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EV020-5-S-00B 85vac~265vac/50hz, 12v/0.7a off-line primary-side-regulator home appliances evaluation board EV020-5-S-00B rev.1.02 www.monolithicpower.com 1 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. the future of analog ic technology description the EV020-5-S-00B evaluation board is designed to demonstrate the capabilities of mp020-5. the mp020-5 is a primary-side- control offline regulator which can eliminates secondary feedback components. the EV020-5-S-00B is typically designed for small home appliances which output 12v, 0.7a load from 85vac to 265vac, 50hz/60hz. the EV020-5-S-00B has an excellent efficiency and meets iec61000-4-5 surge immunity and en55022 conducted emi requirements. it has multi-protection function as open circuit protection, short-circuit protection, cycle by cycle current limit and over-temperature protection, etc. electrical specification paramete r symbol v alue units input voltage v in 85 to 265 vac output voltage v out 12 v output current i out 0.7 a output power p out 8.4 w efficiency (full load) >80 % features ? primary-side?control without opto-coupler or secondary feedback circuit ? precise constant current and constant voltage control (cc/cv) ? integrated 700v mosfet with minimal external components ? variable, off-time, peak-current control ? 550a high-voltage current source ? 100mw no-load power consumption ? programmable cable compensation ? multiple protections: ovp, ocp, ockp, otp, and vcc uvlo ? natural spectrum shaping for improved emi signature ? low cost and simple external circuit applications ? small home appliances ? cell phone chargers ? adapters for handheld electronics ? stand-by and auxiliary power supplies ? small appliances a ll mps parts are lead-free and adhere to the rohs directive. for mps green status, please visit mps website under quality assurance. ?mps? and ?the future of analog ic technology?, are registered trademarks o f monolithic power systems, inc. warning: although this board is designed to satisfy safety requirements, the engineering prototype has not been agency approved. therefore, all testing should be performed using an isolation transformer to provide the ac input to the prototype board.
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 2 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. EV020-5-S-00B evaluation board top view bottom view (l x w x h) 50mm x 30mm x 18mm board numbe r mps ic numbe r EV020-5-S-00B mp020-5gs
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 3 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evaluation board schematic figure 1?schematic
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 4 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. pcb layout (single-sided) figure 2?top layer figure 3?bottom layer
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 5 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. circuit description the EV020-5-S-00B is configured in a single- stage flyback topology, it uses primary-side- control which can mostly simplify the schematic and get a cost effective bom. it can also achieve accurate constant voltage and constant current. fr1 and cr1 compose the input stage. fr1 is used to protect for the component failure or some excessive short events, also it can restrain the inrush current. c1, l1 and c2 compose filter to guarantee the conducted emi meet standard en55022. r2, r3, d1 and c3 compose the snubber circuit to reduce drain-source voltage spike. r4, c5, c6 and d2 are used as vcc power supply. r5 and r6 are resistor divider for detecting output voltage by sampling voltage on primary auxiliary winding. cy1 is y capacitor lowering common mode noise to make sure there is enough emi margin. t1 is power transformer, the structure of which is also very important to pass emi test. d3, c8, c9, c10 and r8 compose output circuit. d3 is schottky diode for better efficiency. c10 is ceramic capacitor for lower output voltage ripple and r8 is dummy load, which is used for good regulation. r7 and c7 are used to depress the spike of schottky.
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 6 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. EV020-5-S-00B bill of materials qty ref value description package manufacturer manufacturer_p/n 2 c1,c2 10 f capacitor;400v;20% dip ltec ty 10uf/400v 1 c3 1nf ceramic capacitor;630v;x7r 1206 murata grm31a7u2j102jw31d 1 c4 0 ? film resistor;5% 0603 yageo rc0603jr-070rl 1 c5 100nf ceramic capacitor;50v;x7r; 0603 murata gcj188r71h104ka12d 1 c6 22 f electrolytic capacitor;50v dip jianghai cd281l-50v22 1 c7 1.2nf ceramic capacitor;100v;x7r 0603 murata grm188r72a122ka01d 2 c8,c9 470 f electrolytic capacitor;25v,low esr dip rubycon 25zlf470mefc10x12.5 1 c10 1 f ceramic capacitor;25v;x7r 0603 murata grm188r71e105ka12d 1 c11 nc 1 cy1 2.2nf y capacitor; 250v dip hongke jnk12e222ml02n 1 cr1 mb6f diode;600v;0.5a sop-4 diodes mb6f 1 d1 fr107 diode;1000v;1a do-41 diodes fr107 1 d2 bav21w diode;200v;0.2a; sod-123 diodes bav21w-7-f 1 d3 b560c schottky diode;60v;5a smc diodes b560c 1 fr1 10 ? fusible resistor, 1 w, 5% yageo dip fkn1wsjt-52-10r 1 l1 1000 h inductor;1000uh;6 ohm;0.25a dip wurth 7447462102 1 r1 10k ? film resistor;5% 0805 yageo rc0805jr-0710kl 1 r2 357 ? film resistor;1%;1/4w 1206 yageo rc1206fr-07357rl 1 r3 150k ? film resistor; 1%,1/4w 1206 yageo rc1206fr-07150kl 1 r4 2.2 ? film resistor;5%;1/4w 1206 royalohm 1206f220kt5e 1 r5 27k ? film resistor;1%; 0603 yageo rc0603fr-0727kl 1 r6 14.3k ? film resistor;1% 0603 yageo rc0603fr-0714k3l 1 r7 20 ? film resistor;5%;1/4w 1206 royalohm 1206j0200t5e 1 r8 10k ? film resistor;5%; 0603 yageo rc0603jr-0710k 1 u1 primary side regulator soic8-7a mps mp020-5gs r3 1 t1 transformer;2.48mh; n p :n p_au :n s =184:15:16 ee16 wurth (1) 7508110328 emei (2) fx0303 notes: (1) wurth transformer sample request please login on website: www.we-online.com (2) emei transformer sample request pl ease login on website: www.emeigroup.com
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 7 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. transformer specification electrical diagram teflon tube n p1 n p_au 2 4 5 6 winding start 1 10 n s core is connected to pin 4 by wire n c n p2 3 nc figure 4?transformer electrical diagram notes: 1) core is connected with pin 4 with naked wire. 2) n s is with triple insulation wire. winding diagram figure 5?winding diagram
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 8 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. winding order winding no. tape layer numbe r start & end magnet wire (mm) turns n c 1 1 nc 0.15mm * 2 22 n p1 1 3 2 0.14mm * 1 92 n pau 1 5 4 0.18mm * 1 15 n s 1 10 6 0.55mm * 1 tiw 16 n p2 1 2 1 0.14mm * 1 92 electrical specifications electrical strength 60 second, 60hz, from pri. to sec. 3000vac 60 second, 60hz, from pri. to core. 500vac 60 second, 60hz, from sec. to core. 3000vac primary inductance pins 1 - 3, all other windings open, measured at 50khz, 0.1 vrms 2.48mh10% primary leakage inductance pins 1 - 3 with all other pins shorted, measured at 50khz. 0.1 vrms 60 h10% materials item description 1 core: ee16, ui=230025%, al=73.2.4nh/n 2 3% gapped, or equivalent 2 bobbin: ee16, 5+5pin 1 sect th, ul94v-0 3 wire: 0.14mm,, 2uew, class b 4 wire: 0.15mm,, 2uew, class b 5 wire: 0.18mm,, 2uew, class b 6 triple insulation wire: 0.55mm tiw 7 tape: 8.0mm(w)0.06mm(th) 8 varnish: john c. dolph co, bc-346a or equivalent
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 9 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evb test results performance data t a =25 , unless otherwise noted. 73 75 77 79 81 83 85 87 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 25 26 27 28 29 30 31 32 33 34 35 75 115 155 195 235 275 -1 -0.5 0 0.5 1 75 115 155 195 235 275 load regulation -15 -12 -9 -6 -3 0 3 6 9 12 15 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 10 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. electric strength test primary circuit to secondary circuit electric streng th testing was completed according to iec61000-4-2 input and output was shorted respectively. 3000v ac/50hz sine wave applied between input and output for 1min, and operation was verified. surge test line to line 1kv and line to power earth 1kv surge testing was completed according to iec61000-4-5. input voltage was set at 220vac/50hz. output was loaded at full load and operation was verified following each surge event. surge level (v) input voltage (vac) injection location injection phase () test result (pass/fail) 1000 220 l to n 90 pass -1000 220 l to n 270 pass 1000 220 l to pe 90 pass -1000 220 l to pe 270 pass 1000 220 n to pe 90 pass -1000 220 n to pe 270 pass
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 11 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. conducted emi test test with 230vac input and full load condition sgl 6db tds 1 mhz 10 mhz 0 10 20 30 40 50 60 70 80 90 100 110 120 en55022a en55022q 230vac, 50hz, maximum load, l line, en55022 limits sgl 6db tds 1 mhz 10 mhz 0 10 20 30 40 50 60 70 80 90 100 110 120 en55022a en55022q 230vac, 50hz, maximum load, n line, en55022 limits
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 12 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. conducted emi test (continued) test with 115vac input and full load condition sgl 6db tds 1 mhz 10 mhz 0 10 20 30 40 50 60 70 80 90 100 110 120 en55022a en55022q clrwr 2 av 1 pk clrwr att 10 db rbw 9 khz mt 20 ms preamp off 150 khz 30 mhz 115vac, 60hz, maximum load, l line, en55022 limits sgl 6db tds 1 mhz 10 mhz 0 10 20 30 40 50 60 70 80 90 100 110 120 en55022a en55022q clrwr 2 av 1 pk clrwr att 10 db rbw 9 khz mt 20 ms preamp off 150 khz 30 mhz 115vac, 60hz, maximum load, n line, en55022 limits
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 13 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. thermal test test with 85vac input and full load condition. pcb layout is with 1oz copper. ambient temperature is 25c. pcb area heated by mp020-5 top layer mp020-5 bottom layer test with 265vac input and full load condition. pcb layout is with 1oz copper. ambient temperature is 25c. transformer top layer mp020-5 output diode bottom layer
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 14 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. temperature chamber test the evb setup in constant temperature chamber with full load and 85vac input. full load (0.7a) output in 85 ambient temperature will trigger the otp. 40 50 60 70 80 90 100 110 120 130 140 30 35 40 45 50 55 60 65 70 75 80 85 90
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 15 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evb test results performance waveforms are tested on the evaluation board. v in =115vac/60hz, v out =12v, i out =0.7a, l p =2.48mh, n p :n p_au :n s =184:15:16, t a =25 , unless otherwise noted.
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 16 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evb test results (continued) performance waveforms are tested on the evaluation board. v in =115vac/60hz, v out =12v, i out =0.7a, l p =2.48mh, n p :n p_au :n s =184:15:16, t a =25 , unless otherwise noted.
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 17 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evb test results (continued) performance waveforms are tested on the evaluation board. v in =230vac/50hz, v out =12v, i out =0.7a, l p =2.48mh, n p :n p_au :n s =184:15:16, t a =25 , unless otherwise noted.
EV020-5-S-00B ? universal input, 8.4w home appliances EV020-5-S-00B rev.1.02 www.monolithicpower.com 18 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evb test results (continued) performance waveforms are tested on the evaluation board. v in =230vac/50hz, v out =12v, i out =0.7a, l p =2.48mh, n p :n p_au :n s =184:15:16, t a =25 , unless otherwise noted.
EV020-5-S-00B ? universal input, 8.4w home appliances 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. EV020-5-S-00B rev.1.02 www.monolithicpower.com 19 8/28/2015 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. 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. for three- wire input application, make output gnd connected to earth. 4. connect load to: a. positive (+): vout b. negative (?): gnd 5. turn power supply on after making connections.

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