90 ics 1-2-1 2-phase stepper motor unipolar driver ics parameter symbol ratings unit sla7022mu sla7029m sma7022mu sma7029m motor supply voltage v cc 46 v fet drain-source voltage v dss 100 v control supply voltage v s 46 v ttl input voltage v in 7v reference voltage v ref 2v output current i o 1 1.5 1 1.5 a power dissipation p d1 4.5 (without heatsink) 4.0 (without heatsink) w p d2 35 (t c =25 c) 28 (t c =25 c) w channel temperature t ch +150 c storage temperature t stg ?0 to +150 c absolute maximum ratings (t a =25 c) ratings parameter symbol sla7022mu sla7029m sma7022mu sma7029m unit min. typ. max. min. typ. max. min. typ. max. min. typ. max. control supply current i s 10 15 10 15 10 15 10 15 ma condition v s =44v v s =44v v s =44v v s =44v control supply voltage v s 10 24 44 10 24 44 10 24 44 10 24 44 v fet drain-source voltage v dss 100 100 100 100 v condition v s =44v, i dss =250 av 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 0.6 v condition i d =1a, v s =14v i d =1a, v s =14v i d =1a, v s =14v i d =1a, v s =14v fet drain leakage current i dss 4444 ma condition v dss =100v, v s =44v v dss =100v, v s =44v v dss =100v, v s =44v v dss =100v, v s =44v fet diode forward voltage v sd 1.2 1.1 1.2 1.1 v condition i d =1a i d =1a i d =1a i d =1a i ih 40 40 40 40 a ttl input current condition v ih =2.4v, v s =44v v ih =2.4v, v s =44v v ih =2.4v, v s =44v v ih =2.4v, v s =44v i il ?.8 ?.8 ?.8 ?.8 ma condition v il =0.4v, v s =44v v il =0.4v, v s =44v v il =0.4v, v s =44v v il =0.4v, v s =44v v ih 22 22 ttl input voltage (active high) condition i d =1a i d =1a i d =1a i d =1a v v il 0.8 0.8 0.8 0.8 condition v dss =100v v dss =100v v dss =100v v dss =100v v ih 22 22 ttl input voltage (active low) condition v dss =100v v dss =100v v dss =100v v dss =100v v v il 0.8 0.8 0.8 0.8 condition i d =1a i d =1a i d =1a i d =1a t r 0.5 0.5 0.5 0.5 condition v s =24v, i d =0.8a v s =24v, i d =1a v s =24v, i d =0.8a v s =24v, i d =1a switching time t stg 0.7 0.7 0.7 0.7 s condition v s =24v, i d =0.8a v s =24v, i d =1a v s =24v, i d =0.8a v s =24v, i d =1a t f 0.1 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 =0.8a v s =24v, i d =1a electrical characteristics (t a =25 c) 2-phase excitation sla7022mu/sla7029m/sma7022mu/sma7029m dc characteristics ac characteristics
91 ics sla7022mu/sla7029m/sma7022mu/sma7029m internal block diagram t ypical connection diagram (recommended component values) 6 reg reg 15 8 v s 14 in b in a 7 r sa 234 121 311 t da ref a gnd a gnd b ref b t db r sb 9 10 15 + + + + 8161015 v s r sa ref a ref b r sb g a g b 7313 94 12 c 4 r 6 r 5 r 2 r 1 r 4 r 3 c 1 c 2 t da t db in a in b in a in b 5 14 + v cc (46v max) v b (5v) rs rs c 3 11 2 open collector t da t db excitation signal time chart 2-phase excitation clock 012301 in a hhl lhh in b lhhllh 1-2 phase excitation clock 0 1 2 3 4 5 6 7 0 1 2 3 in a hhh h l l llhhh h td a ll lhl l lhl ll h in b llhh hh llllh h td b lh l l l h lllhl l tda and tdb are signals before the inverter stage. r1 : 510 ? c1 : 330 to 500pf r2 : 100 ? (vr) c2 : 330 to 500pf r3 : 47k ? c3 : 2200pf r4 : 47k ? c4 : 2200pf r5 : 2.4k ? rs : 1.8 ? typ (7022mu) r6 : 2.4k ? 1 ? typ (7029m) (1~2w) 1, 6, 10, 15pin description of pins excitation input signal active h out a out a out b out b 1pin 6pin 10pin 15pin active l out a out a out b out b external dimensions (zip15 with fin [sla15pin] /zip15[sma15pin]) 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 1.15 +0.2 ?.1 14 p2.03 0.7 =28.42 1.0 0.65 +0.2 ?.1 31.3 0.2 forming no. no.853 123 ....... 15 123 ....... 15 forming no. no.855 14 p2.03 0.4 =28.42 0.8 0.65 +0.2 ?.1 3 0.6 0.55 +0.2 ?.1 2.2 0.4 6.3 0.6 7.5 0.6 4.6 0.6 1.6 0.6 epoxy resin package 1.15 +0.2 ?.1 (unit:mm) sla7022mu/sla7029m sma7022mu/sma7029ma 31 0.2 part no. lot no. 4 0.2 2.5 0.2 1.45 0.15 6.7 0.5 (9.7) (3) 0.55 +0.2 ?.1 4 0.7 p2.03 0.1 14=28.42 0.65 +0.2 ?.1 forming no. no.1054 123 15 123 15 forming no. no.1055 p2.03 0.1 14=28.42 1.16 0.15 3 0.6 0.55 +0.2 ?.1 1.2 0.1 (5.9) (4.6) 1.6 0.6 1.16 +0.2 ?.1 30 0.62 0.1 (7.5) epoxy resin package 8.5ma x 10.2 0.2 31.3 +0.2 ....... ....... product mass : approx.6g product mass : approx.4g
|
