pde-3064-0 high-voltage monolithic ic ecn3064 ecn3064 is monolithic ic integrating 6 igbts. it can be applied to dc brushless motors and induction motors. functions * integrated charge pump circuit * free wheeling diodes are integrated * overcurrent protection circuit is integrated features * pwm control of upper and bottom arm igbts are possible by controlling outer microproc essor * 6 logic inputs are compatible with 5v cmos or lsttl outputs * upper and bottom arm igbts can operate in 20khz chopping frequency * for converted ac200 to 230 v power supplies clock gh1 gl vtr cr ut vt wt ub vb wb vcc vs2 cl c- c+ cb d2 d1 c1 c2 + + - - rs ctr rtr vb mu mv mw vcc(15v) vref vs top arm driver bottom arm driver pulse generator vb supply charge pump microprocessor motor vs1 gh2 c0 clock rs vref 0.5v latch + - filter 1us r s fig.1 block diagram
pde-3064-0 ecn3064 1. general (1) type ECN3064SP, ECN3064SPv,ECN3064SPr (2) application 3-phase dc brushless motor and induction motor (3) structure monolithic ic (4) package sp-23ta, sp-23tb, sp-23tr 2. maximum allowable ratings (ta=25 c) no. items symbols terminal ratings unit condition 1 output device breakdown voltage vsm vs1,vs2 mu,mv,mw 500 v 2 supply voltage vcc vcc 18 v 3 input voltage vin ut,vt,wt, ub,vb,wb -0.5 ~ vb+0.5 v 4 output current imdc mu,mv,mw 0.7 a 5 peak output current imp mu,mv,mw 1.5 a note 1 6 output current in start up and accelerating iom mu,mv,mw 1.5 a note 1 7 operating junction temperature tjop -20 ~ +125 c note 2 8 storage temperature tstg -40 ~ +150 c note 1. please note that aculmulated duty of a period exceeding 0.7a has to be less than 5% of total current flowing period. note 2. thermal resistance rj-c = 4 c /w rj-a = 40 c /w 3. recommended operating conditions no. items symbols terminal min typ max unit condition 1 supply voltage vs vs1,vs2 50 325 400 v 2 vcc vcc 13.5 15 16.5 v note 1. recommended safe operating area(soa) it is recommended that this ic is used within the soa as shown below where im and vm are the current and the voltage at the terminal of motor wiring at the change of phase (turn off). vm(v) 400 0 1.5 im (a) safe operating area
pde-3064-0 ecn3064 4. electrical characteristics (ta=25 c) unless otherwise specified, vcc=15v, vs=325v suffix t; top arm b; bottom arm no. items symbols terminal min typ max unit condition 1 standby current is vs1,vs2 - 0.5 1.5 ma ut,vt,wt,ub,vb, 2 icc vcc - 10 20 ma wb=0v 3 output device fvd vft mu,mv, mw - 2.2 3.0 v i=0.35a 4 vfb mu,mv, mw - 2.2 3.0 v i=0.35a 5 turn on tdont mu,mv, mw - 1.0 2.0 m s 6 delay time tdonb mu,mv, mw - 1.0 2.0 m s i=0.35a 7 turn off tdofft mu,mv, mw - 1.0 2.0 m s resistive load 8 delay time tdoffb mu,mv, mw - 1.0 2.0 m s 9 diode fvd vfdt mu,mv, mw - 2.2 2.8 v i=0.35a 10 vfdb mu,mv, mw - 2.4 3.0 v 11 input voltage vih ut,vt,w t, 3.5 - - v 12 vil ub,vb,w b - - 1.5 v 13 input current iih ut,vt,w t, ub,vb,w b - - 100 m a input=5v note 1 pull down resistance 14 vb output voltage vb cb 6.8 7.5 8.2 v 15 vb output current ib cb 25 - - ma deltavload=0.1v 16 reference voltage for overcurrent vref rs 0.45 0.5 0.55 v 17 lvsd output voltage lvsdon vcc,mu, 10.0 11.5 12.9 v note.2 18 lvsd recover voltage lvsdoff mv,mw 10.1 12.0 13.0 v 19 lvsd reset hysterisis vrh 0.1 0.5 0.9 v note 1. pull down resistance are typically 200 k w . note 2. lvsd : low voltage shut down
pde-3064-0 ecn3064 5. function 5.1 truth table terminal input output ut,vt,wt, l off ub,vb,wb h on ut,ub ut&ub=h off vt,vb vt&vb=h off wt,wb wt&wb=h off 5.2 timing chart ut vb ub wt vt wb top arm bottom arm mu output mv output mw output example of dc brushless motor drive 5.3 overcurrent limiting operation this ic detects overcurrent by outside resistance rs. when rs input voltage exceeds inner reference voltage vref(0.5v typical), this ic turns off the bottom output. after overcurrent detection, a reset operation is done at each inner clock signal period. in case of not using this function, please connect rs terminal to gl terminal. 5pf vref typ 220k w typ 200k w typ 300 w vb rs rs terminal inner equvalent circuit typ inner clock trigger latch s r
pde-3064-0 ecn3064 6. standard application component recommended value usage remark c0 more than 0.22 uf for inner power supply(vb). stress voltage is vb c1,c2 1.0 uf +/- 20% for charge pump stress voltage is vcc d1,d2 hitachi dfg1c6(glass mold type), dfm1f6 (resin mold type) or considerable parts for charge pump 600v/1.0a trr 100ns ctr 1800 pf +/- 5% for clock note 1. rtr 22 k-ohm +/- 5% for clock note 1. note 1. clock frequency is determined approximately by next equation. floating capacitance of pcb must be considered. at recommended value of cr, the error factor of ic is about 10%. fclock = -1 / (2c*r*ln(1-3.5/5.5)) ; ln is natural logarithm = 0.494 / (c*r) (hz) clock gh1 gl vtr cr ut vt wt ub vb wb vcc vs2 cl c- c+ cb d2 d1 c1 c2 + + - - rs ctr rtr vb mu mv mw vcc(15v) vref vs top arm driver bottom arm driver pulse generator vb supply charge pump microprocessor motor vs1 gh2 c0 clock rs vref 0.5v latch + - filter 1 m s r s
pde-3064-0 ecn3064 7. terminal (marking side) fig.2 pin assignment 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 mv vs1 mu gh1 ut vt ub vtr cr cb c+ cl gl mw vs2 gh2 vcc c- wb wt vb rs 8. package outline ECN3064SP ECN3064SPv ecn3064 spr (sp-23ta) (sp-23tb) (sp-23tr)
pde-3064-0 ecn3064 9. package dimensions (1) ECN3064SP (sp-23ta) ( unit:mm) (2) ECN3064SPv (sp-23tb)
pde-3064-0 ecn3064 (3) ECN3064SPr (sp-23tr) 0.3 23.97 0.6 1.8 typ 0.1 11.2 14.7max 1.23 0.25 3.6 4.1 0.3 (7.7) (9) 1.27 0.5 2.54 0.5 2.54 0.5 1.26 0.24 3.5 0.3 0.25 typ 4.9 0.5 2.2 0.3 12.3 0.5 7.1 0.5 0 +10 -0 0 +10 -0 f 3.6 0.2 0.2 0.5 0.2 20 28 0.3 (30) 31max 1 23 0.2 0. 3
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