96 ics 1-2-1 2-phase stepper motor unipolar driver ics absolute maximum ratings parameter symbol ratings unit SLA7031M sla7032m sla7033m motor supply voltage v cc 46 v control supply voltage v s 46 v fet drain-source voltage v dss 100 v input voltage v in 0.3 to +7 v v sync 0.3 to + 7 reference voltage v ref 0.3 to + 7v sense voltage v rs 5 to + 7v output current i o 1 1.5 3 a power dissipation p d1 4.5(without heatsink) w p d2 35(t c =25 c )w channel temperature t ch + 150 c operating ambient temperature t a 20 to + 85 c storage temperature t stg 40 to + 150 c electrical characteristics ratings parameter symbol SLA7031M sla7032m sla7033m unit min. typ. max. min. typ. max. min. typ. max. control supply current i s 10 15 10 15 10 15 ma condition v s =44v v s =44v v s =44v control supply voltage v s 10 24 44 10 24 44 10 24 44 v fet drain-source voltage v dss 100 100 100 v condition v s =44v, i dss =250 av s =44v, i dss =250 av s =44v, i dss =250 a fet on voltage v ds 0.85 0.6 0.85 v condition i d =1a, v s =10v i d =1a, v s =14v i d =3a, v s =14v fet diode forward voltage v sd 1.2 1.1 2.3 v condition i sd =1a i sd =1a i sd =3a fet drain leakage current i dss 250 250 250 a condition v dss =100v, v s =44v v dss =100v, v s =44v v dss =100v, v s =44v v ih 2.0 2.0 2.0 condition i d =1a i d =1a i d =3a v v il 0.8 0.8 0.8 condition v dss =100v v dss =100v v dss =100v in terminal v ih 2.0 2.0 2.0 condition v dss =100v v dss =100v v dss =100v v v il 0.8 0.8 0.8 condition i d =1a i d =1a i d =3a i i 1 1 1 a condition v s =44v, v i =0 or 5v v s =44v, v i =0 or 5v v s =44v, v i =0 or 5v v sync 4.0 4.0 4.0 condition synchronous chopping mode synchronous chopping mode synchronous chopping mode v v sync 0.8 0.8 0.8 sync terminal condition asynchronous chopping mode asynchronous chopping mode asynchronous chopping mode i sync 0.1 0.1 0.1 condition v s =44v, v sync =5v v s =44v, v sync =5v v s =44v, v sync =5v ma i sync ?.1 ?.1 ?.1 condition v s =44v, v sync =0v v s =44v, v sync =0v v s =44v, v sync =0v v ref 0 2.0 0 2.0 0 2.0 condition reference voltage input reference voltage input reference voltage input v v ref 4.0 5.5 4.0 5.5 4.0 5.5 ref terminal condition output fet off output fet off output fet off i ref 1 1 1 a condition no synchronous trigger no synchronous trigger no synchronous trigger r ref 40 40 40 condition resistance between gnd and ref terminal at synchronous trigger resistance between gnd and ref terminal at synchronous trigger res istance between gnd and ref terminal at synchronous trigger ? sense voltage vr s v ref v ref v ref v t r 0.5 0.5 0.5 switching time t stg 0.7 0.7 0.7 s t f 0.1 0.1 0.1 condition v s =24v, i d =0.8a v s =24v, i d =1a v s =24v, i d =1a chopping off time t off 12 12 12 s condition v s =24v v s =24v v s =24v input voltage (active high) input voltage (active low) input current input voltage input current input current input current internal resistance (t a =25 c) parameter symbol ratings unit remarks min. max. motor supply voltage v m 44 v control supply voltage v s 10 44 v ref input voltage v ref 0.1 1.0 v the control current precision is degraded at 0.1v or lower. v ref(dis) 4.0 5.5 v output mos fet off case temperature t c 100 c t emperature of 4(15)-pin lead(without heatsink) recommended operating conditions 2-phase/1-2 phase excitation SLA7031M/sla7032m/sla7033m dc characteristics ac characteristics
97 ics SLA7031M/sla7032m/sla7033m 31 0.2 24.4 0.2 16.4 0.2 3.2 0.15 16 0.2 13 0.2 9.9 0.2 part no. lot no. 3.2 0.15 3.8 4.8 0.2 1.7 0.1 2.45 0.2 r-end 6.7 0.5 9.7 +1 ?.5 (3) 0.55 +0.2 ?.1 4 0.7 1 +0.2 ?.1 17 p1.68 0.4 =28.56 1 0.65 +0.2 ?.1 31.3 0.2 forming no. no.871 forming no. no.872 123 18 123 18 17 p1.68 0.4 =28.56 1 0.65 +0.2 ?.1 1 +0.2 ?.1 3 0.6 0.55 +0.2 ?.1 2.2 0.6 6 0.6 7.5 0.6 4.6 0.6 1.6 0.6 ....... ....... rs rs 9 6 5 17 16 7 2 13 818 active low 11 1 12 34 14 15 10 r1 r2 vb (5v) vcc (46vmax) rsa ga gb rsb r ef ar ef b out a SLA7031M sla7032m sla7033m vsa vsb out a in a in a in b in b out b out b in a in a in b in b + sync a sync b active low t ypical connection diagram (recommended component values) active high rs rs 9 6 5 17 16 7 2 13 818 active high 11 1 12 34 14 15 10 r1 r2 vb (5v) vcc (46vmax) rsa ga gb rsb r ef ar ef b out a SLA7031M sla7032m sla7033m vsa vsb out a in a in a in b in b out b out b in a in a in b in b + sync a sync b 1-2 phase excitation clock 0 1 2 3 4 5 6 7 0 1 2 3 in a hhl l lllhhhll in a lllhhhlllllh in b lhhhll lllhhh in b lllllhhhllll excitation signal time chart 2-phase excitation clock 0 1 2 3 0 1 in a hllhhl in a lhhllh in b hhl lhh in b llhhll excitation signal time chart 2-phase excitation clock 0 1 2 3 0 1 in a lhhllh in a hllhhl in b llhhll in b hhl lhh 1-2 phase excitation clock 0 1 2 3 4 5 6 7 0 1 2 3 in a llhhhh hlllhh in a hhhl l l hhhhhl in b hlllhhhhhlll in b h hhhhl l lhhhh external dimensions (zip18 with fin [sla18pin]) (unit : mm) + 924 314 15 13 10 in a in a in b in b vs a vs b rs a sync a sync b g a r ef a r ef b g b reg. reg. rs b + 5 67 17 8 1 16 11 18 12 synchronous chopping circuit synchronous chopping circuit mosfet gate drive circuit mosfet gate drive circuit oscillator oscillator chopping off timer (12 s typ) chopping off timer (12 s typ) chopping noise b lanking timer (5 s typ) chopping noise b lanking timer (5 s typ) 1,8,11,18pin description of pins excitation input signal active h out a out a out b out b 1pin 8pin 11pin 18pin active l out a out a out b out b internal block diagram r 1 :4k ? r 2 :1k ? (vr) r s :1 ? typ (7031m/7032m) 0.68 ? typ (7033m) (1 to 2w) r 1 :4k ? r 2 :1k ? (vr) r s :1 ? typ (7031m/7032m) 0.68 ? typ (7033m) (1 to 2w) product mass : approx.6g
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