EV157-J-00A Smallest Energy Off-line Regulator EV Board MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY Evaluation Board Report 12V 4.2W ACDC power supply Design Specs Input Voltage Output Voltage Output Current Isolation MPS IC Application Value 85-265 12 0.35 Unit VAC VDC A No MP157GJ Home Appliance, white goods, consumer electronics Industrial Controls Standby Power Document Number EBXXX Author Application Engineering Department Date Nov, 2014 Revision 1.0 Design Summary EV157-J-00A evaluation board provides a reference design for a universal offline power supply with 12V, 0.35A output. It contains the complete specification of the power supply, a detailed circuit diagram, the entire bill of materials required to build the power supply, drawing of the power inductors and transformers, and test data of the most important performance. EV157-J-00A Rev.1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 1 EV157-J-00A Smallest Energy Off-line Regulator EV Board MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY DESCRIPTION FEATURES The EV157-J-00A Evaluation Board is designed to demonstrate the capabilities of MP157GJ. MP157 is a primary side regulator providing accurate constant voltage (CV) regulation without the Opto-coupler. It supports Buck, Buck-Boost, Boost and Flyback topologies. • • • • • The EV157-J-00A Evaluation Board is designed as Buck application. The EV157-J-00A typically drives a 4.2W with a 12VTYP , 350mA load from 85VAC to 265VAC, at 50Hz. The EV157-J-00A has excellent efficiency and meets EN55022conducted EMI requirements. It has multiple protections, including open-circuit protection, short-circuit protection, over load protection and over-temperature protection, etc. MP157GJ is packages. available in the TSOT23-5 • • • ELECTRICAL SPECIFICATION Parameter Input Voltage Output Voltage Output Current Output Power Average Efficiency • • • • • • • • Symbol Value Units V IN 85 to 265 VAC V OUT I OUT P OUT 12 350 4.2 V mA W η >75.00 % Primary side constant voltage (CV) control Integrated 500V/10Ω MOSFET < 100mW No-load power consumption Up to 6W output power Maximum discontinuous conduction mode (DCM) output current less than 225mA, maximum continuous conduction mode (CCM) output current less than 360mA Low Vcc Operating Current Frequency Foldback Limited maximum frequency Peak Current Compression Internal High Voltage Current Source Internal 400ns Leading Edge Blanking Thermal Shutdown (auto restart) VCC Under Voltage Lockout with Hysteresis (UVLO) Timer based Over Load Protection Short Circuit Protection Open Loop Protection All MPS parts are lead-free and adhere to the RoHS directive. For MPS green status, please visit MPS website under Products, Quality Assurance page. “MPS” and “The Future of Analog IC Technology” are registered trademarks of Monolithic Power Systems, Inc. EV157-J-00A Rev.1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 2 EV157-J -00A –S MALLES T ENERGY EFFICIENT OFF-LINE REGULATOR MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY EV157-J-00A EVALUATION BOARD ( L x W x H ) 4.5cm x 2.5cm x 1.7cm Board Number MPS IC Number EV157-J-00A MP157GJ EV157-J-00A Rev.1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 3 EV157-J -00A –S MALLES T ENERGY EFFICIENT OFF-LINE REGULATOR MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY EVALUATION BOARD SCHEMATIC D1 D2 1N4007 1N4148WS R2 R1 19.6K 24K L1 F1 10/1W 1mH 5 D3 D4 1N4007 1N4007 4 CX1 85~265VAC Drain Vcc 1 220nF R5 NC L C4 10uF/400V 33nF C5 10uF/400V C1 U1 Source FB 2 Source 3 C3 470pF C2 R3 R4 2.2uF NC 4.99K VOUT MP157 D5 D6 D7 1N4007 1N4007 12V/350mA L2 1.2mH STTH1R06 C6 100uF/35V C7 R7 1uF 3K GND N GND EV157-J-00A Rev.1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 4 EV157-J -00A –S MALLES T ENERGY EFFICIENT OFF-LINE REGULATOR MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY EV157-J-00A BILL OF MATERIALS Qty Ref Value 1 C1 220nF 1 C2 2.2μF 1 C3 470pF 2 C4, C5 10μF/400V 1 C6 100μF/35V 1 C7 1μF 1 1 33nF 1N4148WS 1 1 CX1 D1 D2, D3, D4, D6, D7 D5 F1 1 L1 1mH 1 L2 1.2mH 1 1 1 1 1 R1 R2 R4 R7 U1 19.6k 24k 4.99k 3k MP157GJ 5 1N4007 STTH1R06 10/1W Description Ceramic Capacitor;16V;X7R;0603; Ceramic Capacitor;10V;X7R;0603; Ceramic Capacitor;50V;X7R;0603; Electrolytic Capacitor;400V;20% Electrolytic Capacitor;35V;Electrolytic Ceramic Capacitor;16V;X7R;0603; Capacitor;275V;10% Diode;75V;0.15A; Package Manufacture Manufacture_PN 0603 muRata GRM188R71C224KA01D 0603 muRata GRM188R71A225KE15D 0603 muRata GRM188R71H471KA01D DIP Any DIP Jianghai CD287-35V100 0603 muRata GRM188R71C105KA12D DIP SOD-323 Carli Diodes PX333K3IB29L270D9R 1N4148WS-7-F Diode;1000V;1A DO-41 Diodes 1N4007 Diode;600V;1A Resistor;5%;1W Inductor;1000uH;8 Ohm;0.1A Inductor;1.2mH;1.8Ω;400 mA Film Resistor;1%; Film Resistor;1%; Film Resistor;1%; Film Resistor;1% Primary side regulator DO-41 DIP ST Yageo STTH1R06 FKN1WSJT-52-10R DIP Any DIP Yimei DR9X12P2M1.2-00 0603 0603 0603 1206 TSOT23-5 Yageo Yageo Yageo Yageo MPS RC0603FR-0719K6L RC0603FR-0724KL RC0603FR-074K99L RC1206FR-073KL MP157GJ Any Any EV157-J-00A Rev.1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 5 EV157-J -00A –S MALLES T ENERGY EFFICIENT OFF-LINE REGULATOR MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY EVB TEST RESULTS Performance waveforms are tested on the evaluation board. V IN = 85~265VAC, V OUT = 12V, IOUT = 350mA, T A = 25ºC, unless otherwise noted. EV157-J-00A Rev.1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 6 EV157-J -00A –S MALLES T ENERGY EFFICIENT OFF-LINE REGULATOR MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY EVB TEST RESULTS (c o n tin u e d ) Performance waveforms are tested on the evaluation board. V IN = 85~265VAC, V OUT = 12V, IOUT = 350mA, T A = 25ºC, unless otherwise noted. EV157-J-00A Rev.1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 7 EV157-J -00A –S MALLES T ENERGY EFFICIENT OFF-LINE REGULATOR MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY EVB TEST RESULTS (c o n tin u e d ) Performance waveforms are tested on the evaluation board. V IN = 85~265VAC, V OUT = 12V, IOUT = 350mA, T A = 25ºC, unless otherwise noted. EV157-J-00A Rev.1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 8 EV157-J -00A –S MALLES T ENERGY EFFICIENT OFF-LINE REGULATOR MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY SURGE PERFORMANCE The circuit pass the 1000V surge. Surge Level (V) 1000 1000 1000 1000 -1000 -1000 -1000 -1000 Input Voltage (VAC) 220 220 220 220 220 220 220 220 Injection Location L-N L-N L-N L-N L-N L-N L-N L-N Injection Phase(o) 0 90 180 270 0 90 180 270 Number of Surges 5 5 5 5 5 5 5 5 Test Result PASS PASS PASS PASS PASS PASS PASS PASS With the input capacitors C4 (10μF) and C5 (10μF), the board can pass 1000V surge test. Table 1 shows the capacitance required under normal condition for different surge voltage. Table 1: Recommended Capacitor Values Surge Voltage C1 C2 500V 3.3μF 3.3μF 1000V 10μF 10μF 2000V Shown in Fig The board can pass 2kV surge test by using the circuit below. 1) Change the fuse resistor F1 (10ohm/1W) to SS-5-2A 2) Add a MOV RV1 (TVR14431) 3) Add a resistor R8 (39ohm) D1 D2 1N4007 1N4148WS F1 L R8 L1 39 1mH D3 D4 1N4007 4 85~265VAC RV1 CX1 TVR14431 33nF C4 10uF/400V C5 10uF/400V 24K 19.6K Drain Vcc C1 1 220nF R5 NC 1N4007 R1 U1 5 SS-5-2A R2 Source FB 2 Source 3 C3 470pF C2 R3 R4 2.2uF NC 4.99K VOUT MP157 D5 D6 D7 1N4007 1N4007 12V/350mA L2 1.2mH STTH1R06 C6 C7 R7 100uF/35V 1uF 3K GND N GND EV157-J-00A Rev.1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 9 EV157-J -00A –S MALLES T ENERGY EFFICIENT OFF-LINE REGULATOR MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY PRINTED CIRCUIT BOARD LAYOUT Figure 1 — Top Silk Layer Figure 2 — Bottom Layer EV157-J-00A Rev.1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 10 EV157-J -00A –S MALLES T ENERGY EFFICIENT OFF-LINE REGULATOR MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY QUICK START GUIDE 1. Preset Power Supply to 85VAC ≤ V IN ≤ 265VAC. 2. Turn Power Supply off. 3. Connect the Line and Neutral terminals of the power supply output to L and N port. 4. Connect the positive terminal of the load to “+” port, and connect the negative terminal of the load to “-” port. 5. Turn Power Supply on after making connections. Contact Information To request this evaluation board, please refer to your local sales offices which can be found from: http://www.monolithicpower.com/Company/Contact-Us Disclaimer Monolithic Power Systems (MPS) reserves the right to make changes to its products and to discontinue products without notice. The applications information, schematic diagrams, and other reference information included herein is provided as a design aid only and are therefore provided as-is. MPS makes no warranties with respect to this information and disclaims any implied warranties of merchantability or non-infringement of third-party intellectual property rights. MPS cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a MPS product. No circuit patent licenses are implied. Certain applications using semiconductor products may involve potential risks of death, personal injury, or severe property or environmental damage (“Critical Applications”). MPS PRODUCTS ARE NOT DESIGNED, INTENDED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE‑SUPPORT APPLICATIONS, DEVICES OR SYSTEMS, OR OTHER CRITICALAPPLICATIONS. Inclusion of MPS products in critical applications is understood to be fully at the risk of the customer. Questions concerning potential risk applications should be directed to MPS. MPS semiconductors are typically used in power supplies in which high voltages are present during operation. High voltage safety precautions should be observed in design and operation to minimize the chance of injury. NOTICE: The information in this document is subject to change without notice. Please contact MPS for current specifications. Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not assume any legal responsibility for any said applications. EV157-J-00A Rev. 1.0 www.MonolithicPower.com 3/31/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. 11