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EV4088-S-00A 198vac~265vac/50hz, 55v/100ma low cost, small form factor, high pfc off-line dimmable led dr iver evaluation board EV4088-S-00A rev.1.0 www.monolithicpower.com 1 12/2/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. the future of analog ic technology description the EV4088-S-00A evaluation board is designed to demonstrate the capabilities of mp4088. the mp4088 is a highly integrated triac dimmable led driver with high power factor. it is specifically designed for high-line input (230vac), no-isolated, triac-dimmable led lighting applications, especially for the low cost and small form factor applications. the mp4088 integrates a 500v mosfet. only a single winding inductor is required to realize the solution. it features mps?s proprietary hybrid operation mode which is designed to achieve good dimming performance. the EV4088-S-00A is typically designed for driving a 5.5w triac dimmable led bulb with 55v typ , 100ma led load from 198vac to 265vac, 50hz. the EV4088-S-00A has an excellent efficiency and meets iec61547 surge immunity, iec61000-3-2 class c harmonics and en55015 conducted emi requirements. it has multi-protection function as over-voltage protection; output short-circuit protection, thermal shut down, etc. electrical specification parameter symbol value units input voltage v in 198 to 265 vac output voltage v out 55 v led current i led 100 ma output power p out 5.5 w efficiency (full load) >76 % power factor pf >0.80 thd thd <50.3 % features ? excellent triac dimming performance ? lowest cost bom ? constant current led driver ? good led current accuracy ? 500v mosfet integrated ? internal hv fast start-up ? single winding inductor ? high power factor(>0.80) ? led current foldback at high temperature ? thermal shutdown (auto restart with hysteresis) ? vcc under voltage lockout with hysteresis (uvlo) ? programmable over voltage protection ? output short circuit protection ? fit inside gu10 bulb enclosure applications ? solid state lighting ? industrial & commercial lighting ? residential lighting all 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.
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 2 12/2/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. EV4088-S-00A evaluation board (l x w x h) 35mm x 22.5mm x 20mm board number mps ic number EV4088-S-00A mp4088gs evaluation board schematic l n 600v/0.5a mb6s bd1 198vac-265vac es1j/600v/1a d1 c6 2.2/1206/1% r10 c5 led+ led- 33k/1% r8 1m/0.25w r9 300k/0805 r11 ee10/2mh l3 gnd 55v/100ma gnd dsf1j 600v/1a d4 100/1w r1 100/1w r2 c1 33nf/400v c2 68nf/450v 4.7mh l1 5.11k/0805 r3 510/1w r7 c4 150nf/450v 5.11k/0805 r4 4.7mh l2 wsgc10mh 1000v/1a d3 20k/2w r6 wsgc10mh 1000v/1a d2 1m/0.25w r5 c3 hv 8 gnd 6 vcc 1 gnd 2 ovf 3 cs 4 gnd 5 u1 mp4088gs 3.3/1206/1% r12 figure 1?schematic
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 3 12/2/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. pcb layout (single-sided) figure 2?top layer figure 3?bottom layer
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 4 12/2/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. circuit description the EV4088-S-00A is configured in a single- stage buck-boost topology and gets a cost effective bom. it also achieves high power factor and excellent triac dimming performance. r1, r2, and bd1 compose the input stage. the resistors r1, r2 are used as a passive damper of dimming. the diode rectifier bd1 rectifies the input line voltage. l1, l2, r3, r4, c1 and c2 form a emi filter. r5, c3, and d2 form a rcd snubber to obtain good surge test performance, the surge spike energy will be absorbed by the electrolytic cap c3. r7, c4 are used as a bleeder which keeping the triac current above the minimum holding current after leading edge dimmer turns on. the d3, r6 are used to reduce the big capacitance influence after trailing edge dimmer turns off and improve the trailing edge dimming. c5 is used to supply the power for mp4088. the power is charged by the internal high voltage regulator from hv pin. r8 and r9 are used to monitor the output ovp condition. the ovp voltage is set by the divider ratio of r8 and r9. r10, r12 are sensing resistors for led current control. the value of r10 and r12 set the output led current. diode d1 is the buck-boost fly-wheel diode, the inductor l3 and the capacitor c6 are the output filter. the resistor r11 is placed as a dummy load to consume the output power in open load condition. the diode d4 is used to prevent the output current flowing back to ic when input sine voltage drops lower than output voltage.
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 5 12/2/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. EV4088-S-00A bill of materials qty ref value description package manufacturer manufacture_p/n 1 bd1 mb6s rectifier bridge, 600v,0.5a soic-4 taiwan semiconductor mb6s 1 c1 33nf/400v capacitor,400v,cbb dip ponasonic ecqe400vdc333k 1 c2 68nf/450v capacitor,450v,cbb dip fala c222s683j30c000 1 c3 1f/400v electrolytic capacitor, 400v dip rubycon 400lle1mefc6.3x11 1 c4 150nf/450v capacitor,450v,cbb dip fala c222s154k30c000 1 c5 10 f/10v ceramic capacitor, 10v,x7r 0805 murata grm21br71a106me51l 1 c6 150 f/63v electrolytic capacitor, 63v dip ymin lk 150uf/63v 1 d1 es1j diode,1a,600v sma toshiba es1j 2 d2,d3 wsgc10mh diode,1a,1000v 1206 zowie wsgc10mh 1 d4 dsf1j diode,1a ,600v sod-123 sxy dsf1j 2 l1,l2 4.7mh inductor,4.7mh dip bangdayuan ckl0510-472 1 l3 2mh inductor, 0.18mm, 277 turns ee10 emei fx0424 2 r1,r2 100 ? /1w resistor,5%,1w dip any 100ohm/1w 2 r3,r4 5.11k ? thick film chip res, 1% 0805 royalohm 0805f5111t5e 2 r5,r9 1m/0.25w resistor ,0.25w dip any 1m/0.25w 1 r6 20k ? /2w resistor,5%,2w dip any 20k ?/2w 1 r7 510 ? /1w resistor,5%,1w dip any 510?/1w 1 r8 33k ? film resistor,1% 0603 yageo rc0603fr-0733kl 1 r10 2.2 ? film resistor,1% 1206 yageo rc1206fr-072r2l 1 r11 300k ? film resistor,1% 0805 yageo rc0805fr-07300kl 1 r12 3.3 ? film resistor,1% 1206 yageo rc1206fr-073r3l 1 u1 mp4088gs triac-dimmable led lighting controller soic8ld- 7 mps mp4088gs r5 4 l,n, +,? 1.0 1.0
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 6 12/2/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. transformer specification electrical diagram 3 277ts 0.18mm*1 inductor ee10 winding start 4 n 1 1 core is connected to pin 1 with iron wire ??1 figure 4?transformer electrical diagram winding diagram figure 5?winding diagram pin side pin side 3ts n 1 1t
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 7 12/2/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. winding order ? (tape layer number) ? (winding no.) ?? (start & end) ? (magnet wire) ? (turns) 1 3 n 3 ? 4 0.18*1 277 (core)?1 ?? (thin iron wire) 3 electrical specifications electrical strength 60 second, 50hz, from winding to core. 1000vac inductance pins 3 - 4, measured at 60khz, 0.1 vrms 2mh8% materials item description 1 core: ee10, ui=250025%, al=221.5h/n 2 2% gap, acme p4 or equivalent 2 bobbin: ee10, 4+4pin rmmove pin 2,5,6,7,8 3 wire: - 0.18mm, 2uew, class f or equivalent thin iron wire 4 tape: 6.5mm(w)0.06mm(th) 5 varnish: john c. dolph co, bc-346a or equivalent 6 solder bar: chen nan: sn99.5/cu0.5 or equivalent
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 8 12/2/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evb test results performance data efficiency, pf and thd f (hz) vin (v) pin (w) vo(v) io (ma) po (w) efficiency (%) pf 198 6.89 55.80 96 5.36 77.71 0.886 210 7.08 55.90 98 5.48 77.38 0.870 220 7.23 55.90 100 5.59 77.32 0.858 230 7.38 55.90 102 5.70 77.26 0.847 240 7.51 55.90 103 5.76 76.67 0.835 250 7.68 56.00 105 5.88 76.56 0.823 260 7.78 56.00 106 5.94 76.30 0.813 50 265 7.87 56.00 107 5.99 76.14 0.807 dimming compatibility (no flicker with these 25different dimmers) dimmer no. manufacturer part no. power stage dimming type imax (ma) imin(ma) 1 mika 433/4 60-400w leading 91 34 2 busch 2250u 600w leading 97 17 3 berker 283010 60-400w leading 95 23 4 jung 225 nv de 20-500w/va leading 93 13 5 berker 286610 20-500w leading 95 21 6 jung 266 gde 60-600w leading 95 19 7 berker 2875 60-600w leading 95 17 8 jung 225 nv de 20-500w/va leading 95 20 9 berker 2819 60-400w leading 92 36 10 mika 433 60-300 leading 91 35 11 gira 0300 00/i01 60-400w leading 89 40 12 teller 40600rl 40-600w leading 90 18 13 busch 2247u 500w/va leading 94 21 14 emc prop400u 40-400w leading 91 17 15 busch 2200.. 60-400w leading 95 26 16 lichtregler t46s 20~315w trailing 94 31 17 busch 6513 u-102 420w/va trailing 100 39 18 mika 433 hab 20-315w trailing 92 27 19 mika? eim-585 20-300w trailing 89 9 20 busch 6519u 550w/va trailing 99 38 21 jung 225 tde 20-525w trailing 96 29 22 siemens 5tc8 284 20-600w trailing 98 36 23 jung 254 udie 1 50-420w/va trailing 97 37 24 berker 286110 50-420w trailing 97 37 25 mika 433hab 20-315w trailing 86 28
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 9 12/2/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. electric strength test input and output was shorted respectively. 3750vac/50hz sine wave applied between input and output for 1min, and operation was verified. surge test line to line 500v surge testing was completed according to iec61547. input voltage was set at 230vac/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) 500 230 l to n 90 pass -500 230 l to n 270 pass thermal test test without dimmer and with dimmer without dimmer without dimmer leading edge dimmer at 50% dimming on phase trailing edge dimmer at max dimming on phase chip: 78.8 bleeder resistor r7: 68.4 bleeder resistor r7: 91.4 chip: 78.8
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 10 12/2/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evb test results performance waveforms are tested on the evaluation board. v in =230vac/50hz, 18 leds in series, i led =100ma, v out =55v. 9khz 1 pk clrwr 2 av clrwr sgl tds 6db 30 mhz 9khz 1 pk clrwr 2 av clrwr sgl tds 6db 30 mhz sgl tde 6db 1 pk clrwr 2 av clrwr 30 mhz 300 mhz 120 110 100 90 80 70 60 50 40 30 20 10 0 en55015q en55015a 100 khz 1 mhz 10 mhz 100 khz 1 mhz 10 mhz 120 110 100 90 80 70 60 50 40 30 20 10 0 en55015q en55015a 100 mhz cdn qp 120 110 100 90 80 70 60 50 40 30 20 10 0 -8.0 -6.0 -4.0 -2.0 0.0 2.0 4.0 6.0 198 208 218 228 238 248 258 198 208 218 228 238 248 258 198 208 218 228 238 248 258 198 208 218 228 238 248 258 71.0 72.0 73.0 74.0 75.0 76.0 77.0 78.0 79.0 0.70 0.72 0.74 0.76 0.78 0.80 0.82 0.84 0.86 0.88 0.90 0.0 10.0 20.0 30.0 40.0 50.0 60.0 0 20 40 60 80 100 120 0 20 40 60 80 100 120 140 160
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 11 12/2/2015 mps proprietary information. patent protec ted. 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, 18 leds in series, i led =100ma, v out =55v. i inductor 200ma/div. v hv_led+ 100v/div. v in 50mv/div. i inductor 200ma/div. v hv_led+ 100v/div. i inductor 200ma/div. v cs_led+ 100v/div. v hv_led+ 100v/div. v hv_led+ 100v/div. v cs_led+ 100v/div. i in 200ma/div. i out 50ma/div. i inductor 200ma/div. v hv_led+ 100v/div. i out 50ma/div. i inductor 200ma/div. v hv_led+ 200v/div. i in 100ma/div. i inductor 200ma/div. v hv_led+ 200v/div. i in 100ma/div. i inductor 200ma/div. v hv_led+ 200v/div. i in 100ma/div. i inductor 200ma/div. v hv_led+ 200v/div. i in 100ma/div.
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver EV4088-S-00A rev.1.0 www.monolithicpower.com 12 12/2/2015 mps proprietary information. patent protec ted. 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, 18 leds in series, i led =100ma, v out =55v. i inductor 200ma/div. i led 200ma/div. v hv_led+ 100v/div. v cs_led+ 200v/div. i inductor 200ma/div. i led 200ma/div. v hv_led+ 100v/div. v cs_led+ 200v/div.
EV4088-S-00A ? high line voltage, 5.5w low cost dimmable led driver notice: the information in this document is subject to change wi thout notice. 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. EV4088-S-00A rev.1.0 www.monolithicpower.com 13 12/2/2015 mps proprietary information. patent protect ed. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. quick start guide 1. preset ac power supply to 198vac v in 265vac. 2. turn power supply off. 3. connect the led string between ?led+? (anode of led string) and ?led-? (cathode of led string). 4. connect power supply terminals to ac v in terminals (?l? and ?n?) as shown on the board. 5. turn ac power supply on after making connections.

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