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rev. 0.1 2/13 copyright ? 2013 by silicon laboratories SI826X-EVB SI826X-EVB si826 x led e mulator i nput i sodriver e valuation b oard u ser ? s g uide 1. introduction the si826x evaluation board allows designers to eval uate silicon lab's si826x family of cmos based led emulator input isodrivers. the si826x isodrivers are pi n-compatible, drop-in upgrades for popular opto-coupled gate drivers, such as 0.6 a acpl-0302/3020, 2.5 a hcpl-3120/acpl-3130, hcnw3120/3130, and similar opto- drivers. the devices are ideal for driving power mosfets and igbts used in a wide variety of inverter and motor control applications. the si82 6x isolated gate drivers utilize silicon laboratories' proprietary silicon isolation technology, supporting up to 5.0 kv rms withstand voltage per ul1577. this technology enables higher-performance, reduced variation with temperature and age, tighter part-to-part matching, and superior common-mode rejection compared to opto-coupled gate drivers. while the input ci rcuit mimics the characterist ics of an led, less drive current is required, resulting in higher efficiency. propag ation delay time is independent of input drive current, resulting in consistently sh ort propagation times, tighter unit-to-unit variation, and greater input circuit design flexibility. as a result, the si826x series offers longer service life and dramatically higher reliability compared to opto-coupled gate drivers. the evaluation kit consists of four separately orderable boards with each board featuring either the dip8, soic8, sdip6, or lga8 package. for more information on configuring the isodriver itself, see the si826x product data sheet and application note ?an677: using the si826x family of isolated gate drivers?. 1.1. kit contents each si826x evaluation kit contains the following items: ?? si826x based evaluation board as shown in figures 1 through 4. ?? si826x led emulator input isodriver (installed on the evaluation board) ?? si8261 (dip8, soic8, sdip6, lga8) figure 1. si826x dip8 evaluation board overview figure 2. si826x soic8 evaluation board overview
SI826X-EVB 2 rev. 0.1 figure 3. si826x sdip6 evaluation board overview figure 4. si826x lga8 evaluation board overview
SI826X-EVB rev. 0.1 3 2. required equipment the following equipment is required to demonstrate the evaluation board: ?? 1 digital multimeter ?? 2 multimeter test leads (red and black) ?? 1 oscilloscope (tektronix tds 2024b or equivalent) ?? 1 function generator (agilent 33220a, 20 mhz or equivalent) ?? 1 dc power supply (hp6024a, 30 v dc, 0?100 ma or equivalent) ?? 1 bnc splitter ?? 3 coaxial cables ?? 2 bnc to clip converters (red and black) ?? 2 banana to clip wires (red and black) ?? si826x evaluation board (board under test) ?? si826x led emulator inpu t evaluation board user's guide (this document)
SI826X-EVB 4 rev. 0.1 3. hardware overview and demo figure 5 illustrates the conn ection diagram to demonstrate the si826x -dip8 evb. the othe r footprint boards demonstrate in a similar fashion. this demo transmits a 500 khz (5 v peak, 50 percent duty cycle) square wave through the isodriver to its output (vo). in this example, vdd is powered by a 15 v supply. figure 6 shows a scope shot of ch1 (input) and ch2 (output). note that if a us er wants to evaluate an led emulator input isodriver other than the ones pre-populated, this can be accomplished by removing the installed device and replacing it with the desired footprint-compat ible isodriver device. figure 5. summary diagram and test setup figure 6. oscilloscope display of input and output output to scope ch2 signal input (500 khz, 5 vpk) square wave power supply (15 v, 100 ma) input to scope ch1 + - + - + -
SI826X-EVB rev. 0.1 5 3.1. board jumper settings to run the demo, follow the instruct ions below. review figure 5 and figures 11 through 14 if necessary. 1. ensure that jp1 and jp6 are installed as shown in figure 1, 2, 3, or 4. 3.2. dc supply configuration 1. turn off the dc power supply and ensure that the output voltage is set to its lowest output voltage. 2. connect the banana ends of the black and red banana to clip terminated wires to the outputs of the dc supply. 3. then, connect the clip end of the red and black banana to clip wires to p2. the red wire goes to pin1. the black wire goes to pin3. 4. turn on the dc power supply. 5. adjust the dc power supply to provide 15 v on its output. 6. ensure that the current draw is less than 25 ma. if it is larger, this indicates that either the board or si826x has been damaged or the supply is connected backwards. 3.3. wave form generator 1. turn on the arbitrary waveform generator with the output disengaged. 2. adjust its output to provide a 500 khz, 0 to 5 v peak square wave (50 percen t duty cycle) to its output. 3. split the output of the generator with a bnc splitter. 4. from the bnc splitter, connect a coaxial cable to ch1 of the scope. this will be the input. 5. connect a second coaxial cable to the bnc splitter, and connect a bnc-to-clip converter to the end of the coaxial cable. 6. from here, connect the clip ends of the bnc-to-clip converter to p1, pin1 (red wire here) and pin3 (black wire here). the positive terminal is pin1 on p1. 7. connect one end of a third coaxial cable to a bnc-to-clip converter (note that a scope probe can be used here instead). 8. from here, connect the clip end of the bnc-to-clip converter to p2, pin2 (red wire here) and pin3 (black wire here). vo is on p2 pin2. 9. connect the other end of th e coaxial cable to ch2 of the o scilloscope. this will be the output. 10. engage the output of the waveform generator. 3.4. oscilloscope setup 1. turn on the oscilloscope. 2. set the scope to trigger on ch1 and adjust the trigger level to 1 v minimum. 3. set ch1 to 2 v per division. set ch2 to 5 v per division. 4. adjust the seconds/divis ion setting to 250 ns/division. 5. adjust the level indicator for all channels to properly view each channel as shown in figure 6. a 500 khz square wave should display on channel 1 of th e scope for the input and a slightly delayed 5 v version of this square wave should display the output on channel 2, as shown in figure 6. this concludes the basic demo. for more advanced demos, see the following section.
SI826X-EVB 6 rev. 0.1 3.5. adjusting input signal frequency and vdd now is a good time to explore some additional functiona lity of the board. from here the user can do the following: 1. slowly adjust vdd down to 13 v and up to 30 v. t hen, take the vdd voltage below 12 v. once below 12 v, it can be seen that the si826x?s uvlo turns on. in this condition, the output should turn off in which case the square wave disappears. 2. next, adjust the supply back to 15 v. 3. another dial the user can adjust is the frequency dial on the square wave generator. turn this dial from tens of hz up to several mhz and observe the scope output.
SI826X-EVB rev. 0.1 7 4. open loop pol evaluation board the power and jumper connections descriptions are summarized here: ?? p1 external input signal connections to drive the led emulator. ?? p2 external output sig nal and vdd connections. ?? jp1 jumper when installed bypasses the external bootstrap circuitry. ?? jp2 jumper when installed used to accommodate common-anode drive. ?? jp3 jumper when installed can be used to enable the fast reverse recovery diode. ?? jp4 jumper when installed can be used to add additional load to output. ?? jp5 jumper when installed can be used to bypass the output gate resistor. ?? jp6 jumper when installed used to accommodate common-cathode drive. 4.1. voltage and current sense test points the si826x evaluation board has several test points. these test points correspond to the respective pins on the si826x integrated circuits as well as other useful inspection points. see figures 7 through 10 for a silkscreen overview. see schematics in figures 11 through 14 for more details as well. figure 7. si826x dip8 evaluation board silkscreen figure 8. si826x soic8 evaluation board silkscreen
SI826X-EVB 8 rev. 0.1 figure 9. si826x sdip6 evaluation board silkscreen figure 10. si826x lga8 evaluation board silkscreen
SI826X-EVB rev. 0.1 9 5. si826x evaluation board schematics vdd vo gnd2 anode_ext cathode_ext gnd_ext gnd2 gnd2 gnd2 gnd2 sf4 bumper u1 si826x pdip8 nc 1 anode 2 cathode 3 nc 4 gnd 5 vo 6 vo 7 vdd 8 tp1 p1 jp2 p2 r1 267 c3 0.1uf c6 200pf ni r4 267 ni d1 us1k ni jp6 1 1 3 3 2 2 4 4 c5 200pf ni jp5 c4 200pf ni js1 jumper shunt tp2 tp5 js2 jumper shunt tp8 r2 0 ni c2 1uf tp6 sf2 bumper jp3 tp4 r3 4.7 sf1 bumper tp7 c1 10uf tp3 sf3 bumper jp4 jp1 cr1 bas16x figure 11. si826x dip8 evaluation board schematic
SI826X-EVB 10 rev. 0.1 vdd vo gnd2 anode_ext cathode_ext gnd_ext gnd2 gnd2 gnd2 gnd2 sf4 bumper tp1 p1 jp2 p2 r1 267 c3 0.1uf c6 200pf ni r4 267 ni d1 us1k ni jp6 1 1 3 3 2 2 4 4 c5 200pf ni jp5 c4 200pf ni js1 jumper shunt tp2 tp5 js2 jumper shunt tp8 r2 0 ni c2 1uf tp6 sf2 bumper jp3 tp4 r3 4.7 u1 si826x soic8 nc 1 anode 2 cathode 3 nc 4 gnd 5 vo 6 vo 7 vdd 8 sf1 bumper tp7 c1 10uf tp3 sf3 bumper jp4 jp1 cr1 bas16x figure 12. si826x soic8 evaluation board schematic
SI826X-EVB rev. 0.1 11 vdd vo gnd2 anode_ext cathode_ext gnd_ext gnd2 gnd2 gnd2 gnd2 sf4 bumper tp1 p1 jp2 p2 r1 267 c3 0.1uf c6 200pf ni r4 267 ni d1 us1k ni jp6 1 1 3 3 2 2 4 4 c5 200pf ni jp5 c4 200pf ni js1 jumper shunt tp2 tp5 js2 jumper shunt tp8 r2 0 ni c2 1uf tp6 sf2 bumper u1 si826x sdip6 anode 1 nc 2 cathode 3 gnd 4 vo 5 vdd 6 jp3 tp4 r3 4.7 sf1 bumper tp7 c1 10uf tp3 sf3 bumper jp4 jp1 cr1 bas16x figure 13. si826x sdip6 evaluation board schematic
SI826X-EVB 12 rev. 0.1 vdd vo gnd2 anode_ext cathode_ext gnd_ext gnd2 gnd2 gnd2 gnd2 sf4 bumper tp1 p1 jp2 p2 r1 267 c3 0.1uf c6 200pf ni r4 267 ni d1 us1k ni jp6 1 1 3 3 2 2 4 4 c5 200pf ni jp5 c4 200pf ni js1 jumper shunt tp2 tp5 js2 jumper shunt tp8 r2 0 ni c2 1uf tp6 sf2 bumper jp3 tp4 r3 4.7 sf1 bumper tp7 c1 10uf tp3 u1 si826x lga8 nc 1 anode 2 cathode 3 nc 4 gnd 5 vo 6 vo 7 vdd 8 sf3 bumper jp4 jp1 cr1 bas16x figure 14. si826x lga8 evaluation board schematic
SI826X-EVB rev. 0.1 13 6. bill of materials table 1. si826x dip8 evaluation board bill of materials item qty ref part # supplier description value 1 1 c1 grm32df51h106za01l murata electronics north america cap, 10 f, 50 v, ?20% to +80%, y5v, 1210 10 f 2 1 c2 c1210x7r101-105k venkel cap, 1 f, 100 v, 10%, x7r, 1210 1f 3 1 c3 c0603x7r101-104m venkel cap, 0.1 f, 100 v, 20%, x7r, 0603 0.1 f 4 3 c4, c5, c6 c0805c0g500-201k venkel cap, 200 pf, 50 v, 10%, cog, 0805 200 pf 5 1 cr1 bas16xv2t1g on semi dio, switch, 200 ma, 75 v, sod523 bas16x 6 1 d1 us1k-13-f diodes inc. dio, switch, ult fast 1 a 800 v, sma us1k 7 5 jp1, jp2, jp3, jp4, jp5 tsw-102-07-t-s samtec header, 2x1, 0.1in pitch, tin plated jumper 8 1 jp6 tsw-102-07-t-d samtec header, 2x2, 0.1in pitch, tin plated header 2x2 9 2 js1, js2 snt-100-bk-t samtec shunt, 1x2, 0.1in pitch, tin plated jumper shunt 10 2 p1, p2 tsw-103-07-t-s samtec header, 3x1, 0.1in pitch, tin plated header 1x3 11 2 r1, r4 cr0805-10w-2670f venkel res, 267 ? , 1/10 w, 1%, thickfilm, 0805 267 12 1 r2 cr0805-10w-000 venkel res, 0 ? , 2 a, thickfilm, 0805 0 13 1 r3 cr0805-10w-4r7j venkel res, 4.7 ? , 1/10w, 5%, thickfilm, 0805 4.7 14 4 sf1, sf2, sf3, sf4 sj61a6 3m hdw, bumpon cylindrical .312x.215 blk bumper 15 8 tp1, tp2, tp3, tp4, tp5, tp6, tp7, tp8 151-201-rc kobiconn testpoint, white, pth white 16 1 u1 si8261bcc-c-ip silicon labs isodriver 3.75 kv emulator input, dip8, rohs si826x dip8
SI826X-EVB 14 rev. 0.1 table 2. si826x soic8 evaluation board bill of materials item qty ref part # supplier description value 1 1 c1 grm32df51h106za01l murata electronics north america cap, 10 f, 50 v, ?20% to +80%, y5v, 1210 10 f 2 1 c2 c1210x7r101-105k venkel cap, 1 f, 100 v, 10%, x7r, 1210 1f 3 1 c3 c0603x7r101-104m venkel cap, 0.1 f, 100 v, 20%, x7r, 0603 0.1 f 4 3 c4, c5, c6 c0805c0g500-201k venkel cap, 200 pf, 50 v, 10%, cog, 0805 200 pf 5 1 cr1 bas16xv2t1g on semi dio, switch, 200 ma, 75 v, sod523 bas16x 6 1 d1 us1k-13-f diodes inc. dio, switch, ult fast 1 a 800 v, sma us1k 7 5 jp1, jp2, jp3, jp4, jp5 tsw-102-07-t-s samtec header, 2x1, 0.1in pitch, tin plated jumper 8 1 jp6 tsw-102-07-t-d samtec header, 2x2, 0.1in pitch, tin plated header 2x2 9 2 js1, js2 snt-100-bk-t samtec shunt, 1x2, 0.1in pitch, tin plated jumper shunt 10 2 p1, p2 tsw-103-07-t-s samtec header, 3x1, 0.1in pitch, tin plated header 1x3 11 2 r1, r4 cr0805-10w-2670f venkel res, 267 ? , 1/10 w, 1%, thickfilm, 0805 267 12 1 r2 cr0805-10w-000 venkel res, 0 ? , 2 a, thickfilm, 0805 0 13 1 r3 cr0805-10w-4r7j venkel res, 4.7 ? , 1/10w, 5%, thickfilm, 0805 4.7 14 4 sf1, sf2, sf3, sf4 sj61a6 3m hdw, bumpon cylindrical .312x.215 blk bumper 15 8 tp1, tp2, tp3, tp4, tp5, tp6, tp7, tp8 151-201-rc kobiconn testpoint, white, pth white 16 1 u1 si8261bcc-c-is silicon labs isodriver 3.75 kv emulator input, soic8, rohs si826x soic8
SI826X-EVB rev. 0.1 15 table 3. si826x sdip6 evaluation board bill of materials item qty ref part # supplier description value 1 1 c1 grm32df51h106za01l murata electronics north america cap, 10 f, 50 v, ?20% to +80%, y5v, 1210 10 f 2 1 c2 c1210x7r101-105k venkel cap, 1 f, 100 v, 10%, x7r, 1210 1f 3 1 c3 c0603x7r101-104m venkel cap, 0.1 f, 100 v, 20%, x7r, 0603 0.1 f 4 3 c4, c5, c6 c0805c0g500-201k venkel cap, 200 pf, 50 v, 10%, cog, 0805 200 pf 5 1 cr1 bas16xv2t1g on semi dio, switch, 200 ma, 75 v, sod523 bas16x 6 1 d1 us1k-13-f diodes inc. dio, switch, ult fast 1 a 800 v, sma us1k 7 5 jp1, jp2, jp3, jp4, jp5 tsw-102-07-t-s samtec header, 2x1, 0.1in pitch, tin plated jumper 8 1 jp6 tsw-102-07-t-d samtec header, 2x2, 0.1in pitch, tin plated header 2x2 9 2 js1, js2 snt-100-bk-t samtec shunt, 1x2, 0.1in pitch, tin plated jumper shunt 10 2 p1, p2 tsw-103-07-t-s samtec header, 3x1, 0.1in pitch, tin plated header 1x3 11 2 r1, r4 cr0805-10w-2670f venkel res, 267 ? , 1/10 w, 1%, thickfilm, 0805 267 12 1 r2 cr0805-10w-000 venkel res, 0 ? , 2 a, thickfilm, 0805 0 13 1 r3 cr0805-10w-4r7j venkel res, 4.7 ? , 1/10w, 5%, thickfilm, 0805 4.7 14 4 sf1, sf2, sf3, sf4 sj61a6 3m hdw, bumpon cylindrical .312x.215 blk bumper 15 8 tp1, tp2, tp3, tp4, tp5, tp6, tp7, tp8 151-201-rc kobiconn testpoint, white, pth white 16 1 u1 si8261bcd-c-is silicon labs is odriver 5 kv emulator input, sdip6, rohs si826x sdip6
SI826X-EVB 16 rev. 0.1 table 4. si826x lga8 evaluation board bill of materials item qty ref part # supplier description value 1 1 c1 grm32df51h106za01l murata electronics north america cap, 10 f, 50 v, ?20% to +80%, y5v, 1210 10 f 2 1 c2 c1210x7r101-105k venkel cap, 1 f, 100 v, 10%, x7r, 1210 1f 3 1 c3 c0603x7r101-104m venkel cap, 0.1 f, 100 v, 20%, x7r, 0603 0.1 f 4 3 c4, c5, c6 c0805c0g500-201k venkel cap, 200 pf, 50 v, 10%, cog, 0805 200 pf 5 1 cr1 bas16xv2t1g on semi dio, switch, 200 ma, 75 v, sod523 bas16x 6 1 d1 us1k-13-f diodes inc. dio, switch, ult fast 1 a 800 v, sma us1k 7 5 jp1, jp2, jp3, jp4, jp5 tsw-102-07-t-s samtec header, 2x1, 0.1in pitch, tin plated jumper 8 1 jp6 tsw-102-07-t-d samtec header, 2x2, 0.1in pitch, tin plated header 2x2 9 2 js1, js2 snt-100-bk-t samtec shunt, 1x2, 0.1in pitch, tin plated jumper shunt 10 2 p1, p2 tsw-103-07-t-s samtec header, 3x1, 0.1in pitch, tin plated header 1x3 11 2 r1, r4 cr0805-10w-2670f venkel res, 267 ? , 1/10 w, 1%, thickfilm, 0805 267 12 1 r2 cr0805-10w-000 venkel res, 0 ? , 2 a, thickfilm, 0805 0 13 1 r3 cr0805-10w-4r7j venkel res, 4.7 ? , 1/10w, 5%, thickfilm, 0805 4.7 14 4 sf1, sf2, sf3, sf4 sj61a6 3m hdw, bumpon cylindrical .312x.215 blk bumper 15 8 tp1, tp2, tp3, tp4, tp5, tp6, tp7, tp8 151-201-rc kobiconn testpoint, white, pth white 16 1 u1 si8261bcd-c-im silicon labs is odriver 5 kv emulator input, lga8, rohs si826x lga8
SI826X-EVB rev. 0.1 17 7. ordering guide table 5. si826x evaluation board ordering guide ordering part number (opn) description si826xdip8-kit si826x isodriver evaluati on board kit featuring dip8 package si826xsoic8-kit si826x isodriver evalua tion board kit featuring soic8 package si826xsdip6-kit si826x isodriver evaluati on board kit featuring sdip6 package si826xlga8-kit si826x isodriver evaluati on board kit featuring lga8 package
SI826X-EVB 18 rev. 0.1 c ontact i nformation silicon laboratories inc. 400 west cesar chavez austin, tx 78701 tel: 1+(512) 416-8500 fax: 1+(512) 416-9669 toll free: 1+(877) 444-3032 please visit the silicon labs technical support web page: https://www.silabs.com/support/pages/contacttechnicalsupport.aspx and register to submit a technical support request. patent notice silicon labs invests in research and development to help our cust omers differentiate in the market with innovative low-power, s mall size, analog- intensive mixed-signal soluti ons. silicon labs' extensive patent portfolio is a testament to our unique approach and world-clas s engineering team. silicon laboratories and silicon labs are trademarks of silicon laboratories inc. other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders. the information in this document is believed to be accurate in all respects at the time of publ ication but is subject to change without notice. silicon laboratories assumes no responsibili ty for errors and omissions, and disclaim s responsibility for any consequences resu lting from the use of information included herein. additionally, silicon laboratories assumes no responsibility for the functioning of und escribed fea- tures or parameters. silicon laboratories reserves the right to make changes without further notice. silicon laboratories makes no warran- ty, representation or guarantee regarding t he suitability of its products for any par ticular purpose, nor does silicon laborato ries assume any liability arising out of the application or use of any product or circuit, and specif ically disclaims any and all liability, in cluding without limitation consequential or incidental damages . silicon laboratories products are not designed, intended, or authorized for use in applica tions intend- ed to support or sustain life, or for any other application in which the failure of the silicon laboratories product could crea te a situation where personal injury or death may occur. should buyer purchase or us e silicon laboratories products for any such unintended or unaut horized application, buyer shall indemnify and hold silicon laboratories harmle ss against all claims and damages.

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