http://www.idc-com.co.jp gau212s-15255 universal gate drive prototype board feature >built in the isolated dc- dc converter for gate drive >output peak current is +/-12a(max) >electrical isolatio n voltage is 2500vrms (for 1 minute) >two way power supply system for drivers and input signal (vd=15v , vin=5v) >cmos compatible input interface recommended igbt modules mitsubishi nfh series igbt modules vces = 600v series ~ 400a class vces = 1200v series ~ 600a class mitsubishi nf series igbt modules vces = 600v series ~ 600a class vces = 1200v series ~1400a class gate driver : VLA502-01R size : 60 x 120 x 40t
http://www.idc-com.co.jp block diagram dc-ac converter amp vin in2 vd gnd in1 g1 e1 g2 e2 regu- lator 300 ohm 300 ohm dc-ac converter regu- lator amp
http://www.idc-com.co.jp maximum ratings ma 210 gate average current (per one circuit) gate drive current idrive -25 ~ 85 no condensation allowable storage temperature tstg -20 ~ 60 no condensation allowable operating temperature topr vrms 2500 sine wave voltage 60hz, for 1min isolation voltage viso a 12 iolp a -12 pulse width 2us output peak current iohp v -1 ~+7 applied between vin ? in1,2 50% duty cycle , pulse width 1ms input signal voltage vi v 16.5 dc supply voltage vd unit ratings conditions parameter symbol electrical characteristics us 0.65 0.4 - iih = 10ma ?h-l? propagation time tphl 0.65 -5.5 16.5 - 60 14 5.25 15.8 0.4 -8 15.5 - - 10 5 15 max typ us - iih = 10ma ?l-h? propagation time tplh v -11 - minus bias voltage vol v 14 - plus bias voltage voh ohm 1 recommended range gate resistance rg khz - recommended range switching frequency f ma 9.5 recommended range ?h? input signal current iih v 4.75 recommended range pull-up voltage on input side vin v 14.2 recommended range supply voltage vd min unit limits conditions parameter symbol unless otherwise noted, ta=25c ( unless otherwise noted, ta=25c, vd=15v)
http://www.idc-com.co.jp inner circuit **) gate resistor is not installed at the time of shipment. please solder the chosen resistor. hic1,2 VLA502-01R isahaya dz1,2,3,4 vz=18v,500mw rg gate resistor c1,2,4,5 1000 f,35v low impedance c3,6 100 f,50v low impedance r1,2 4.7k ,250mw cn1,2 b2b-xh-a jst cn3 b7b-xh-a jst cn3 cn1 hic1 6 7 30 19 c3 24 rg 26 21 22 1 2 3 4 23 25 c1 c2 dz1 dz2 20 g1 e1 r1 cn2 hic2 6 7 30 19 c6 24 26 21 22 1 2 3 4 23 25 c4 c5 dz3 dz4 20 g2 e2 r2 vin in1 in2 vd gnd nc nc rg
http://www.idc-com.co.jp application example input signal **open-collector(drain) type is not recommended. hc04 etc. 15v 5v cn3 cn1 hic1 6 7 + 30 19 c3 24 rg 26 21 22 1 2 3 4 23 25 + c1 c2 dz1 dz2 20 g1 e1 r1 cn2 hic2 6 7 + 30 19 c6 24 26 21 22 1 2 3 4 + 23 25 + c4 c5 dz3 dz4 20 r2 vin in1 in2 vd gnd rg g2 e2
http://www.idc-com.co.jp precation (1) confirmation of gate average current the maximum rating of output current capac ity per one circuit of the gate power supply built-in this product is 210ma. (*) therefore the gate average current must be less than 210ma. please calculate the gate average current by the following expression. idrive = (q1 lq2l ) x idrive : gate average current q1 : gate charge on plus bias (please read it from data sheet of igbt) q2 : gate charge on minus bias (please read it from data sheet of igbt) f : switching frequency (2) electric power setting of gate resistance at the time of the choice of gate resist ance, please choose the resistance which can permit the electric power by the following calculation. pd = idrive x 25 + margin pd : total allowable power loss of gate resistance idrive : gate average current 25 : total output voltage of gate power supply (*) please refer to derating curve of vla502 data sheet.
http://www.idc-com.co.jp part arrangement & size connector screw hole 3.5 60mm 120mm 3.75mm 3.75mm connector built in dc-dc converter type gate driver VLA502-01R gate resistor (this part is not installed at the time of shipment)
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