Texas Instruments TPS2596 Скачать руководство пользователя страница 7 | Manualshive

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Texas Instruments TPS2596 Скачать руководство пользователя страница 7

Load

Posi tive

Negative

Voltm eter

Load

Posi tive

Negative

Voltm eter

Negative

Posi tive

Power S uppl y

Negative

Posi tive

Power S uppl y

-

-

-

Oscilloscope

General Configurations

7

SLVUBN7A – April 2019 – Revised August 2019

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Copyright © 2019, Texas Instruments Incorporated

TPS2596EVM: Evaluation Module for TPS2596xx

4.3

Test Setup and Procedures

shows a typical test setup for the TPS2596EVM. Connect J1/J9 to the power supply and J2/J10

to the load.

Figure 2. EVM Setup with Test Equipment

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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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