MP020 Customer Support Report FAE Alan Zhu AE Siran Wang Manager En Li MPS Confidential - TENDA Use Only The Future of Analog IC Technology® Contents 1. Specification 6.4 Protection 2. Schematic 6.4.1 Short Circuit Protection 3. Circuit Board 6.4.3 Over Load Protection 3.1 PCB Layout 6.5 EMC and Safety 3.2 Board Photograph 6.5.1 Conducted Emission 4. Bill of Materials 6.6 Stress and Steady Status 5. Transformer Information 6.6.1 Steady Status 5.1 Winding Spec 6.6.2 Mosfet VDS 6. Performance Data 6.6.3 Output Diode VRRM 6.1 Test Setup 6.7 Thermal 6.1.1 Test Equipment 6.7.1 Parts Thermal 6.2 Efficiency 6.2.1 Efficiency 6.2.1 No Load Power Consumption 6.3 Output and Timing 6.3.1 Load Regulation 6.3.2 Output Voltage Ripple 6.3.3 Startup Time MPS Confidential - TENDA Use Only 2 The Future of Analog IC Technology® 1. Specification Parameter Symbol Condition Typ Max Units 85 220 265 VAC Input Supply Voltage VIN Output Voltage VO 9 V LED Current ILED 600 mA MPS Confidential - TENDA Use Only 2 Wire Min 3 The Future of Analog IC Technology® 2. Schematic L1 1mH/DIP D7 WS364/DIP 1 FR1 10/1W D1 1N4007 D3 1N4007 1000V/1A/DO-41 85~265VacL R3 200k/1206 R1 10k/0805 C1 4.7uF/400V N D2 1N4007 C4 470pF/1kV/DIP C2 2.2uF/400V Np Ns 2 6 R4 R2 R7 6.2k/0805 9V/600mA V-1 T1 EE16 Lp=1.59mH Np:Naux:Ns=132:17:14 Naux 5 200/1206 0/0805 C5 470uF/16V 4 D5 1N4007 1000V/1A/DO-41 D4 1N4007 V+1 10 R6 5 6 4 GND CP GND FB 3 GND 2 D6 1N4007 1000V/1A/DO-41 26.7k/1% CY1 1nF R5 14.7k/1% 8 Drain VCC 1 C3 U1 MP020 MPS Confidential - TENDA Use Only 4.7uF/50V/DIP 4 The Future of Analog IC Technology® 3. Circuit Board 3.1 PCB Layout TOP & TSK MPS Confidential - TENDA Use Only BOT & BSK 5 The Future of Analog IC Technology® 3. Circuit Board 3.2 Board Photograph L*W*H=49mm*32mm*15mm Note: Dimension is strongly needed. MPS Confidential - TENDA Use Only 6 The Future of Analog IC Technology® 4. Bill of Materials Item Qty RefDes Value Description Package Manufactur er Manufactuer_P/N 1 1 C1 4.7uF Electrolytic Capacitor;400V DIP * * 2 1 C2 2.2uF Electrolytic Capacitor;400V DIP * * 3 1 C3 4.7uF Electrolytic Capacitor;50V DIP Jianghai CD287-50V4.7 4 1 C4 470pF Ceramic Capacitor;1000V DUP 5 1 C5 470uF Electrolytic Capacitor;16V DUP * * 6 1 CY1 1nF Y1 Capacitor;4000V DIP Hongke JN09E102MY02N 7 4 D2,3,5,6 1N4007 Diode;1000V;1A; DO-41 Diodes 1N4007 8 1 D7 WS364 * * * * 9 1 FR1 10 Fuse Resistor;5%;1W DIP Yageo FKN1WSJT-52-10R 10 1 L1 1mH Inductor;1mH;8;100mA DIP 11 1 R1 10K Film Resistor;5%; 0805 Yageo RC0805JR-0710KL 12 1 R2 0 Film Resistor;5%; 0805 Yageo RC0805JR-070L 13 1 R3 200K Film Resistor;5%; 1206 Yageo RC1206JR-07200KL 14 1 R4 200 Film Resistor;5%; 1206 Yageo RC1206JR-07200L 15 1 R5 14.7K Film Resistor;1%; 0603 Yageo RC0603FR-0714K7L 16 1 R6 26.7K Film Resistor;1%; 0603 Yageo RC0603FR-0726K7L 17 1 R7 6.2K Film Resistor;5%; 0805 Yageo RC0805JR-076K2L 18 1 T1 EE16,N1 inductance=1.59mH, N0:N1:N2:N3=44:132:17:14 DIP 19 1 U1 MP020, primary side regulator SOIC8-7A MPS MP020 MP020 CKL0510-102 * Derived from the customer’s board. MPS Confidential - TENDA Use Only 7 The Future of Analog IC Technology® 5. Transformer Information 5.1 Winding Spec Electrical Diagram Electric Characteristic Parameter Condition LP (1-4) Primary Inductance Primary Test Value NC 1.589mH±5% Leakage Inductance Ncomp 50µH (Max) Core/Bobbin EE16 Core material Np PC40 Turn Ratio Secondary Ncomp:Np:Naux:Ns 44:132:17:14 Naux 1 10 2 6 Ns 4 5 Winding Order Winding Diagram Tape Layer Number Winding No. Margin Tape (Pri. Side) Start & End Margin Tape (Sec. Side) 1 Ncomp \ 1 to NC \ 44 0.15*1 1 Np \ 2 to 1 \ 132 0.2*1 Turns Magnet Wire (Φ) Tape Pri. Side Sec. Side 3Ts 3Ts Ns Naux 1 Naux \ 5 to 4 \ 17 0.15*1 3 Ns \ 10 to 6 \ 14 T.I.W0.6*1 1T Np 1T Ncomp 1T MPS Confidential - TENDA Use Only 8 The Future of Analog IC Technology® 6. Performance Data 6.1 Test Setup 6.1.1 Test Equipment AC Source: Chroma, Model 61601 Power Meter: Yokogawa, Model WT210 Oscilloscope: Tektronix, Model TDS3014C Current Probe/Amplifier: Tektronix, Model TCP305/TCPA300 EMC Receiver: Rohde & Schwarz, Model ESPI3+ESPI-B2 MPS Confidential - TENDA Use Only 9 The Future of Analog IC Technology® 6. Performance Data 6.2 Efficiency 6.2.1 Efficiency Test Conditions: The unit was set to maximum load and well pre-heated until temperature stabilization was achieved. Criteria To Pass: The average efficiency must be > 75% 220Vac Pin(W) Vo(V) Io(mA) Po(W) Efficiency(%) 1.81 9.04 150 1.36 74.9 3.54 9.05 300 2.72 76.7 5.25 9.05 450 4.07 77.6 6.95 9.05 600 5.43 78.1 Comment: Pass MPS Confidential - TENDA Use Only 10 The Future of Analog IC Technology® 6. Performance Data 6.2.2 No-load Power Consumption Test Conditions: The unit was set to maximum load and well pre-heated. The no-load input power measurements were recorded after stabilization of the input power reading. Criteria To Pass: The power consumption must be < 100mW at the maximum input voltage. VAC 220V 265V PIN(mW) 24.5mW 29.2mW Comment: Pass MPS Confidential - TENDA Use Only 11 The Future of Analog IC Technology® 6. Performance Data 6.3 Output and Timing 6.3.1 Load Regulation Test Conditions: The output voltage deviation was measured while the load current was increased from 0 to 600mA Criteria To Pass: The output voltage must remain within ±2%. 1.20% 1.00% 0.80% 0.60% 0.40% 0.20% 0.00% -0.20% 0 -0.40% -0.60% 220Vac 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Io Comment: Pass MPS Confidential - TENDA Use Only 12 The Future of Analog IC Technology® 6. Performance Data 6.3.2 Output Voltage Ripple Test Conditions: The output voltage ripple and noise are measured at output terminal with full load. Criteria To Pass: The ripple of the output current must remain within the specified limits VP-P: 500mV at a maximum load current. 220VAC Input CH1: VOUT VP-P: 270mV MPS Confidential - TENDA Use Only 13 Comment: Pass The Future of Analog IC Technology® 6. Performance Data 6.3.3 Startup Time Test Conditions: The Unit start with full load The startup time is measured from the time when Vcc voltage starts ramping up to the time when the output voltage ramps to 90% of the rated value. Criteria To Pass: The startup time must remain in 1 second. 220VAC Input / 600mA Output CH1: VDS CH2: VCC CH3: VOUT Startup Time: 190ms MPS Confidential - TENDA Use Only 14 Comment: Pass The Future of Analog IC Technology® 6. Performance Data 6.4 Protection 6.4.1 Short Circuit Protection (SCP) Test Conditions: The unit was switched on with normal load on the output. A short circuit was applied manually to the output at the end of the cable. The mains voltage was adopted to obtain the worst-case condition. A short circuit was applied to the output at the end of the cable before startup of the unit. The unit was switched on with a short circuit at the output. The mains voltage was adopted to obtain the worse-case condition. Criteria To Pass: The unit shall be capable of withstanding a continuous short-circuit at the output without damage or overstress of the unit under any input conditions. After removal of the short circuit, the unit shall recover automatically. MPS Confidential - TENDA Use Only VAC 220 SCP ok 15 The Future of Analog IC Technology® 6. Performance Data SCP at 220VAC SCP Entry SCP Recovery CH1: VDS CH1: VDS CH2: VCC CH3: VOUT CH2: VCC CH3: VOUT Comment: Pass MPS Confidential - TENDA Use Only 16 The Future of Analog IC Technology® 6. Performance Data 6.4.2 Over Load Protection (OLP) Test Conditions: An overload condition was applied to the unit; An AC input voltage was selected so that the worst-case condition occurred. Criteria To Pass: The unit should be operating in the constant current mode, in order to prevent the overload operation. MPS Confidential - TENDA Use Only Input 220 OCP ok 17 The Future of Analog IC Technology® 6. Performance Data V-I Characteristics at 220VAC 10 Vo (V) 9 8 7 6 5 4 3 2 220Vac 1 0 0 0.1 0.2 0.3 0.4 Io (A) 0.5 0.6 0.7 0.8 Comment: Pass MPS Confidential - TENDA Use Only 18 The Future of Analog IC Technology® 6. Performance Data 6.5 EMC and Safety 6.5.1 Conducted Emission Test Conditions: The unit was subjected to 220VAC line and with maximum load. The ground connection of the output cable was connected to EMC ground. Criteria To Pass: EN55022 with -8dB margin. L line N line Comment: Pass MPS Confidential - TENDA Use Only 19 The Future of Analog IC Technology® 6. Performance Data 6.6 Stress and Steady Status 6.6.1 Steady Status Test Conditions: The main input voltage was set to220VAC. The unit is loaded at maximum output current. Criteria To Pass: The VDS, VCC, VOUT should be at steady status. CH1: VDS CH2: VCC CH3: VOUT Comment: Pass MPS Confidential - TENDA Use Only 20 The Future of Analog IC Technology® 6. Performance Data 6.6.2 Mosfet VDS Test Conditions: The main input voltage was set to265VAC. The unit is loaded at maximum output current. Criteria To Pass: The mosfet VDS must be < 700V at both startup and steady status. Steady Startup CH1: VDS CH1: VDS VMAX: 576V VMAX: 576V Comment: Pass MPS Confidential - TENDA Use Only 21 The Future of Analog IC Technology® 6. Performance Data 6.6.3 Output Diode VRRM Test Conditions: The main input voltage was set to 265VAC. The unit is loaded at maximum output current. Criteria To Pass: The diode VRRM must be < 80V at both startup and steady status. Steady Startup CH1: VRRM CH1: VRRM VMAX: 54V VMAX: 54.2V Comment: Pass MPS Confidential - TENDA Use Only 22 The Future of Analog IC Technology® 6. Performance Data 6.7 Thermal 6.7.1 Parts Thermal Test Conditions: The input voltage was set to 220Vac. The electronic load was set to the maximum output current. The unit was covered, and the data was recorded until temperature stabilization was achieved. Ta=25℃ Criteria To Pass: The △ temperature must be < 50℃. MPS Confidential - TENDA Use Only 23 The Future of Analog IC Technology® 6. Performance Data …Continued MPS Confidential - TENDA Use Only 24 The Future of Analog IC Technology®