Texas Instruments TPS2596 Скачать руководство пользователя страница 4

TP1
VIN1

TP2
VOUT1

TP3
EN1

TP4
FLTb1

GND

1

DVDT

2

EN/UVLO

3

IN

4

OUT

5

FLT

6

ILIM

7

OVCSEL/OVLO

8

GND

9

TPS259621DDAR

U1

TP5
ILIM1

VIN=2.7V-19V

499

R1

200

R2

100k

R3

100k

R10

TP6
OVP1

IIN=0.15A-2A

TP7

DVDT1

1

3

2

NC

D1

Red

D3

J1

1

2

3

4

5

6

J4

330uF

C1

0.1uF

C2

VOUT-1=2.7V-19V

J2

1

2

3

4

5

6

J3

1

2

3

4

5

6

J6

IOUT-1=0.15A-2A

J5

100k

R4

453

R7

82.5k

R9

TP8
GND

TP11
GND

TP12
GND

TP13
GND

NT1

Net-Tie

TP17
VIN2

TP18
VOUT2

TP19
EN2

TP20
FLTb2

GND

1

DVDT

2

EN/UVLO

3

IN

4

OUT

5

FLT

6

ILIM

7

OVCSEL/OVLO

8

GND

9

TPS259630DDAR

U2

TP21
ILIM2

100k

R14

499

R15

200

R16

TP22
OVP2

100k

R13

TP16

DVDT2

Red

D5

VIN=2.7V-19V

1

3

2

NC

D8

J10

J9

1

2

3

4

5

6

J11

IIN=0.15A-2A

VOUT-2=2.7V-19V

330uF

C10

0.1uF

C11

1

2

3

4

5

6

J8

IOUT-2=0.15A-2A

1

2

3

4

5

6

J12

J7

100k

R17

82.5k

R21

453

R22

9.53k

R18

26.7k

R19

46.4k

R20

TP9
GND

TP10
GND

TP14
GND

TP15
GND

NT2

Net-Tie

D2

D6

7.87k

R12

7.87k

R8

FAULT2

FAULT2

FAULT1

FAULT1

VIN1

VIN1

VIN2

VIN2

VOUT2

VOUT1

1uF

C5

1uF

C15

D4

D7

402k

R5

909

R6

909

R11

TP24

SGND2

TP23
SGND1

SGND1

SGND2

0.47uF

C3

0.47uF

C12

0.1uF

C6

0.1uF

C14

S1

S2

0.01uF

C7

0.01uF

C16

0.022uF

C8

0.022uF

C13

0.047µF

C9

0.047µF

C4

DNP

Schematics

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4

SLVUBN7A – April 2019 – Revised August 2019

Submit Documentation Feedback

Copyright © 2019, Texas Instruments Incorporated

TPS2596EVM: Evaluation Module for TPS2596xx

3

Schematics

Figure 1

illustrates the schematic for this EVM.

Figure 1. TPS2596EVM Schematic

4

General Configurations

This section describes the physical access, test equipment and set up, and the test setup and procedures for this EVM.

4.1

Physical Access

Table 2

lists the TPS2596EVM input and output connector functionality.

Содержание TPS2596

Страница 1: ...embly Drawings and Layout Guidelines 14 5 1 PCB Drawings 14 6 Bill of Materials BOM 16 List of Figures 1 TPS2596EVM Schematic 4 2 EVM Setup with Test Equipment 7 3 J4 3 4 Current Limit 1 0 A Test Auto...

Страница 2: ...rn on threshold 3 85 V TYP if J5 installed 2 53 V if J5 not installed CH1 Falling Input voltage turn off threshold UVLO 3 53 V TYP if J5 installed 2 42 V if J5 not installed CH2 Rising Input voltage t...

Страница 3: ...b indicator is provided by D3 D5 for CH1 and CH2 respectively The EN UVLO pin is recommended to operate below 6 V To ensure that the EN UVLO pin voltage is always less than 6 V J5 and J7 need to be in...

Страница 4: ...0 15A 2A 1 2 3 4 5 6 J12 J7 100k R17 82 5k R21 453 R22 9 53k R18 26 7k R19 46 4k R20 TP9 GND TP10 GND TP14 GND TP15 GND NT2 Net Tie D2 D6 7 87k R12 7 87k R8 FAULT2 FAULT2 FAULT1 FAULT1 VIN1 VIN1 VIN2...

Страница 5: ...est Points Label Description CH1 TP1 VIN1 CH1 Input power supply to the EVM TP3 EN1 CH1 Active high enable and under voltage input TP6 OVP1 CH1 OVCSEL pin voltage TP5 ILIM1 CH1 Current monitor Load cu...

Страница 6: ...age D5 RED CH2 circuit fault indicator LED turns on when the internal MOSFET is disabled due to a fault condition such as overload short circuit and overvoltage 4 2 Test Equipment and Setup 4 2 1 Powe...

Страница 7: ...l Configurations 7 SLVUBN7A April 2019 Revised August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS2596EVM Evaluation Module for TPS2596xx 4 3 Test Setup and Pro...

Страница 8: ...for TPS2596EVM 6 Ensure that the output load is disabled and the power supply is set properly for the design under test DUT Connect the negative probe of DMM to TP10 TP11 TP13 or TP15 GND Turn on the...

Страница 9: ...shown in Table 8 1 If an electronic load is used ensure that the output load is set to constant resistance mode and not constant current mode 2 Measuring current limit values on the oscilloscope can c...

Страница 10: ...0 A Test Auto Retry CH1 4 Set the output load at 5 0 0 5 on CH2 and then enable the load Turn on the VIN2 power supply and verify that input output current is limited as per the setting in Table 9 Ver...

Страница 11: ...nd verify the latch and auto retry feature Setup the oscilloscope as shown in Table 10 Table 10 TPS2596EVM Oscilloscope Setting for Overvoltage Test Oscilloscope Setting CH1 Probe Points CH2 Probe Poi...

Страница 12: ...clamp should match with the clamp threshold based on the respective jumper setting as shown in Table 10 Figure 5 shows the overvoltage test for jumper setting J3 1 2 Figure 5 J3 1 2 Overvoltage Test C...

Страница 13: ...l Configurations 13 SLVUBN7A April 2019 Revised August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS2596EVM Evaluation Module for TPS2596xx Figure 6 J12 1 2 Over...

Страница 14: ...st 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS2596EVM Evaluation Module for TPS2596xx 5 EVM Assembly Drawings and Layout Guidelines 5 1 PCB Drawings Figure 7 t...

Страница 15: ...ngs and Layout Guidelines 15 SLVUBN7A April 2019 Revised August 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS2596EVM Evaluation Module for TPS2596xx Figure 8 Top...

Страница 16: ...et C5 C15 2 1 uF CAP CERM 1 uF 25 V 10 X7R 0805 0805 C0805C105K3RACTU Kemet C7 C16 2 0 01 uF CAP CERM 0 01 uF 50 V 5 C0G NP0 0805 0805 08055A103JAT2A AVX C8 C13 2 0 022 uF CAP CERM 0 022 uF 50 V 1 C0G...

Страница 17: ...ade 0 0805 0805 CRCW080526K7FKEA Vishay Dale R20 1 46 4 k RES 46 4 k 1 0 125 W AEC Q200 Grade 0 0805 0805 CRCW080546K4FKEA Vishay Dale S1 S2 2 Switch SPST NO 0 05 A 12 VDC SMT 3 9x2 9mm SKRKAEE020 Alp...

Страница 18: ...struments Incorporated TPS2596EVM Evaluation Module for TPS2596xx Table 12 TPS2596EVM Bill of Materials 1 continued Designator Quantity Value Description Package Reference Part Number Manufacturer Alt...

Страница 19: ...ack Copyright 2019 Texas Instruments Incorporated Revision History Revision History Changes from Original April 2019 to A Revision Page Updated Schematic Figure 1 4 Updated EVM Setup with Test Equipme...

Страница 20: ...e resources are subject to 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 reprod...

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