Upload
others
View
16
Download
0
Embed Size (px)
Citation preview
PMP20708
A
PCB Number:
PCB Rev:
Design Notes
40VAC ~ 270VAC, 50~60Hz
Turns ratio
* Npri : Naux : Nsec1 : Nsec2 = 27: 3: 7: 2
RV1
5V: 1mA to 200mA load
RTN
~3
+1
~4
-2
600V
D2
GND1
GND2
FB3
VDD4
HVIN5
NC6
DRAIN8
U1
UCC28881DR
RTN
GND
RTN RTN
Vaux
TP1
10µF35V
C110µF35V
C2
GND
GND
24V
Npri
Naux
Nsec1
Nsec2
5V
Vrec
TP4
TP3
Vaux
10.0kR11
5V
1
2
4
3
U3
SFH6186-4T
1.54kR10
3.74kR9
8.2µF400V
C38.2µF400V
C4
1µF16V
C15
D1
BAS21HT1G
D3
D4BAS21HT1G
10µF10V
C610µF10V
C7
1.00
R1
20.0kR2
5.1kR5
8
6
9
2
5
3
4
7
1
NC10
450µH
T1
TP6
TP5
TP2
0
R12
D5
CSFMT108-HF
4.7V
D6
200VD8
24V
D9DNP
24V
1
23 Q1
BSS126 H6906
9.09kR7
J1
1µF16V
C8
1.00k
R8DNP
0
R6
1. C100, 101, 102 is an add-on item.
39µF35V
C100
22µFC101
22µFC102SS1150-ltp
10.0kR100
2. R100 is an add-on item.Not In Use
Built on PMP20708B PCB
1TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
Test Report: PMP21455Wide VAC Input Flyback With an Integrated MOSFETReference Design
DescriptionThis reference design uses an off-line switcher with an integrated MOSFET to provide 5 V and 200 mA outputfrom an ultra-wide 40-VAC to 270-VAC input. The board is in a small form factor of 30 mm × 41 mm × 12 mm withminimized populated parts.
An IMPORTANT NOTICE at the end of this TI reference design addresses authorized use, intellectual property matters and otherimportant disclaimers and information.
Load Current (A)
Effi
cien
cy (
%)
Pow
er L
oss
(W)
0 0.05 0.1 0.15 0.2 0.250 04 0.088 0.16
12 0.2416 0.3220 0.424 0.4828 0.5632 0.6436 0.7240 0.844 0.8848 0.9652 1.0456 1.1260 1.2
D001
EfficiencyPower Loss
Test Prerequisites www.ti.com
2 TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
1 Test Prerequisites
1.1 Voltage and Current Requirements
Table 1. Voltage and Current Requirements
PARAMETER SPECIFICATIONSVIN 40 VAC–270 VAC
VOUT 5 VIOUT 200 mA
2 Testing and Results
2.1 Efficiency GraphsFigure 1, Figure 2, and Figure 3 show the converter efficiency for a 40-, 120-, and 270-VAC input with a 5-V output
Figure 1. Converter Efficiency, 40 VAC, 5-V Output
Load Current (A)
Effi
cien
cy (
%)
Pow
er L
oss
(W)
0 0.05 0.1 0.15 0.2 0.250 04 0.088 0.16
12 0.2416 0.3220 0.424 0.4828 0.5632 0.6436 0.7240 0.844 0.8848 0.9652 1.0456 1.1260 1.2
D003
EfficiencyPower Loss
Load Current (A)
Effi
cien
cy (
%)
Pow
er L
oss
(W)
0 0.05 0.1 0.15 0.2 0.250 04 0.088 0.16
12 0.2416 0.3220 0.424 0.4828 0.5632 0.6436 0.7240 0.844 0.8848 0.9652 1.0456 1.1260 1.2
D002
EfficiencyPower Loss
www.ti.com Testing and Results
3TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
Figure 2. Converter Efficiency, 120 VAC, 5-V Output
Figure 3. Converter Efficiency, 270 VAC, 5-V Output
Testing and Results www.ti.com
4 TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
2.2 Efficiency DataTable 2, Table 3, and Table 4 show the efficiency data for a 40-, 120-, and 270--V input with a 1-V output.
Table 2. Efficiency Data 40-VAC Input With 1-V Output
IOUT VOUT VIN AC IIN Arms (mA) PIN POUT LOSSES EFFICIENCY0.000 5.250 40.0 5.90000 0.0860 0.00 0.09 0.0%0.020 4.660 40.0 13.6400 0.2240 0.09 0.13 41.6%0.040 4.640 40.0 21.630 0.3870 0.19 0.20 48.0%0.060 4.630 40.0 30.000 0.5800 0.28 0.30 47.9%0.076 4.630 40.0 35.000 0.7050 0.35 0.35 49.9%0.100 4.620 40.0 43.000 0.9040 0.46 0.44 51.1%0.123 4.610 40.0 52.000 1.1220 0.57 0.55 50.5%0.134 4.610 40.0 55.000 1.2060 0.62 0.59 51.2%0.160 4.610 40.0 64.000 1.4400 0.74 0.70 51.2%0.180 4.610 40.0 70.000 1.5900 0.83 0.76 52.2%0.200 5.000 40.0 78.000 1.8150 1.00 0.82 55.1%
Table 3. Efficiency Data 120-VAC Input With 1-V Output
IOUT VOUT VIN AC IIN Arms (mA) PIN POUT LOSSES EFFICIENCY0.000 5.330 120.0 4.16000 0.1230 0.00 0.12 0.0%0.020 4.657 120.0 7.5000 0.2520 0.09 0.16 37.0%0.040 4.644 120.0 11.000 0.4070 0.19 0.22 45.6%0.060 4.630 120.0 15.000 0.5520 0.28 0.27 50.3%0.076 4.620 120.0 18.000 0.7220 0.35 0.37 48.6%0.100 4.620 120.0 22.000 0.8740 0.46 0.41 52.9%0.123 4.610 120.0 26.000 1.0580 0.57 0.49 53.6%0.134 4.610 120.0 28.000 1.1740 0.62 0.56 52.6%0.160 4.600 120.0 31.000 1.3670 0.74 0.63 53.8%0.180 4.600 120.0 34.000 1.4970 0.83 0.67 55.3%0.200 4.600 120.0 36.000 1.6180 0.92 0.70 56.9%
Table 4. Efficiency Data 270-VAC Input With 1-V Output
IOUT VOUT VIN AC IIN Arms (mA) PIN POUT LOSSES EFFICIENCY0.000 5.420 270.0 3.73000 0.2420 0.00 0.24 0.0%0.022 4.673 270.0 6.0000 0.3750 0.10 0.27 27.4%0.040 4.660 270.0 8.000 0.5150 0.19 0.33 36.2%0.060 4.650 270.0 10.000 0.6870 0.28 0.41 40.6%0.081 4.640 270.0 12.000 0.8470 0.38 0.47 44.4%0.100 4.630 270.0 14.000 0.9930 0.46 0.53 46.6%0.120 4.620 270.0 16.000 1.1600 0.55 0.61 47.8%0.140 4.622 270.0 18.000 1.3210 0.65 0.67 49.0%0.160 4.617 270.0 20.000 1.4800 0.74 0.74 49.9%0.180 4.614 270.0 22.000 1.6350 0.83 0.80 50.8%0.200 4.610 270.0 24.000 1.8090 0.92 0.89 51.0%
www.ti.com Testing and Results
5TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
2.3 Thermal ImagesFigure 4 shows the thermal image operation at 120-VAC input and 5 V at 0.2-A output, with no airflow. Theboard ran for 20 minutes under these conditions before the thermal image was taken.
Figure 4. Top Thermal
2.4 DimensionsFigure 5 and Figure 5 present the top and bottom PMP21455 photos (and their dimensions) with a 5-Voutput.
Figure 5. PMP21455 Device Dimensions (Top View)
Testing and Results www.ti.com
6 TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
Figure 6. PMP21455 Device Dimensions (Bottom View)
www.ti.com Waveforms
7TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
3 Waveforms
3.1 SwitchingFigure 7 and Figure 8 show the switch node voltage with the input voltage at 40 VAC and the 5-V output isat no load then full load (0.2 A), respectively.
Figure 7. Switch Node Voltage, VIN = 40 V, 5-V VOUT = 0-mA Load
Figure 8. Switch Node Voltage, VIN = 40 V, 5-V VOUT = 200-mA Load
Waveforms www.ti.com
8 TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
Figure 9 and Figure 10 show the switch node voltage with the input voltage at 120 VAC and the 5-V outputis at no load then full load (0.2 A), respectively.
Figure 9. Switch Node Voltage, VIN = 120 V, 5-V VOUT = 0-mA Load
Figure 10. Switch Node Voltage, VIN = 120 V, 5-V VOUT = 200-mA Load
www.ti.com Waveforms
9TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
Figure 11 and Figure 12 show the switch node voltage with the input voltage at 40 VAC and the 5-V outputis at no load then full load (0.2 A), respectively.
Figure 11. Switch Node Voltage, VIN = 270 V, 5-V VOUT = 0-mA Load
Figure 12. Switch Node Voltage, VIN = 270 V, 5-V VOUT = 200-mA Load
Waveforms www.ti.com
10 TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
3.2 Output Voltage RippleFigure 13 shows the output ripple voltage with an input voltage of 40 VAC and the 5-V output loaded to 0mA.
Figure 13. Output Voltage Ripple, VIN = 40 VAC, 5-V VOUT = 0-mA Load
Figure 14 shows the output ripple voltage with an input voltage of 40 VAC and the 5-V output loaded to 200mA.
Figure 14. Output Voltage Ripple, VIN = 40 VAC, 5-V VOUT = 200-mA Load
www.ti.com Waveforms
11TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
Figure 15 shows the output ripple voltage with an input voltage of 120 VAC and the 5-V output loaded to 0mA.
Figure 15. Output Voltage Ripple, VIN = 120 VAC, 5-V VOUT = 0-mA Load
Figure 16 shows the output ripple voltage with an input voltage of 120 VAC and the 5-V output loaded to200 mA.
Figure 16. Output Voltage Ripple, VIN = 120 VAC, 5-V VOUT = 200-mA Load
Waveforms www.ti.com
12 TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
Figure 17 shows the output ripple voltage with an input voltage of 270 VAC and the 5-V output loaded to 0mA.
Figure 17. Output Voltage Ripple, VIN = 270 VAC, 5-V VOUT = 0-mA Load
Figure 18 shows the output ripple voltage with an input voltage of 270 VAC and the 5-V output loaded to200 mA.
Figure 18. Output Voltage Ripple, VIN = 270 VAC, 5-V VOUT = 200-mA Load
www.ti.com Waveforms
13TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
3.3 Start-up SequenceFigure 19 and Figure 20 show the output voltage start-up waveform for 40 -VAC input at no load then fullload (0.2 A), respectively.
Figure 19. Output Voltage Start-up Waveform, 40 VAC, 5-V VOUT = 0-mA Load
Figure 20. Output Voltage Start-up Waveform, 40 VAC, 5-V VOUT = 200-mA Load
Waveforms www.ti.com
14 TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
Figure 21 and Figure 22 show the output voltage start-up waveform for 120-VAC input at no load then fullload (0.2 A), respectively.
Figure 21. Output Voltage Start-up Waveform, 120 VAC, 5-V VOUT = 0-mA Load
Figure 22. Output Voltage Start-up Waveform, 120 VAC, 5-V VOUT = 200-mA Load
www.ti.com Waveforms
15TIDT016–August 2018Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Wide VAC Input Flyback With an Integrated MOSFET Reference Design
Figure 23 and Figure 24 show the output voltage start-up waveform for 120-VAC input at no load then fullload (0.2 A), respectively.
Figure 23. Output Voltage Start-up Waveform, 270 VAC, 5-V VOUT = 0-mA Load
Figure 24. Output Voltage Start-up Waveform, 270 VAC, 5-V VOUT = 200-mA Load
IMPORTANT NOTICE AND DISCLAIMERTI PROVIDES TECHNICAL AND RELIABILITY DATA (INCLUDING DATASHEETS), DESIGN RESOURCES (INCLUDING REFERENCEDESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS”AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS AND IMPLIED, INCLUDING WITHOUT LIMITATION ANYIMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRDPARTY INTELLECTUAL PROPERTY RIGHTS.These resources are intended for skilled developers designing with TI products. You are solely responsible for (1) selecting the appropriateTI products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicablestandards, and any other safety, security, or other requirements. These resources are subject to change without notice. TI grants youpermission to use these resources only for development of an application that uses the TI products described in the resource. Otherreproduction and display of these resources is prohibited. No license is granted to any other TI intellectual property right or to any third partyintellectual property right. TI disclaims responsibility for, and you will fully indemnify TI and its representatives against, any claims, damages,costs, losses, and liabilities arising out of your use of these resources.TI’s products are provided subject to TI’s Terms of Sale (https:www.ti.com/legal/termsofsale.html) or other applicable terms available eitheron ti.com or provided in conjunction with such TI products. TI’s provision of these resources does not expand or otherwise alter TI’sapplicable warranties or warranty disclaimers for TI products.IMPORTANT NOTICE
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265Copyright © 2021, Texas Instruments Incorporated