

4

5

6

Q1B

1

2

10

13

11

15

Q1D

1

2

14

3

16

Q1A

13

15

9

7

8

Q11C

14

16

4

5

6

Q11B

1

2

10

13

11

15

Q11D

1

2

14

3

16

Q11A

1

3

2

D1
100V

DNP

1

3

2

D2
100V

DNP

1

3

2

D3
100V

DNP

1

3

2

D4
100V

DNP

1

3

2

D5
100V

DNP

1

3

2

D6
100V

DNP

1

3

2

D7
100V

DNP

1

3

2

D8
100V

DNP

1.00k

R67

3

1

2

Q18

100k

R68

100pF

C66

ADPT

RTN

60 ohm

L8

60 ohm

L9

1

2

3

4

L10

75.0

R74

75.0

R71

75.0

R73

1000pF

C67

75.0

R72

EARTH

FDMQ8205A can be used for an integrated FET bridge solution in space constrained applications

Copyright © 2017, Texas Instruments Incorporated

Schematic

www.ti.com

4

SLUUBJ1A – February 2017 – Revised June 2017

Submit Documentation Feedback

Copyright © 2017, Texas Instruments Incorporated

TPS2373-4EVM-758 Evaluation Module

4

Schematic

Figure 1

and

Figure 2

illustrate the EVM schematic.

Figure 1. TPS2373-4EVM-758 PD Front-End Schematic

Содержание TPS2373-4EVM-758

Страница 1: ...Description 3 4 Schematic 4 5 General Configuration and Description 6 6 TPS237xEVM 758 Performance Data 8 7 EVM Assembly Drawings and Layout Guidelines 9 8 Bill of Material 14 List of Figures 1 TPS237...

Страница 2: ...pplications 2 Electrical Specifications Table 1 lists the EVM electrical specifications Table 1 TPS2373 4EVM 758 Electrical and Performance Specifications at 25 C Parameter Test Conditions Min Typ Max...

Страница 3: ...hown in Figure 1 R30 provides the detection signature while J7 and J10 allow user selection of the classification signature and desired power level To the right of U1 is the switched side of the PD co...

Страница 4: ...2V D25 8 2V D26 3 1 2 Q2 3 1 2 Q3 3 1 2 Q4 3 1 2 Q5 3 1 2 Q7 3 1 2 Q8 3 1 2 Q9 3 1 2 Q10 D18 100V 3 1 2 Q6 499k R13 301k R14 PR12 PR36 PR45 PR78 PR12 PR36 PR45 PR78 BR BR BR 1000pF 100V C14 1000pF 100...

Страница 5: ...8 1 2 3 5 6 Q15 0 033 F C34 30V 7 8 1 2 3 5 6 Q13 0 075 R47 2 1 3 U4 TLV431AIDBZR VOUT GND 665 R57 1 F C60 3 3 H L5 100 F C36 470 F C37 0 047 F C47 GND D34 0 88V 5V 14A VCOUT 1 18k R52 60 4k R48 12 1...

Страница 6: ...P3 PAIR 45 Data pair from Pins 4 and 5 of J1 TP4 PAIR 78 Data pair from Pins 7 and 8 of J1 TP5 EARTH Connect to earth ground when available TP7 MPS_DUTY MPS_DUTY pin of the TPS2373 4 TP9 TP10 VDD Inpu...

Страница 7: ...tion Module Table 4 Jumper Descriptions Jumper Description J4 Jump to power TPH TPL BT through the bias winding Or open to power through external circuit J5 Automatic MPS duty cycle selection J6 Jump...

Страница 8: ...TPS2373 4EVM 758 Evaluation Module 6 TPS237xEVM 758 Performance Data 6 1 Startup Figure 3 illustrates the startup response of the TPS2373 4EVM 758 Figure 3 Startup Response to Full Load 14 A for a 48...

Страница 9: ...s Instruments Incorporated TPS2373 4EVM 758 Evaluation Module 6 3 Efficiency Figure 5 illustrates the efficiency of the TPS237xEVM 758 Figure 5 Efficiency of the TPS2373 4EVM 758 VIN 48 V 7 EVM Assemb...

Страница 10: ...ut Guidelines www ti com 10 SLUUBJ1A February 2017 Revised June 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS2373 4EVM 758 Evaluation Module Figure 7 Top Side Ro...

Страница 11: ...and Layout Guidelines 11 SLUUBJ1A February 2017 Revised June 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS2373 4EVM 758 Evaluation Module Figure 9 Layer 3 Routi...

Страница 12: ...he input and an isolated converter output Place the TPS237x over split local ground planes referenced to VSS for the PoE input and to COM RTN for the converter Whereas the PoE side may operate without...

Страница 13: ...the quiet side of components instead of the switching side where possible like the output side of inductor Use Bob Smith terminations Bob Smith EFT capacitor and Bob Smith plane Use Bob Smith plane as...

Страница 14: ...10 0 1 ohm SMD 7343 31 TPSD477K006R0100 AVX C46 C49 2 0 1uF CAP CERM 0 1 F 25 V 10 X7R 0603 0603 885012206071 Wurth Elektronik C47 1 0 047uF CAP CERM 0 047 F 50 V 10 X7R 0603 0603 C1608X7R1H473K TDK C...

Страница 15: ...l 3x1 Gold SMT Samtec_TSM 103 01 X SV TSM 103 01 L SV Samtec J7 1 Header 100mil 2x2 Tin SMT 2x2 100mil Tin Header 15 91 2040 Molex J10 1 Header 100mil 5x2 Tin SMT 500x180x290mil TSM 105 01 T DV P Samt...

Страница 16: ...e R36 1 1 21k RES 1 21 k 1 0 1 W 0603 0603 CRCW06031K21FKEA Vishay Dale R38 1 1 00k RES 1 00 k 1 0 75 W 2010 2010 CRCW20101K00FKEF Vishay Dale R39 1 2k TRIMMER 2k ohm 0 5W TH 375x190x375mil 3386P 1 20...

Страница 17: ...P27 TP28 TP29 TP30 25 Test Point Miniature SMT Test Point Miniature SMT 5019 Keystone TP11 TP12 TP13 3 SMT Test Point Miniature SMT Testpoint_Keystone_Miniat ure 5015 Keystone U1 1 Mid Power bt PoE PD...

Страница 18: ...Texas Instruments Incorporated Revision History Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from Original February 2017 to A R...

Страница 19: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Страница 20: ...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 great...

Страница 21: ...t the EVM user guide prior to 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...

Страница 22: ...OST OF 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...

Страница 23: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

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