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3 Schematic Diagram

1.5pF

C4

1

2

3

Q1

HV_GND

130V

D2

160V

D3

1.0M

R1

130V

D4

22V

D5

Lpri=550 µH

130V

D6

HV_GND

2

1

1.6kV

D7

Npri:Nsec=10.2:1

Npri:Naux=8.5:1

18V

D9

130V

D8

HV_GND

Vout

100k

R8

Iso_GND

10uF

C7

AUX

200V

D13

60V

D12

1

2

3

Q3

Iso_GND

4.7uF

C13

22uF

C12

HV_GND

HV_GND

HV_GND

HV_GND

10.0

R11

HV_GND

Iso_GND

40V

D14

VREF

5V

RT/CT

3

1

2

Q4

OUT

FB

Gate_FET

2.5V

39.2

R14

COMP

1

FB

2

CS

3

RT/CT

4

GND

5

OUT

6

VDD

7

VREF

8

U1

UCC28C56H-Q1

HV_GND

COMP

HV_GND

HV_GND

HV_GND

3

1

2

Q6

HV_GND

HV_GND

20.0k

R19

VREF

HV_GND

3

1

2

Q7

CS

Rsense

0.91

R24

HV_GND

HV_GND

HV_GND

HV_GND

HV_GND

1

2

3

200V

D11

330nF

C17

127

R27

2.55k

R17

3.48k

R20

127

R16

100nF

C16

100

R4

R7

1000pF

C5

C6

20.0k

R13

10.0k

R6

40.2k

R12

15.0k

R23

4.02k

R22

2.00k

R26

1.00k

R21

324k

R18

1.00k

R5

1.0M

R3

2.2µF

C21

22pF

C23

0

R10

0.91

R25

HV_GND

10.0k

R9

47nF

C11

HV_GND

2

1

18V

D10

1

3

2

Q5

HV_GND

0.22uF

C2

1

6

5

3

8

9

10

11

NC

2

NC

4

NC

7

NC

12

T1

1uF

C18

160V

D1

0.22uF

C3

0.22uF

C1

3

1

2

Q8

1

2

3

Q2

+

1000uF

C9

+

1000uF

C10

44.2k

R15

62

R2

2200pF

C14

62

R28

22nF

C19

100pF

C20

100pF

C22

10uF

C8

1000pF

C15

2200pF

C24

VDD

VIN

Slope Compensation

Leading Edge

Current Filtering

Soft Start

HV Startup for VDD

HV Clamp

Iso_GND

AUX Supply

SW

Disable HV

Startup

Current

Voltage

Feedback

Sensing

Gate Drive

Blanking

Figure 3-1. UCC28C56EVM-066 Schematic.

www.ti.com

Schematic Diagram

SLUUCN1C – JUNE 2022 – REVISED DECEMBER 2022

Submit Document Feedback

Using the UCC28C56EVM-066 High-Density 40-W Auxiliary Power Supply for 

800-V Traction Inverters

5

Copyright © 2022 Texas Instruments Incorporated

Содержание UCC28C56EVM-066

Страница 1: ...ation 10 to 100 Load 10 5 5 Light Load Regulation 0 mA to 200 mA Load 11 5 6 Line Regulation Various Loads 11 5 7 Startup Waveforms 12 5 8 Shutdown Waveforms 14 5 9 Output Voltage Ripple 16 5 10 Steady State Switching Waveforms 18 5 11 Transient Load Waveforms 20 5 12 Over Current and Short Circuit Protections 22 5 13 Stability Measurements 24 5 14 Thermal Measurements 26 6 Assembly and Printed Ci...

Страница 2: ...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 Safety As a...

Страница 3: ...t two layer PCB The controller and it s associated power components are tightly compacted into a 50 mm x 86 mm area highlighted by the white rectangle show on the top silkscreen Note C1 is not included with the critical components because it s considered to be part of the general VIN bypass capacitors in the system Every effort was made to use automotive qualified components An automotive qualifie...

Страница 4: ... V IOUT 1 3 A 1 MHz BWL 280 VOUT_SS_DELAY VIN applied to when VOUT begins rising from 0 V VIN 50 V IOUT 1 3 A 255 ms VIN 1000 V IOUT 2 7 A 230 VOUT_SS_trise VOUT soft start rise time IOUT 2 7 A 10 ms VOUT_SS_OS VOUT soft start overshoot VIN 1000 V IOUT 2 7 A 3 5 PMAX Maximum output power 125 V VIN 1000 V 40 W 40 V VIN 125 V 20 SYSTEMS CHARACTERISTICS η Full load efficiency VIN 400 V IOUT 2 7 A 87 ...

Страница 5: ...C6 20 0k R13 10 0k R6 40 2k R12 15 0k R23 4 02k R22 2 00k R26 1 00k R21 324k R18 1 00k R5 1 0M R3 2 2µF C21 22pF C23 0 R10 0 91 R25 HV_GND 10 0k R9 47nF C11 HV_GND 2 1 18V D10 1 3 2 Q5 HV_GND 0 22uF C2 1 6 5 3 8 9 10 11 NC 2 NC 4 NC 7 NC 12 T1 1uF C18 160V D1 0 22uF C3 0 22uF C1 3 1 2 Q8 1 2 3 Q2 1000uF C9 1000uF C10 44 2k R15 62 R2 2200pF C14 62 R28 22nF C19 100pF C20 100pF C22 10uF C8 1000pF C15...

Страница 6: ...ads of 0 A to 3 0 A 3 Two DVMs measuring DC voltage a The DVM monitoring VIN must be able to withstand 1000 Vdc 4 Two DVMs measuring DC current 5 Oscilloscope 4 channel 500 MHz or better a Recommend three high voltage probes rated to 1000 V CAT II 2500 Vpk b Recommend one differential probe 140V low range at 1 20 1400V high range at 1 200 6 Thermal camera optional or thermocouple to measure T1 cas...

Страница 7: ...18 7 Vdc c VDD white TP to GND 18 6 Vdc d VREF white TP to GND 5 0 Vdc e FB white TP to GND 2 5 Vdc 8 Turn off the VIN supply 9 Increase VIN to 400 V with 1 3 A load and repeat steps 4 to 8 Verify that VOUT is OK at this condition 10 Turn off the VIN supply 11 Increase VIN to 800 V At 800 V and 0 25 A load and 2 7 A load your result should be similar to figure 5 7 and figure 5 8 If your results ar...

Страница 8: ... White Inverting input to the error amplifier 2 45 V 2 5 V 2 55 V RT CT TP White Fixed frequency triangle oscillator 0 9 VTYP 1 4 VPP 2 3 VPP VIN TP Red Input voltage 40 V 1000 V V_AUXL TP White AUX voltage after a 10 ohm series resistor 18 7 V V_AUX TP White AUX output voltage 18 7 V VG TP White Voltage at the gate of the SiC MOSFET 0 V 18 V SWN TP Silver Switching node bottom of the PCB 0 V VIN ...

Страница 9: ...5 2 Efficiency Versus VIN at 100 Load VIN V Efficiency 200 300 400 500 600 700 800 900 1000 75 77 5 80 82 5 85 87 5 90 92 5 95 Figure 5 2 UCC28C56EVM Efficiency Versus VIN at 100 Load www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 9 Copyright 2022 Texas Ins...

Страница 10: ... 10 to 100 Load Load Current A Output Error 0 25 0 5 0 75 1 1 25 1 5 1 75 2 2 25 2 5 2 75 4 3 2 1 0 1 2 3 4 800 VIN 1000 VIN Figure 5 4 UCC28C56EVM Load Regulation 10 to 100 Load Performance Data www ti com 10 Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instrum...

Страница 11: ...lation Various Loads Input Voltage V Output Error 50 150 250 350 450 550 650 750 850 950 5 4 3 2 1 0 1 2 3 4 5 0 5 A Load 1 3 A Load 2 0 A Load 2 7 A Load Figure 5 6 UCC28C56EVM Line regulation various loads www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 11...

Страница 12: ...5 8 Start Up 2 VIN 50 V Load 1 3 A Performance Data www ti com 12 Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 13: ...Up 4 VIN 1000 V Load 2 7 A www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 13 Copyright 2022 Texas Instruments Incorporated ...

Страница 14: ... 5 12 Shutdown VIN Removal VIN 50 V Load 1 3 A Performance Data www ti com 14 Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 15: ...wn VIN Removal VIN 1000 V Load 2 7 A www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 15 Copyright 2022 Texas Instruments Incorporated ...

Страница 16: ...e 5 16 Output Voltage Ripple VIN 50 V Load 1 3 A Performance Data www ti com 16 Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 17: ... Voltage Ripple VIN 1000 V Load 2 7 A www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 17 Copyright 2022 Texas Instruments Incorporated ...

Страница 18: ... Figure 5 20 Steady State VIN 50 V Load 1 3 A Performance Data www ti com 18 Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 19: ... State VIN 1000 V Load 2 7 A www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 19 Copyright 2022 Texas Instruments Incorporated ...

Страница 20: ...ure 5 24 Transient Response VIN 50 V Load 100 mA to 1 3 A at 25 Hz 50 duty Performance Data www ti com 20 Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 21: ...ent Response VIN 800 V Load 0 25 A to 2 7 A at 25 Hz 50 duty www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 21 Copyright 2022 Texas Instruments Incorporated ...

Страница 22: ...und Figure 5 28 50 VIN Output shorted to ground during operation Performance Data www ti com 22 Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 23: ...Output shorted to ground during operation www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 23 Copyright 2022 Texas Instruments Incorporated ...

Страница 24: ...re 5 32 Bode Plot VIN 50 V Load 1 3 A Performance Data www ti com 24 Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 25: ...lot VIN 800 V Load 2 7 A www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 25 Copyright 2022 Texas Instruments Incorporated ...

Страница 26: ...igure 5 36 and 2 using a thermal camera and black electrical tape placed directly over the thermocouple windings see figure 5 37 The two methods provided results within 2 C of each other Temperature of the output rectifier diode and switching MOSFET were taken only with the thermal camera The PCB temperature near the transformer was measured with a thermocouple Figure 5 35 UCC28C56H EVM in plexigl...

Страница 27: ... 65 70 75 80 85 90 95 200 VIN 400 VIN 600 VIN 800 VIN 1000 VIN Figure 5 38 Transformer temperature vs load www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 27 Copyright 2022 Texas Instruments Incorporated ...

Страница 28: ...rature rise 54 8 C PCB temperature 30 6 C Transformer TRISE 53 9 C 30 6 C 23 3 C Figure 5 40 Output diode temperature is 43 6 C Figure 5 41 MOSFET temperature is 46 3 C Performance Data www ti com 28 Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incor...

Страница 29: ...rature rise 86 5 C PCB temperature 37 6 C Transformer TRISE 86 5 C 37 6 C 48 9 C Figure 5 43 Output diode temperature is 61 5 C Figure 5 44 MOSFET temperature is 72 8 C www ti com Performance Data SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 29 Copyright 2022 Texas Instruments Incor...

Страница 30: ...ers are dedicated to routing only the test points Figure 6 1 UCC28C56EVM 066 PCB Top Layer Assembly Figure 6 2 UCC28C56EVM 066 Signal Layer 1 Routing for test points only Assembly and Printed Circuit Board PCB www ti com 30 Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Copyright 2022...

Страница 31: ...PCB Bottom Layer Assembly mirrored view www ti com Assembly and Printed Circuit Board PCB SLUUCN1C JUNE 2022 REVISED DECEMBER 2022 Submit Document Feedback Using the UCC28C56EVM 066 High Density 40 W Auxiliary Power Supply for 800 V Traction Inverters 31 Copyright 2022 Texas Instruments Incorporated ...

Страница 32: ... 0805 GCM21BR71E22 5KA73L MuRata 17 C23 1 22pF CAP CERM 22 pF 50 V 5 C0G NP0 0805 0805 CC0805JRNPO9 BN220 Yageo 18 D1 D3 2 160V Diode TVS Uni 160V 259VC AEC Q101 SMC SMC SMCJ160AHE3_ A I Vishay Semiconductor SMCJ160A TP Micro Commercial Co 19 D2 D4 D6 D8 4 130V Diode Zener 130 V 200 mW SOD 323F AEC Q101 SOD 323F UDZLVFHTE 171 30 Rohm 20 D5 1 22V Diode Zener 22 V 5 200 mW SOD 323 AEC Q101 SOD 323 B...

Страница 33: ...100k RES 100 k 1 0 125 W AEC Q200 Grade 0 0805 0805 CRCW0805100K FKEA Vishay Dale 44 R10 1 0 RES 0 5 0 25 W AEC Q200 Grade 0 1206 1206 CRCW12060000 Z0EA Vishay Dale 45 R11 1 10 0 RES 10 0 1 0 1 W AEC Q200 Grade 0 0603 0603 CRCW060310R0 FKEA Vishay Dale 46 R12 1 40 2k RES 40 2 k 1 0 125 W AEC Q200 Grade 0 0805 0805 ERJ 6ENF4022V Panasonic 47 R13 1 20 0k RES 20 0 k 1 0 125 W AEC Q200 Grade 0 0805 08...

Страница 34: ...int SMT PC Test Point SMT 5017 Keystone 67 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 8 Test Point Multipurpose White TH White Multipurpose Testpoint 5012 Keystone 68 U1 1 Automotive BiCMOS Low Power Current Mode PWM Controller SOIC 8 AEC Q101 D0008A UCC28C56QDRQ 1 Texas Instruments 69 C6 0 1000pF CAP CERM 1000 pF 630 V 5 C0G NP0 1206 1206 GRM31B5C2J102 JW01L MuRata 70 C25 0 0 33uF CAP CERM 0 33 uF 5...

Страница 35: ...Fairchild Semiconductor 85 U3 0 Automotive Catalog Adjustable Precision Shunt Regulator 34 ppm degC 100 mA 40 to 125 degC 3 pin SOT 23 DBZ Green RoHS no Sb Br DBZ0003A TL431AQDBZRQ 1 Texas Instruments Notes Unless otherwise noted in the Alternate PartNumber and or Alternate Manufacturer columns all parts may be substituted with equivalents 8 Revision History NOTE Page numbers for previous revision...

Страница 36: ...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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