http://www.idc-com.co.jp page.1 igbt gate drive unit VLA536-01R apr.07,?09
http://www.idc-com.co.jp page.2 recommended igbt modules mitsubishi nx series igbt modules vces = 600v series ~ 400a class vces = 1200v series ~ 450a class feature >possible to mount on the igb t package (2 in 1 package) >built in the isolated dc- dc converter for gate drive >built in short circuit protection >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 outline drawing unit : mm
http://www.idc-com.co.jp page.3 block diagram control circuit constant voltage circuit amp vin in2 vd gnd in1 g1 e1 g2 e2 detect latch shut down f.o. timer c1 alarm 240 ohm 240 ohm 8.2v amp detect latch shut down f.o. timer constant voltage circuit 8.2v hic1 hic3 control circuit hic2 hic4 t1 t2 t1 t2
http://www.idc-com.co.jp page.4 v 50 between alarm ? gnd pin alarm pin voltage valm symbol parameter conditions ratings unit vd supply voltage dc 18 v vi input signal voltage applied between vin - in1,2 50% duty cycle, pulse width 1ms -1 ~ +7 v iohp gate peak current pulse width 2us -5 a iolp 5a viso isolation voltage sine wave voltage 60hz, for 1min 2500 vrms topr operating temperature no condensation allowable -20 ~ 70 deg c tstg storage temperature no condensation allowable -25 ~ 85 deg c ialm alarm pin output sink current - 10 ma idrive gate drive current gate average current (per one circuit) 83 ma symbol parameter conditions limits unit min typ max vd supply voltage recommended range 12 15 18 v vin pull-up voltage on input side recommended range 4.75 5 5.25 v iih input signal current recommended range 10 13 16 ma f switching frequency recommended range --20khz rg gate resistance recommended range 2- - ? ialm alarm output current recommended range --5 ma voh plus bias voltage - 14.5 16.0 17.5 v vol minus bias voltage - -9.0 -8.0 -7.0 v tplh ?l-h? propagation time iih = 13ma 0.2 0.45 0.8 us tphl ?h-l? propagation time iih = 13ma 0.2 0.4 0.7 us t_timer timer between start and clear (under input signal ?off?) 1 1.4 2 ms tdalm alarm delay time ialm=2.5ma - 6.5 10 us vsc sc detect collector voltage igbt collector voltage 15 - - v maximum ratings (unless otherwise noted, ta=25c) ( unless otherwise noted, ta=25c, vd=15v ) electrical characteristics
http://www.idc-com.co.jp page.5 parts list ( reference ) hic1,2 vla520-01r isahaya hic3,4 vla106-15252 isahaya dz1,2 30v, 500mw d1,2 rp1h sanken c1 ~ 6 100uf, 50v low inpedance c7,8 10pf ~ 50pf , 50v tdk fk28 type rg1,2 3w class cn1 b7b-xh-a jst cn2 b2b-xh-a jst inner circuit g1 3 rg1 e1 c1 c2 1 cn1 c3 dz1 d1 c1 c7 2 1 4 6 16 2 15 5 vin in2 hic3 hic1 in1 alarm gnd vd 14 13 g2 8 9 3 e2 c4 c5 1 c6 dz2 d2 c8 10 11 2 1 5 hic4 hic2 rg2 nc cn2 t1 t2 t1 t2 cn2 pin n.o. pin name 1t1 2t2 cn1 pinn.o. pin name 1vd 2gnd 3nc 4alarm 5in1 6in2 7vin *1) gate resistor is not installed at the time of shipment. please solder the chosen resistor. *2) c7,8 is not installed at the time of shipment. please solder the chosen condenser if needed. (rough guide 10 ~ 50pf , 50v, ceramic) 8 9 10 11 4 6 16 2 15 14 13
http://www.idc-com.co.jp page.6 application example hc04 etc. input signal 15v 5v 4.7k ? rc filter ~10us g1 8 9 3 rg1 e1 c1 c2 1 cn1 c3 dz1 d1 c1 c7 10 11 2 1 4 6 16 2 15 5 vin in2 hic3 hic1 in1 fo gnd vd 14 13 g2 8 9 3 e2 c4 c5 1 c6 dz2 d2 c8 10 11 2 1 4 6 16 2 15 5 hic4 hic2 14 13 rg2 nc cn2 t1 t2 t1 t2 igbt module VLA536-01R
http://www.idc-com.co.jp page.7 operation flow on detecting short circuit start detection of short circuit gate shutdown timer start output alarm input signal is off end of timer clear alarm enable output 1 ~ 2ms (1)in case the gate voltage is ?h? and the collector voltage is high, the gate driver will recognize the circuit as short circuit and immediately reduce the gate voltage.(slow shut down) besides, put out an alarm sign which inform that protection circuit is operating. (2)the protection circuit return to ordinary condition if input sign is off when the predete rmined time(1~2ms) passed. ( off period is need ed more than 40us.) soldering c/g/e/t pins screw to fix the pcb installation of th e pcb on igbt module
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