User's Guide
SLUUBS3C – October 2017 – Revised November 2019
UCC28056BEVM-296 Evaluation Module
This user’s guide provides basic evaluation instruction from a viewpoint of system operation of a standalone PFC boost power converter.
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Contents
Introduction ................................................................................................................... 4
Description .................................................................................................................... 4
Performance Specifications ................................................................................................ 6
Test Setup .................................................................................................................... 6
Test Points .................................................................................................................... 8
Terminals ..................................................................................................................... 8
Test Procedure ............................................................................................................... 8
Performance Data and Typical Characteristic Curves................................................................. 10
Schematic, Assembly Drawing and Bill of Materials ................................................................... 17
List of Figures
1
UCC28056BEVM-296 Recommended Test Setup ...................................................................... 7
2
Efficiency .................................................................................................................... 10
3
Load Regulation versus Output Power .................................................................................. 10
4
Line Regulation versus Input Voltage
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...................................................................................
Power Factor versus Output Power .....................................................................................
THD versus Output Power ................................................................................................
85 VAC Start-up No Load .................................................................................................
115 VAC Start-up No Load ...............................................................................................
115 VAC Start-up Full Load ..............................................................................................
230 VAC Start-up No Load ...............................................................................................
230 VAC Start-up Full Load ..............................................................................................
265 VAC Start-up No Load ...............................................................................................
265 VAC Start-up Full Load ..............................................................................................
Low-Line Voltage and Current ............................................................................................
High-Line Voltage and Current ...........................................................................................
85 VAC Valley Switching 50-mA Load ..................................................................................
115 VAC Valley Switching 50-mA Load .................................................................................
230 VAC Valley Switching 100-mA Load ...............................................................................
265 VAC Valley Switching 100-mA Load ..............................................................................
Q1 Max Vds Stress ........................................................................................................
D4 Max Voltage Stress ....................................................................................................
UCC28056BEVM-296 Schematic ........................................................................................
UCC28056BEVM-296 Top Assembly Drawing (Top view) ...........................................................
UCC28056BEVM-296 Bottom Layer Assembly Drawing (Top view) ................................................
UCC28056BEVM-296 Top Copper Assembly Drawing (Top view)..................................................
UCC28056BEVM-296 Bottom Copper Assembly Drawing (Top view) ..............................................
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List of Tables
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1
EVM Performance Specification ........................................................................................... 6
2
Test Points .................................................................................................................... 8
3
List of Terminals ............................................................................................................. 8
4
Total Standby Power....................................................................................................... 10
5
Bill of Materials
.............................................................................................................
20
Trademarks
All trademarks are the property of their respective owners.
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0.1
General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
WARNING
Always follow TI’s setup and application instructions, including use of all interface components within their
recommended electrical rated voltage and power limits. Always use electrical safety precautions to help
ensure your personal safety and those working around you. Contact TI's Product Information Center
http://support/ti./com for further information.
Save all warnings and instructions for future reference.
WARNING
Failure to follow warnings and instructions may result in personal injury,
property damage or death due to electrical shock and burn hazards.
The term TI HV EVM refers to an electronic device typically provided as an open framed, unenclosed
printed circuit board assembly. It is intended strictly for use in development laboratory environments,
solely for qualified professional users having training, expertise and knowledge of electrical safety risks in
development and application of high voltage electrical circuits. Any other use and/or application are strictly
prohibited by Texas Instruments. If you are not suitable qualified, you should immediately stop from further
use of the HV EVM.
1. Work Area Safety
a. Keep work area clean and orderly.
b. Qualified observer(s) must be present anytime circuits are energized.
c. Effective barriers and signage must be present in the area where the TI HV EVM and its interface
electronics are energized, indicating operation of accessible high voltages may be present, for the
purpose of protecting inadvertent access.
d. All interface circuits, power supplies, evaluation modules, 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 precautionary measure, it is always a good engineering practice to assume that the entire EVM
may have fully accessible and active high voltages.
a. De-energize the TI HV EVM and all its inputs, outputs and electrical loads before performing any
electrical or other diagnostic measurements. Revalidate that TI HV EVM power has been safely
de-energized.
b. With the EVM confirmed de-energized, proceed with required electrical circuit configurations,
wiring, measurement equipment connection, and other application needs, while still assuming the
EVM circuit and measuring instruments are electrically live.
c. After EVM readiness is complete, energize the EVM as intended.
WARNING
While the EVM is energized, never touch the EVM or its electrical
circuits, as they could be at high voltages capable of causing electrical
shock hazard.
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Introduction
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3. Personal Safety
a. Wear personal protective equipment (for example, latex gloves or safety glasses with side shields)
or protect EVM in an adequate lucent plastic box with interlocks to protect from accidental touch.
Limitation for safe use:
EVMs are not to be used as all or part of a production unit.
1
Introduction
The purpose of the UCC28056BEVM-296 (EVM) is to aid in evaluation of the UCC28056X transition mode
boost PFC converter. The EVM is a stand-alone PFC converter designed to operate with 85 to 265 VRMS,
47 to 63 Hz, AC input and up to 165-W DC output from 90 VAC to 265 VAC and 140 W at 85 VAC. The
EVM can be used as it is delivered without additional work to evaluate a transition mode boost PFC
converter. This user’s guide provides basic evaluation instruction from a viewpoint of system operation of
a stand-alone PFC boost power converter.
2
Description
2.1
Typical Applications
This EVM is used in the following applications:
• AC adapter front end
• Set top box
• Desktop computing
• Gaming
• Electronic lamp ballast
• Digital TV
• Entry-level server and web server
2.2
Features
This EVM has the following features:
• Unified algorithm for working in critical mode (CRM) and discontinuous conduction mode (DCM) with a
high power factor across the entire operating range
• AC input voltage from 85 to 265 VRMS
• AC line frequency from 47 to 63 Hz
• Up to 165-W output power
• High efficiency
• TM, DCM control gives improved light-load efficiency
• Burst mode for reduced standby consumption
• Non-linear gain gives improved transient response
• User-adjustable valley switching
• Robust full-featured protection including overtemperature protection, brown-out protection, output
overvoltage, cycle-by-cycle overcurrent, and gross overcurrent protections
• Test points to facilitate device and topology evaluation
2.3
Using the EVM with UCC28056A
To use this EVM with UCC28056A:
1. Replace U1 with UCC28056A.
Note that the OVP1 protection level is triggered at 421 V output because of the lower threshold of this
variant.
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Description
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2.4
Using the EVM with UCC28056C
To use this EVM with UCC28056C:
1. Replace U1 with UCC28056C.
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Performance Specifications
3
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Performance Specifications
Table 1 displays the EVM performance specifications.
Table 1. EVM Performance Specification
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VRMS
Input Characteristics
AC Voltage Range
85
265
AC Voltage Frequency
47
63
VCC UVLO On
VCC UVLO Off
Hz
10.65
VDC
8.85
VDC
Input = 85 VAC, Full Load = 165 W
1.85
Input = 115 VAC, Full Load = 165 W
1.43
Input = 230 VAC, Full Load = 165 W
0.71
Input = 265 VAC, Full Load = 165 W
0.64
Output Voltage
No Load to Full Load
390
Output Power
90 to 265 VAC
165
Output Power
85 VAC
140
W
10
Vpp
Input DC Current
Arms
Output Characteristics
Output Voltage Ripple
VDC
W
System Characteristics
Peak Efficiency
Operating Temperature
4
Test Setup
4.1
Test Equipment
97
Natural Convection
25
%
°C
DC Voltage Source: External DC input for VCC. The DC source must be capable of supplying 12 V and up
to 100 mA.
AC Voltage Source: Capable of single-phase output AC voltage 85 to 265 VAC, 47 to 63 Hz, adjustable,
with minimum power rating 200 W and current limit function. The AC voltage source to be used must meet
IEC60950 reinforced insulation requirement.
DC Digital Multimeter: One unit capable of 0 to 450 VDC input range, four-digit display preferred
Output Load: DC load capable of receiving 380 to 410 VDC, 0.5 A, and 0 to 200 W or greater, with the
capability to display load current, load power, and so forth.
Digital AC Power Meter: Capable of 0 to 300 VAC voltage measurement, 0 to 10 Arms current
measurement. Native power factor measurement and input current THD measurement is preferred.
Oscilloscope: Capable of 500-MHz full bandwidth, digital or analog: if digital, 5 Gsps, or better.
Fan: 200 to 400 LFM forced air cooling is recommended, but not required.
Recommended Wire Gauge: Capable of 10 A, or better than #14 AWG, with the total length of wire less
than 8 feet (4 feet input and 4 feet return).
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Test Setup
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4.2
Recommended Test Setup
Figure 1 illustrates the recommended test setup.
Figure 1. UCC28056BEVM-296 Recommended Test Setup
WARNING
High voltages that may cause injury exist on this evaluation
module (EVM). Please ensure all safety procedures are followed
when working on this EVM. Never leave a powered EVM
unattended.
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Test Points
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Test Points
Table 2 lists the EVM test points.
Table 2. Test Points
6
TEST POINTS
NAME
TP1
Line
TP2
Neutral
TP3
Rect
TP4
COMP
DESCRIPTION
AC line
AC neutral
AC rectifier output
Transconductance amplifier output
TP5
DRV
Gate-drive output
TP6
GND
Ground
TP7
GND
Ground
TP8
GND
Ground
VCC sense
TP9
VCC
TP10
VOSNS
TP11
BLK
Bulk sense
TP12
TP12
Small signal injection terminal
TP13
TP13
Small signal injection terminal
TP14
VEE
DC input ground
TP15
RVCC
Positive DC input
TP16
VOUT+
Output voltage
TP17
VOUT–
Output voltage return
Voltage error amplifier inverting input
Terminals
Table 3 lists the EVM terminals.
Table 3. List of Terminals
7
TERMINAL
NAME
DESCRIPTION
J1
AC Input
J3
I_IND
Inductor current sense
J8
RVCC
2-pin, DC power input, 12 V typical
J9
VOUT
4-pin, output voltage terminal, 390 V typical
3-pin, AC power input, 85 V–265 V
Test Procedure
Use the following steps for the test procedure:
1. Refer to Figure 1 for basic setup. Table 2 lists the required equipment for this measurement.
2. Before making electrical connections, visually check the board to make sure there are no suspected
spots of damage.
3. Use a loop of wire to short the J3 terminals. Connect a current probe around the wire loop to measure
the inductor current using an oscilloscope.
4. Keep the AC voltage source output off. Connect the AC source to the input of the AC power meter.
Connect the output of the AC power meter to J1 with AC_line to J1-3, AC_earth to J1-1, and
AC_neutral to J1-2. Isolate the AC voltage source and meet the IEC60950 requirement. Set the AC
output voltage and frequency within the range specified in Table 1, between 85 and 265 VAC and 47
to 63 Hz. Set the AC source current limit to 8.5 A.
8
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CAUTION
While the EVM does have a fuse installed, failure to set an appropriate current
limit may result in damage to the fuse or other EVM components.
5. Keep the DC voltage source output off. Connect the DC source to J2. Set the DC output voltage to 12
V and the current limit to 100 mA.
6. Connect an electronic load set to either constant-current mode or constant-resistance mode. The load
range is from 0 to 423 mA.
7. If the load does not have a current or a power display, TI recommends inserting a current meter
between the output voltage and the electronic load.
8. Connect a voltage meter to TP16 and TP17 to monitor the output voltage
9. Turn on the AC voltage source output.
10. Turn on the DC source output.
7.1
Equipment Shutdown
Shut down the equipment using the following steps:
1. Shut down the AC voltage source.
2. Shut down the DC voltage source.
3. Shut down the electronic load.
WARNING
High voltage may still be present after turning off the AC and DC
sources. Use the electronic load to discharge the output
capacitance before handling the EVM.
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Performance Data and Typical Characteristic Curves
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Performance Data and Typical Characteristic Curves
8.1
Standby Power
Table 4 lists the total standby power measurement. The electronic load is physically disconnected from J9
for this test. The average input power is measured at VI and external VCC over a five minute interval.
Table 4. Total Standby Power
INPUT VOLTAGE(VRMS)
8.2
INPUT POWER (mW)
VCC VOTALGE (V)
VCC CURRENT (µA)
TOTAL STANDBY
POWER (mW)
85
17
12.00743
104.0338
18.22
115
21.3
12.01006
107.022
22.83
230
38.6
12.00832
105.630
39.84
265
47.9
12.00830
105.902
49.11
Efficiency
Figure 2 illustrates the EVM efficiency graph.
Figure 2. Efficiency
8.3
Load Regulation
Figure 3 illustrates the load regulation versus output power graph.
Figure 3. Load Regulation versus Output Power
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8.4
Line Regulation
Figure 4 illustrates the line regulation versus input voltage graph.
395
Output Power = 50W
Output Power = 165W
394
393
392
Output Voltage (V)
391
390
389
388
387
386
385
384
383
382
381
380
80
90
100
110
120
130
140
150
160
170
180
190
200
210
Line Voltage (Vrms)
220
230
240
250
260
270
280
D003
Figure 4. Line Regulation versus Input Voltage
8.5
Power Factor
Figure 5 illustrates the power factor versus output power graph.
1
0.95
0.9
0.85
Power Factor (%)
0.8
0.75
0.7
0.65
0.6
0.55
0.5
0.45
0.4
0.35
Vin = 115 V
Vin = 230 V
0.3
0.25
0
20
40
60
80
100
Output Power (W)
120
140
160
180
D007
Figure 5. Power Factor versus Output Power
8.6
THD
Figure 6 illustrates the THD versus output power graph.
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Performance Data and Typical Characteristic Curves
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20
Vin = 115 V
Vin = 230 V
19
18
17
16
15
14
THD (%)
13
12
11
10
9
8
7
6
5
4
3
2
1
0
70
80
90
100
110
120
130
Output Power (W)
140
150
160
170
D005
Figure 6. THD versus Output Power
8.7
Start-up
The following waveforms show the output voltage behavior when the line voltage has already been
applied and the instant the VCC voltage exceeds the start-up threshold. From Figure 7 to Figure 13,
Channel 1 = VCC, Channel 2 = input voltage, and Channel 3 = output voltage.
Figure 7. 85 VAC Start-up No Load
12
UCC28056BEVM-296 Evaluation Module
Figure 8. 115 VAC Start-up No Load
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Figure 9. 115 VAC Start-up Full Load
Figure 10. 230 VAC Start-up No Load
Figure 11. 230 VAC Start-up Full Load
Figure 12. 265 VAC Start-up No Load
Figure 13. 265 VAC Start-up Full Load
8.8
Line Voltage and Line Current
Figure 14 and Figure 15 illustrate the low- and high-line voltage and current waveforms.
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Performance Data and Typical Characteristic Curves
Figure 14. Low-Line Voltage and Current
8.9
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Figure 15. High-Line Voltage and Current
Valley Switching
The following waveforms shows drain to source voltage of the MOSFET and the valley switching action on
the EVM.
Figure 16. 85 VAC Valley Switching 50-mA Load
14
UCC28056BEVM-296 Evaluation Module
Figure 17. 115 VAC Valley Switching 50-mA Load
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Figure 18. 230 VAC Valley Switching 100-mA Load
Figure 19. 265 VAC Valley Switching 100-mA Load
8.10 Voltage Stress Q1
Figure 20 illustrates the voltage stress Q1 waveform.
Figure 20. Q1 Max Vds Stress
8.11 Voltage Stress D4
Figure 21 illustrates the voltage stress D4 waveform.
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Performance Data and Typical Characteristic Curves
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Figure 21. D4 Max Voltage Stress
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Schematic, Assembly Drawing and Bill of Materials
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9
Schematic, Assembly Drawing and Bill of Materials
9.1
Schematic
Figure 22 illustrates the EVM schematic.
Figure 22. UCC28056BEVM-296 Schematic
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Schematic, Assembly Drawing and Bill of Materials
9.2
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Assembly Drawing
Figure 23 through Figure 26 illustrate the EVM assembly drawings.
Figure 23. UCC28056BEVM-296 Top Assembly Drawing (Top view)
Figure 24. UCC28056BEVM-296 Bottom Layer Assembly Drawing (Top view)
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Figure 25. UCC28056BEVM-296 Top Copper Assembly Drawing (Top view)
Figure 26. UCC28056BEVM-296 Bottom Copper Assembly Drawing (Top view)
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Schematic, Assembly Drawing and Bill of Materials
9.3
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Bill of Materials
Table 5 contains the EVM BOM.
Table 5. Bill of Materials
DESIGNATOR
20
QTY
VALUE
DESCRIPTION
PACKAGE REFERENCE
Printed Circuit Board
PART NUMBER
!PCB1
1
C1, C2
2
0.33 µF
CAP, Film, 0.33 µF, 630 V, ±20%, TH
17.5×16.5×10 mm
BFC233841334
C3
1
0.22 ƒF
CAP, Film, 0.22 µF, 630 V, ±10%, TH
B32922_12.5 mm
B32922C3224K
C4, C5
2
1000 pF
CAP, CERM, 1000 pF, V, ±20%, E, D7xT6mm
D7×T6 mm
CD45-E2GA102M-NKA
C6
1
0.47 µF
CAP, Film, 0.47 µF, 450 V, ±5%, TH
18×6.5 mm
450MPK474J
C7
1
0.033 µF
CAP, CERM, 0.033 µF, 50 V, ±5%, X7R, 0603
0603
06035C333JAT2A
C8
1
1 µF
CAP, CERM, 1 µF, 25 V, ±10%, X7R, 0603
0603
06033C105KAT2A
C9
1
10 pF
CAP, CERM, 10 pF, 1000 V, ±5%, C0G/NP0, 0805
0805
VJ0805A100JXGAT5Z
C10
1
3300 pF
CAP, CERM, 3300 pF, 100 V, ±5%, NP0, 0603
0603
CGA3E2NP02A332J080AA
C11
1
470 pF
CAP, CERM, 470 pF, 100 V, ±5%, C0G/NP0, 0603
0603
GRM1885C2A471JA01D
C12
1
0.47 µF
CAP, CERM, 0.47 µF, 50 V, ±10%, X7R, 0805
0805
GRM21BR71H474KA88L
C13
1
10 pF
CAP, CERM, 10 pF, 10 V, ±10%, X7R, 0603
0603
0603ZC100KAT2A
C14
1
2200 pF
CAP, CERM, 2200 pF, 50 V, ±5%, C0G/NP0, 1206
1206
GRM3195C1H222JA01D
C15
1
10 µF
CAP, AL, 10 µF, 50 V, ±20%, TH
D5×L11 mm
EKMG500ELL100ME11D
C16, C17
2
68 µF
CAP, AL, 68 µF, 450 V, ±20%, TH
D12.5×L45 mm
450BXW68MEFC12.5X45
D1
1
600 V
Diode, P-N-Bridge, 600 V, 4 A, TH
GBU
GBU4J-BP
D2
1
600 V
Diode, Fast Rectifier, 600 V, 3 A, TH
DO-201AD
MR856G
D3
1
30 V
Diode, Schottky, 30 V, 0.35 A, SOD-323
SOD-323
BAT48JFILM
D4
1
600 V
Diode, Ultrafast, 600 V, 5 A, TH
DO-201AD
STTH5L06
D5
1
100 V
Diode, Switching, 100 V, 0.15 A, SOD-123FL
SOD-123FL
1N4148WFL-G3-08
F1
1
Fuse, 5 A, 250 VAC/VDC, TH
TR5 fuse 8.5 mm DIA
37215000001
H1, H4, H6, H8
4
HEX STANDOFF 6-32 NYLON 1-1/2"
HEX STANDOFF 6-32
NYLON 1-1/2 inch
4824
H2, H5, H7, H9
4
Standoff, Hex, 0.5"L #6-32 Nylon
6-32 HEX Nylon standoff
0.500 mil
1903C
H3
1
Custom HeatSink, 120×42×10 mm
HeatSink, 120×42×10 mm
FL12-013-120x42
H10, H11, H12
3
MACHINE SCREW PAN PHILLIPS, 5/16", 4-40
H13, H14, H15
3
Washer, Split Lock, #4
H16
1
TO-220 Mounting Kit
H17, H18, H19
3
Nut, Hex, 1/4" Thick, #4-40
J1
1
Terminal Block, 5.08 mm, 3x1, Brass, TH
3×1 5.08 mm Terminal
Block
ED120/3DS
J2, J4
2
Jumper Wire, 700 mil spacing, Violet, pkg of 150, TH
700 mil Jumper Wire
923345-07-C
J3
1
Terminal Block, 5.08 mm, 2x1, TH
2POS Terminal Block
1715721
J5, J6
2
Jumper Wire, 2" spacing, Red, pkg of 100, TH
Jumper Wire, 2" Spacing,
Red, Pkg of 100
923345-20-C
J7
1
Jumper Wire, 500 mil spacing, Green, pkg of 200
500 mil Jumper Wire
923345-05-C
J8
1
Terminal Block, 5.08 mm, 2x1, Brass, TH
2×1 5.08 mm Terminal
Block
ED120/2DS
J9
1
Terminal Block, 5.08 mm, 4x1, Brass, TH
4×1 5.08 mm Terminal
Block
ED120/4DS
L1
1
220 µH
Inductor, Wirewound, Ferrite, 220 µH, 2.42 A, 0.168 Ω, TH
D630×H810mil
DC630R-224K
L2
1
20 mH
Coupled inductor, 20 mH, 3 A, 0.16 Ω, TH
30×35×21 mm
744825320
L3
1
200 µH
Inductor, 200 µH, 0.223 Ω, TH, RevA
TH, 5-Leads, Body
26.16×26.16 mm
750317130
Q1
1
600 V
MOSFET, N-CH, 600 V, 21 A, TO-220FP
TO-220FP
STF28N60DM2
R1
1
180 k
RES, 180 k, 5%, 0.1 W, 0603
0603
CRCW0603180KJNEA
R2
1
1.0
RES, 1.0, 5%, 0.125 W, 0805
0805
CRCW08051R00JNEA
R3
1
10
RES, 10, 5%, 0.125 W, 0805
0805
CRCW080510R0JNEA
R4
1
82.5 k
RES, 82.5 k, 1%, 0.125 W, 0805
0805
ERJ-6ENF8252V
R5, R6, R7, R15,
R16, R17
6
3.24 Meg
RES, 3.24 M, 1%, 0.25 W, 1206
1206
CRCW12063M24FKEA
R8
1
24.3 k
RES, 24.3 k, 1%, 0.1 W, 0603
0603
CRCW060324K3FKEA
R9, R10
2
0.13
RES, 0.13, 1%, 0.5 W, 1206
1206
CSR1206FTR130
R11
1
453 k
RES, 453 k, 1%, 0.25 W, 1206
1206
CRCW1206453KFKEA
R12
1
3.0 k
RES, 3.0 k, 5%, 0.1 W, 0603
0603
CRCW06033K00JNEA
UCC28056BEVM-296 Evaluation Module
SV601296
PMSSS 440 0031 PH
4693
TO-220 Mounting Kit
4880SG
HNSS440
SLUUBS3C – October 2017 – Revised November 2019
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Copyright © 2017–2019, Texas Instruments Incorporated
Schematic, Assembly Drawing and Bill of Materials
www.ti.com
Table 5. Bill of Materials (continued)
DESIGNATOR
QTY
VALUE
DESCRIPTION
PACKAGE REFERENCE
PART NUMBER
R13
1
0
RES, 0, 5%, 0.25 W, 1206
1206
CRCW12060000Z0EA
R14
1
51
RES, 51, 5%, 0.25 W, 1206
1206
CRCW120651R0JNEA
R18
1
36.5 k
RES, 36.5 k, 1%, 0.25 W, 1206
1206
CRCW120636K5FKEA
R19
1
120 k
RES, 120 k, 5%, 0.25 W, 1206
1206
CRCW1206120KJNEA
R20
1
75 k
RES, 75 k, 5%, 0.25 W, 1206
1206
CRCW120675K0JNEA
R21
1
390 k
RES, 390 k, 5%, 0.25 W, 1206
1206
CRCW1206390KJNEA
R22
1
10.0
RES, 10.0, 1%, 0.25 W, 1206
1206
CRCW120610R0FKEA
RT1
1
4.70 Ω
Thermistor NTC, 4.70 Ω, 20%, 8.5 mm Disc
8.5mm Disc
B57153S0479M000
RV1
1
VARISTOR 490 V 1.2KA DISC 7MM
Dia. 7 mm
V300LA2P
SIL1
1
Silicon Thermal Pad
24×21 mm
SP900S-0.009-00-114
TP1, TP3, TP9,
TP12, TP15, TP16
6
Test Point, Multipurpose, Red, TH
Red Multipurpose Testpoint
5010
TP2, TP4, TP5,
TP10, TP11
5
Test Point, Multipurpose, White, TH
White Multipurpose
Testpoint
5012
TP6, TP7, TP8,
TP13, TP14, TP17
6
Test Point, Multipurpose, Black, TH
Black Multipurpose
Testpoint
5011
U1
1
6-Pin Single-Phase Transition-Mode PFC Controller,
DBV0006A (SOT-23-6)
DBV0006A
UCC28056B_DBV
C18
0
CAP, Film, 0.47 µF, 450 V, ±5%, TH
18×6.5 mm
450MPK474J
0.47 µF
SLUUBS3C – October 2017 – Revised November 2019
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UCC28056BEVM-296 Evaluation Module
Copyright © 2017–2019, Texas Instruments Incorporated
21
Revision History
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Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from B Revision (April 2018) to C Revision .................................................................................................... Page
•
•
•
•
•
•
•
•
•
•
•
Changed Figure 22 to reflect new boost inductance ................................................................................. 1
Added how to use UCC28056A in the Section 2.3 section .......................................................................... 4
Added how to use UCC28056B and UCC28056C in the Section 2.4 section .................................................... 5
Changed Table 4 to reflect UCC28056B ............................................................................................. 10
Changed Figure 2 to reflect UCC28056B ............................................................................................ 10
Changed Figure 3 to reflect UCC28056B ............................................................................................ 10
Changed Figure 4 to reflect UCC28056B ............................................................................................ 11
Changed Figure 5 to reflect UCC28056B ............................................................................................ 11
Changed Figure 6 to reflect UCC28056B ............................................................................................ 11
Changed Figure 22 to reflect new boost inductance ................................................................................ 17
Changed boost inductor value in Table 5 ............................................................................................ 20
Changes from A Revision (January 2018) to B Revision ............................................................................................... Page
•
•
Removed the Advanced Information statement ....................................................................................... 2
Corrected part number for L3 in Figure 22 ........................................................................................... 17
Changes from Original (October 2017) to A Revision .................................................................................................... Page
•
•
•
•
•
•
•
22
Updated graphs and waveforms in Section 8. .......................................................................................
Added Standby Power section. ........................................................................................................
Added Startup section. ..................................................................................................................
Added Valley Switching section. .......................................................................................................
Moved C2 in the bill of materials. ......................................................................................................
Changed the Q1 part number in the bill of materials. ...............................................................................
Changed parameters on RT1 in the bill of materials. ...............................................................................
Revision History
10
10
12
14
20
20
20
SLUUBS3C – October 2017 – Revised November 2019
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Copyright © 2017–2019, Texas Instruments Incorporated
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