Demo Board Test Report for Tenpao --- 24W (12V, 2A) Adapter...2015/12/04 · Title Microsoft Word -...

2010.8 Ver01 Copyright © Grenergy OPTO Inc. www.grenergy.com.tw 1

Demo Board Test Report for Tenpao --- 24W (12V, 2A) Adapter

Tested by Reviewed by Approved by

Winton Jason Henry

Total pages Revision Date

37 2014/06/11


24W Adapter Demo Board Base on PWM Controller GR1230R

GR1230R --- 12V/2A


Contents

1 Test Equipments............................................................................................................. 4

2 Demo Board Specification ............................................................................................. 4

3 Demo Board Test Item List ........................................................................................... 5

4 Electronic Characteristics Test Items List ................................................................... 6

4.1 Standby Power.................................................................................................... 6

4.2 Efficiency............................................................................................................. 6

4.3 Ripple & Noise..................................................................................................... 7

4.4 Line & Load Regulation ..................................................................................... 9

4.5 Dynamic Response Test .................................................................................... 10

4.6 Over Shoot ..........................................................................................................11

4.7 Time Sequence Characteristic ......................................................................... 14

4.8 Voltage stress on MOSFET .............................................................................. 15

4.9 Over Current Protection .................................................................................. 18

4.10 Over Voltage Protection ................................................................................... 18

5 Schematic ...................................................................................................................... 26

6 BOM .............................................................................................................................. 27

7 Transformer.................................................................................................................. 29

7.1 Bobbin & Core.................................................................................................... 29

7.2 Winding Table .................................................................................................... 29

7.3 Electrical Characteristic .................................................................................... 29

8 EMI................................................................................................................................ 30

8.1 110V Conduction .............................................................................................. 30

8.2 230V Conduction .............................................................................................. 32

8.3 110V Radiation ................................................................................................. 34

8.4 230V Radiation ................................................................................................. 36


1 Test Equipments

Name Mark AC Source Chroma 61604 Oscilloscope LeCroy WaveJet 314 Power Meter Chroma 66201 Electronic Load Chroma 63010 True RMS Multimeter Fluke 45

2 Demo Board Specification

Parameter Specification

Input Voltage 90Vac~264Vac

Input Frequency 47Hz~63Hz

Output Voltage and Current 12V/2A

Output Power 24W

Efficiency > 86.2%


3 Demo Board Test Item List All test conditions is base on ambient temperature 25℃

Test item Specification Result

Input current (90V/60Hz~130V / 60Hz) --- N/A

Input current (180V/50Hz~264V / 50Hz) --- N/A

Standby power (90V/60Hz, 115V/60Hz, 230V/50Hz, 264V/50Hz)

86.2% PASS

Ripple & Noise


4 Electronic Characteristics Test Items List All test conditions is base on ambient temperature 25℃

4.1 Standby Power

Test condition:

Test input power with no load

l AC to startup resistance test data and results are as follows:

AC IN P_out (W)

V_out (V)

I_in (mA)

P_in (mW)

Spec Result

90VAC/60Hz 0 12.209 7.89 44

115VAC/60Hz 0 12.209 9.78 47

230VAC/50Hz 0 12.209 15.99 62

264VAC/50Hz 0 12.209 18.35 73

< 100mW PASS

4.2 Efficiency Energy star Test condition: According to Energy Star, We chose input voltage value, including 90V, 115V, 230V, 264V and 25%,

50%, 75%, Full Load Current, Then Calculate the efficiency and Average efficiency

Test data and results are as follows:

l 20AWG wire (150 cm) output voltage test data and results are as follows:

I_LoadAC IN

25% 50% 75% 100% AVG (%) Spec Result

90VAC/60Hz 89.75 88.16 87.41 86.09 87.85 - -

115VAC/60Hz 89.33 89.8 88.33 87.61 88.76 > 86.2% PASS

230VAC/50Hz 88.74 89.67 89.54 88.32 89.06 > 86.2% PASS

264VAC/50Hz 88.4 89.41 89.28 88.48 88.89 - -


4.3 Ripple & Noise

Test Condition:

The ripple & noise are measured by using 20MHz bandwidth Limited oscilloscope with a 10uF low

impedance electronic capacitor and a 0.1uF Ceramic capacitor.


AC IN Load V(p-p) Spec Note Result

No Load 35.9 Figure 1 PASS 90VAC/60Hz

Full Load 95.3 Figure 2 PASS

No Load 50 Figure 3 PASS 264VAC/50Hz

Full Load 87.5


Figure 2 The waveform of Ripple & Noise at Vin = 90Vac/60Hz & full-load

Figure 3 The waveform of Ripple & Noise at Vin=264Vac/50Hz & No-load


Figure 4 The waveform of Ripple & Noise at Vin = 264Vac/50Hz & full-load

4.4 Line & Load Regulation Test Condition: Test Point is at PCB end


AC IN Vo (V) NO Load

Vo (V) 25% Load

Vo (V) 50% Load

Vo (V) 100%Load

Spec Result

90VAC/60Hz 12.209 12.13 12.05 11.91

115VAC/60Hz 12.209 12.13 12.05 11.91

230VAC/50Hz 12.209 12.13 12.05 11.91

264VAC/50Hz 12.209 12.13 12.05 11.91

-

Line Regulation 0.16% 0.16% PASS

Load Regulation 1.66% 1.66% PASS


4.5 Dynamic Response Test Test Condition: Vo(p-p) Means output voltage peak to peak value, Load Current From 10% to 100%, rising slew

Rate=0.8A/Us, Pluse Width Time equal 1ms


AC IN Vo(max) Vo(min) Spec Note Result

90VAC/60Hz 12.3 11.7 Figure 5 PASS

264VAC/50Hz 12.3 11.7


Figure 6 The waveform of Dynamic Response at Vin = 264Vac/50Hz & full-load

4.6 Over Shoot Test Condition:


AC IN Load Test Data (%) Spec Note Result No Load 1.28 Figure 7 PASS

90VAC/60Hz Full Load 1.31 Figure 8 PASS

No Load 0 Figure 9 PASS 264VAC/50Hz

Full Load 1.31


Figure 7 The waveform of Over shoot at Vin = 90Vac/60Hz & No-load

Figure 8 The waveform of Over shoot at Vin = 90Vac/60Hz & Full-load


Figure 9 The waveform of Over Shoot at Vin = 264Vac/50Hz & No-load

Figure 10 The waveform of Over Shoot at Vin = 264Vac/50Hz & Full-load


4.7 Time Sequence Characteristic Test Condition: Turn on delay time; Hold up time is all base on full load. l AC to startup resistance test data and results are as follows:

Item AC IN Time Spec Note Result

Turn on delay time 90VAC/47Hz 1.31 S 10 mS Figure 12 PASS

Figure 11 The waveform of Turn on Time at Vin=90Vac/47Hz & full-load


Figure 12 The waveform of Hold up Time at Vin = 100Vac/60Hz & full-load

4.8 Voltage stress on MOSFET Test Condition:

l Measure the voltage on MOSFET full load

AC IN State Stress on MOSFET

Spec Note Result

264VAC/50Hz Normal 568V Figure 13 PASS

264VAC/50Hz Start Up 575V


Figure 13 The waveform of Drain at Vin = 264Vac/50Hz & full-load

Figure 14 The waveform of Drain at Vin = 264Vac/50Hz & full-load Startup


Figure 15 The waveform of rectifier at Vin = 264Vac/50Hz & full-load

Figure 16 The waveform of rectifier at Vin = 264Vac/50Hz & full-load Startup


4.9 Over Current Protection

AC IN Current Limit Value Spec Result 90VAC/60Hz 2.57A

115VAC/60Hz 255A 132VAC/60Hz 2.55A

180VAC/50Hz 2.51A 230VAC/50Hz 2.5A 264VAC/50Hz 2.49A

120%~130% (2.4A~2.6A) PASS

4.10 Over Voltage Protection

Note AC IN No load Full load Spec No load Full load

Result

90VAC/47Hz 13.6V 14.2V Figure 17 Figure 18 PASS





264VAC/50Hz 13.7V 14.3V

110~125% (13.2V~15V)

Figure 27 Figure 28 PASS


Figure 17 The waveform of OVP at Vin = 90Vac/47Hz & no-load

Figure 18 The waveform of OVP at Vin = 90Vac/47Hz & Full-load


5 Schematic


8 EMI

8.1 110V Conduction (Line)


110V Conduction (Neutral)


8.2 230V Conduction (Line)


230V Conduction (Neutral)


8.3 110V Radiation (Vertical)


110V Radiation (Horizontal)


8.4 230V Radiation (Vertical)


230V Radiation (Horizontal)

Demo Board Test Report for Tenpao --- 24W (12V, 2A) Adapter...2015/12/04 · Title Microsoft Word -...

Documents

Transcript of Demo Board Test Report for Tenpao --- 24W (12V, 2A) Adapter...2015/12/04 · Title Microsoft Word -...