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Line Transient

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SNVU587A – November 2017 – Revised October 2018

UCC28064EVM-004 300-W Interleaved PFC Pre-Regulator

Line Transient

A line transient test was conducted with an ac source on the EVM. The load was fixed at 200W and the
line was varied from 115Vac to 230Vac

The results are detailed in to UCC28064A line step data

Figure 14

C2: V

out

, C4: V

inAC

Figure 14. Line Step

Содержание UCC28064EVM-004

Страница 1: ...heir respective owners 1 Description The pre regulator uses UCC28064A PFC Interleaved Controller to shape the input current wave to provide power factor correction This device uses TI s Natural Interleaving technology to interleave boost phases This user s guide provides the schematic List of Materials assembly drawing for a single sided printed circuit board application and test set up informatio...

Страница 2: ... Texas Instruments Incorporated UCC28064EVM 004 300 W Interleaved PFC Pre Regulator 4 Schematics Figure 1 shows the schematic for this EVM See Table 1 for specific values To evaluate inductor ripple currents resistors R25 and R26 can be removed and replaced with current loops Figure 1 UCC28064EVM 004 Schematic Diagram ...

Страница 3: ...ed Connect an isolation transformer between the source and unit Attach a voltmeter and a resistive or electronic load to the unit output before supplying power to the EVM A separate 13 V bias supply is required to power the UCC28064A control circuitry The unit will start up under no load conditions However for safety a load must be connected to the output of the device before it is powered up The ...

Страница 4: ...r Down Instructions www ti com 4 SNVU587A November 2017 Revised October 2018 Submit Documentation Feedback Copyright 2017 2018 Texas Instruments Incorporated UCC28064EVM 004 300 W Interleaved PFC Pre Regulator Figure 2 Test Setup ...

Страница 5: ... 0 995 387 15 0 2 77 74 94 31 2 82 103 44 0 997 387 05 0 25 97 07 93 84 7 72 122 9 0 995 386 63 0 3 116 3 94 63 3 31 143 3 0 996 386 54 0 35 135 8 94 77 3 04 163 5 0 997 387 09 0 4 154 89 94 73 2 82 184 1 0 997 386 3 0 45 174 03 94 53 2 49 205 0 998 386 21 0 5 193 85 94 56 2 33 225 4 0 998 386 17 0 55 213 74 94 83 2 28 245 7 0 998 386 4 0 6 232 4 94 59 1 92 266 4 0 998 387 2 0 65 251 2 94 29 2 18 ...

Страница 6: ... Pre Regulator Table 3 Performance Data at 230Vac continued Pin W Power Factor Vo V Io A Pout W Effic THD 160 1 0 986 386 12 0 4 154 89 96 75 14 45 179 74 0 988 386 28 0 45 174 32 96 98 12 94 199 48 0 99 386 39 0 5 193 79 97 15 11 82 219 15 0 991 386 81 0 55 212 6 97 01 10 84 239 04 0 993 386 89 0 6 232 11 97 10 9 89 258 7 0 993 386 53 0 65 251 75 97 31 9 26 278 44 0 994 387 03 0 7 270 4 97 11 8 6...

Страница 7: ...tor 6 1 Burst Mode Operation Figure 5 and Figure 6 illustrate burst mode line current at 115Vac and 230Vac C2 GDA C3 GDB C1 ILINE Figure 5 115Vac 20W C2 GDA C3 GDB C1 ILINE Figure 6 230Vac 20W 6 2 Single Phase Operation Figure 7 and Figure 8 show the input line current gate drive signals GDA and GDB in the single phase mode C2 GDA C3 GDB C1 I LINE Figure 7 115Vac 80W C2 GDA C3 GDB C1 I LIN Figure ...

Страница 8: ...terleaved Operation Figure 9 and Figure 10 show the input line current gate drive signals GDA and GDB in the dual phase or interleaved mode phase mode C2 GDA C3 GDB C1 I LINE Figure 9 115V 200W C2 GDA C3 GDB C1 I LINE Figure 10 230V 200W 6 4 Startup Characteristics Figure 11 and Figure 12 show the startup behaviour at 85Vac and 264Vac C2 V out C4 V ACin Figure 11 Startup 85Vac 200W C2 V out C4 V A...

Страница 9: ...exas Instruments Incorporated UCC28064EVM 004 300 W Interleaved PFC Pre Regulator 6 5 Load Step A load transient test was conducted with an ac source on the EVM The load was varied from 50mA to 500mA to 50mA This corresponds to a 20W to 200W to 20W variation The results are detailed in Figure 13 C2 V out C4 I OUT Figure 13 Load Step ...

Страница 10: ...truments Incorporated UCC28064EVM 004 300 W Interleaved PFC Pre Regulator 7 Line Transient A line transient test was conducted with an ac source on the EVM The load was fixed at 200W and the line was varied from 115Vac to 230Vac The results are detailed in to UCC28064A line step data Figure 14 C2 V out C4 V inAC Figure 14 Line Step ...

Страница 11: ...ference Design Assembly Drawing Figure 15 to Figure 18 show the top and bottom layers respectively of the UCC28064EVM 004 printed circuit board NOTE Board layouts are not to scale These figures are intended to show how the board is laid out they are not intended to be used for manufacturing UCC28064EVM 004 PCBs Figure 15 Top Layer Assembly Figure 16 Top Layer Copper Figure 17 Bottom Layer Assembly...

Страница 12: ...pF 25 V 10 X7R 0805 8 85012E 11 Wurth Elektronik C17 1 CAP CERM 0 01 µF 50 V 5 X7R 0805 08055C103JAT2A AVX D1 D2 D4 3 Diode Ultrafast 600 V 3 A SMC MURS360T3G ON Semiconductor D3 1 Diode Switching Bridge 600 V 6 A TH GBU6J Fairchild Semiconductor F1 1 Fuse 8 A 250VAC VDC TH 0216008 MXESPP Littelfuse H1 H2 H3 3 Heatsink TO 220 Black Anodized 7 345 2PP BA CTS Electrocomponents H4 H5 H6 H7 4 Standoff...

Страница 13: ...G Vishay Dale R29 1 RES 47 0 k 1 0 125 W 0805 ERJ 6ENF4702V Panasonic RT1 1 Thermistor NTC 5 ohm 25 Disc 220x770 mil CL 40 GE Sensing RV1 1 Varistor 275V RMS 10MM Radial TH S10K275E2 TDK T1 T2 2 Inductor 340 uH CTX16 17769 R Eaton TP1 TP2 2 Test Point Miniature White TH 5002 Keystone U1 1 Natural Interleaving Transition Mode PFC Controller with Improved Light Load Efficiency D0016A SOIC 16 UCC2806...

Страница 14: ...y 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 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 repair such EVM or provide replacements Repaired EVMs shall be warr...

Страница 15: ...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 greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la réglementation d Industrie Canada le présent émetteur radio peut fo...

Страница 16: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult 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 ...

Страница 17: ...COST 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 USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Страница 18: ...se 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 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...

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