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Figure 3-2. UCC28782EVM-030 bottom View

Figure 3-3. High-Density Configuration

Description

SLUUBZ3B – MAY 2020 – REVISED AUGUST 2020

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Using the UCC28782EVM-030 65-W USB-C PD High-Density Active-Clamp

Flyback Converter

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Copyright © 2022 Texas Instruments Incorporated

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Содержание UCC28782EVM-030

Страница 1: ...PD High Density Active Clamp Flyback Converter www ti com SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter 1 Copyright 2022 Texas Instruments Incorporated ...

Страница 2: ...14 8 4 Efficiency Result of 4 Point Average at 5 Vout 15 8 5 Efficiency Typical Results 16 8 6 Output Characteristics 16 8 7 Switching Frequency 17 8 8 Key Switching Waveforms and Operation Mode Load Current 17 8 9 Start Up 18 8 10 Output Voltage Adjustment by USB C PD 19 8 11 Line Transient Response 19 8 12 Output Ripple Voltage 19 8 13 Boost Function for VDD Bias 21 8 14 X Capacitor Discharge 21...

Страница 3: ...odules instruments meters scopes and other related apparatus used in a development environment exceeding 50Vrms 75VDC must be electrically located within a protected Emergency Power Off EPO protected power strip e Use stable and nonconductive work surface f Use adequately insulated clamps and wires to attach measurement probes and instruments No freehand testing whenever possible 2 Electrical Safe...

Страница 4: ... C PD selectable output voltage 20 VDC with a max 3 25 A and to 5 VDC 9 VDC and 15 VDC with a max 3 00 A output current rating and a 160 ms limit for over power capability The main devices used in this design are active clamp flyback controller UCC28782 and GaN MOSFETs Please read this user s guide thoroughly before applying power to this board Figure 3 1 UCC28782EVM 030 top View Description www t...

Страница 5: ...3 3 High Density Configuration www ti com Description SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter 5 Copyright 2022 Texas Instruments Incorporated ...

Страница 6: ...opp Over power protection threshold VIN 90 to 264 VRMS 70 W SYSTEMS CHARACTERISTICS η Full load efficiency VIN 115 230VRMS VOUT 20 V IOUT 3 25A 94 2 94 2 VOUT 15 V IOUT 3 00A 94 2 93 7 VOUT 9 V IOUT 3 00A 93 5 93 0 VOUT 5 V IOUT 3 00A 91 9 90 8 η 4 point average efficiency 1 VIN 115 230 VRMS VOUT 20 V CoC Tier 2 89 0 93 4 92 4 VOUT 15 V CoC Tier 2 88 9 93 1 91 7 VOUT 9 V CoC Tier 2 87 3 90 9 88 6 ...

Страница 7: ...Schematic Diagram 1 of 2 www ti com Schematic Diagram SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter 7 Copyright 2022 Texas Instruments Incorporated ...

Страница 8: ...Diagram 2 of 2 Schematic Diagram www ti com 8 Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 9: ...ctor J1 does not provide output voltage Besides to get full load current 3 00 A from 5 V 9 V and 15 V a USB C cable without E mark may be used but to get 3 25 A at 20 V output an E mark USB C cable has to be used In case the EVM is desired to test on a load without USB C PD communication the next section describes how to modify the board to make test 6 3 Using the EVM on a Load without USB C PD Co...

Страница 10: ...andling 100 W power level Warning Do not apply DC voltage to this board when making test or damage may happen If DC voltage source has to be used the XCD pins need to be grounded by adding R3 0 Ω and removing Q3 Voltmeter Digital voltage meter Power Analyzer Capable of measuring 1 mW to 100 W of input power and capable of handling 264 VRMS input voltage Some power analyzers may require a precision...

Страница 11: ...PL AC input monitor Line TPN Input test points TPL AC input monitor Neutral TP1 to TP4 Floating test points TP1 TP2 TP3 TP4 Floating need to solder connections leave them floating if not used TP5 to TP8 Floating test points TP5 TP6 TP7 TP8 Floating need to solder connections leave them floating if not used www ti com Test Setup SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Using t...

Страница 12: ...3 12 115 17 535 19 945 0 810 25 92 13 115 7 284 19 943 0 325 10 88 99 230 69 940 19 944 3 250 100 94 02 92 4 220 kHz 230 52 065 19 946 2 440 75 93 48 230 35 343 19 947 1 630 50 91 99 230 17 950 19 943 0 810 25 89 99 230 7 733 19 942 0 325 10 83 81 264 69 440 20 010 3 250 100 93 65 230 kHz 264 52 558 20 010 2 440 75 92 90 264 35 744 20 000 1 630 50 91 20 264 18 252 20 000 0 810 25 88 76 264 7 979 2...

Страница 13: ...0 25 91 46 115 5 107 14 967 0 300 10 87 91 230 47 953 14 976 3 000 100 93 69 91 7 192 kHz 230 36 174 14 972 2 250 75 93 12 230 24 534 14 971 1 500 50 91 553 230 12 708 14 969 0 750 25 88 34 230 5 439 14 969 0 300 10 82 56 264 48 242 15 020 3 000 100 93 40 190 kHz 264 36 535 15 018 2 250 75 92 49 264 24 734 15 016 1 500 50 91 06 264 13 123 15 013 0 750 25 85 80 264 5 553 15 010 0 300 10 81 10 CoC T...

Страница 14: ...0 25 89 08 115 3 141 8 981 0 300 10 85 78 230 29 001 8 987 3 000 100 92 97 88 62 132 kHz 230 22 432 8 985 2 250 75 90 12 230 15 323 8 985 1 500 50 87 96 230 8 074 8 984 0 750 25 83 45 230 3 378 8 982 0 300 10 79 76 264 29 108 8 987 3 000 100 92 62 129 kHz 264 22 677 8 984 2 250 75 89 14 264 15 458 8 986 1 500 50 87 19 264 8 271 8 982 0 750 25 81 44 264 3 391 8 981 0 300 10 79 45 CoC Tier 2 4pt ave...

Страница 15: ...50 25 85 34 115 1 810 4 948 0 300 10 82 02 230 16 357 4 951 3 000 100 90 81 84 1 82 kHz 230 13 045 4 950 2 250 75 85 38 230 9 117 4 949 1 500 50 81 42 230 4 702 4 947 0 750 25 78 91 230 1 928 4 947 0 300 10 76 96 264 16 328 4 953 3 000 100 91 00 79 kHz 264 13 148 4 952 2 250 75 84 74 264 9 315 4 950 1 500 50 79 71 264 4 811 4 948 0 750 25 77 14 264 2 003 4 948 0 300 10 74 11 CoC Tier 2 4pt average...

Страница 16: ...ciency of 50 load vs Input Voltage 8 6 Output Characteristics Figure 8 5 VOUT at Full Load vs Input Voltge Figure 8 6 VOUT vs Output Current Performance Data and Typical Characteristic Curves www ti com 16 Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 17: ...nd 115Vac Input Mode AAM ABM LPM SBP1 SBP2 Survival Burst Frequency fBUR Not Applicable 25kHz 2 to 9 pulses about 25kHz 2 pulses 8 5kHz to 25kHz 2 pulses 8 5kHz 2 pulses about 8 pulses Typical Load Current 1 8 A to 3 25 A 0 5 A to 1 8 A 0 2 A to 0 5 A 0 1 A to 0 2 A 0 1 A Not Applicable Figure 8 9 Typcial Waveform in AAM Operation Yellow PWML Red PWMH Green Transformer Primary Winding Current 0 2 ...

Страница 18: ...ue Switch Node Voltage Figure 8 14 Typical Waveform in SBP2 Operation Yellow PWML Red PWMH Green Transformer Primary Winding Current 0 2 V A Blue Switch Node Voltage 8 9 Start Up Yellow PWML Red Switch Node Voltage Blue Output Voltage Green Transformer Primary Winding Current Figure 8 15 115 VAC and Full Load Startup Figure 8 16 230 VAC and Full Load Startup Performance Data and Typical Characteri...

Страница 19: ...e 8 22 Output Voltage Response to Line Transient with No Load 8 12 Output Ripple Voltage Blue Output Voltage Ripple Oscilloscope Channel Bandwidth 20 MHz Voltage span between two dashed lines is 150 mV The ripples are with the 50 load condition unless specified in the associated figures www ti com Performance Data and Typical Characteristic Curves SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Docum...

Страница 20: ...OUT 5 V Figure 8 27 Typical Ripple Voltage of VOUT 5 V at No Load Figure 8 28 Typical Ripple Voltage of VOUT 5 V at Full Load Performance Data and Typical Characteristic Curves www ti com 20 Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 21: ... Discharge 8 15 USB C PD Over Current Limit Figure 8 32 shows the converter USB C PD Over Current Limit with respect to input voltage Figure 8 33 shows the converter auto retry to resume operation after over current www ti com Performance Data and Typical Characteristic Curves SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Using the UCC28782EVM 030 65 W USB C PD High Density Active...

Страница 22: ...ad Transient Response at VOUT 20 V Overshoot Undershoot 357 mV 619 mV Figure 8 35 Transient Response at VOUT 15 V Overshoot Undershoot 366 mV 562 mV Figure 8 36 Transient Response at VOUT 9 V Overshoot Undershoot 326 mV 426 mV Figure 8 37 Transient Response at VOUT 5 V Overshoot Undershoot 326 mV 426 mV Performance Data and Typical Characteristic Curves www ti com 22 Using the UCC28782EVM 030 65 W...

Страница 23: ...A Output Not Grounded to LISN Ground Shielding between Transformer and EMI Filter Ref Fig 54 and 55 Figure 8 42 VIN 115 VRMS VOUT 20 V Load 3 25 A Output Grounded to LISN Ground Shielding between Transformer and EMI Filter Ref Fig 54 and 55 Figure 8 43 VIN 230 VRMS VOUT 20 V Load 3 25 A Output Grounded to LISN Ground Shielding between Transformer and EMI Filter Ref Fig 54 and 55 www ti com Perform...

Страница 24: ... 8 44 LISN Earth Ground and Vout Earth Grounded Figure 8 45 Transformer Flux Band and Shielding between Transformer and EMI Filter Performance Data and Typical Characteristic Curves www ti com 24 Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 25: ...gure 8 49 VIN 115 VAC Bottom Side DB1 75 6 C Figure 8 50 VIN 230 VAC Top Side Transformer 86 8 C Figure 8 51 VIN 230 VAC Bottom Side Q1 82 7 C www ti com Performance Data and Typical Characteristic Curves SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter 25 Copyright 2022 Texas Instruments Incorporated...

Страница 26: ...ottom Side Q1 83 3 C Performance Data and Typical Characteristic Curves www ti com 26 Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 27: ...1V Leakage Inductance µH 2 5 Max 1 3 Short A B 100kHz 0 1V D C resistance Ω 0 1 15 1 3 D C resistance Ω 0 006 Max A B D C resistance Ω 0 02 15 6 7 D C resistance Ω 0 12 15 C D Dielectric VAC 60Hz 3000 1 6 A 1 mA 60 Hz 1 s Turns ratios 1 0 2 0 2 0 32 1 3 A B 6 7 C D 1 0V 10kHz to 1 3 www ti com Transformer Details SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Using the UCC28782EVM ...

Страница 28: ...sembly Top View EVM Assembly and Layout www ti com 28 Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 29: ...iew www ti com EVM Assembly and Layout SLUUBZ3B MAY 2020 REVISED AUGUST 2020 Submit Document Feedback Using the UCC28782EVM 030 65 W USB C PD High Density Active Clamp Flyback Converter 29 Copyright 2022 Texas Instruments Incorporated ...

Страница 30: ...10 µF 35 V 10 X5R 0805 GRM155R70J105MA12D MuRata 2 C31 C42 Capacitor ceramic 0 01 uF 50 V 5 X7R 0402 C0402C103J5RACTU Kemet 1 C32 Capacitor ceramic 1000 pF 50 V 10 X7R 0402 885012205061 Wurth Elektronik 2 C33 C34 Capacitor ceramic 0 1 µF 25 V 10 X7R 0402 GRM155R71E104KE14D MuRata 4 C35 C38 C39 C47 Capacitor ceramic 47 µF 25 V 20 X5R 1206 GRM188R61E106KA73D MuRata 1 C36 Capacitor ceramic 0 22 µF 50...

Страница 31: ...r 243 kΩ 1 0 063 W 0402 CRCW0402243KFKED Vishay Dale 1 R9 Resistor 196 kΩ 1 0 063 W 0402 CRCW0402196KFKED Vishay Dale 1 R12 Resistor 10 Ω 1 0 063 W 0402 RC0402FR 0710RL Yageo 1 R13 Resistor 37 4 kΩ 1 0 063 W 0402 CRCW040237K4FKED Vishay Dale 1 R14 Resistor 182 kΩ 1 0 063 W 0402 RC0402FR 07182KL Yageo America 1 R16 Resistor 210 Ω 1 0 063 W 0402 CRCW0402210RFKED Vishay Dale 1 R17 Resistor 4 7 kΩ 1 0...

Страница 32: ...previous revisions may differ from page numbers in the current version Changes from Revision A June 2020 to Revision B August 2020 Page Updated all figure numbers and section numbers 4 Removed Section of EMI Frequency Dithering 4 Added a note how to use a DC input voltage to the board 10 Changed test results of efficiency 12 Changed the output voltage ripple waveforms 19 Updated EMI test results w...

Страница 33: ...o 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 reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for and you will fully indemn...

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