98 ics STA7130MPR/7131mpr/7132mpr absolute maximum ratings parameter symbol ratings unit remarks motor supply voltage v m 46 v driver supply voltage v bb 46 v output current io *1 a mode f logic input voltage v in ?.3 to +6 v ref input voltage v ref ?.3 to +6 v sense voltage v rs 0.5 v excluding tw<1 s power dissipation pd 3.5 w when t a = 25 c 12.5 when t c = 25 c junction temperature t j +150 c operating ambient temperature t a ?0 to +80 c storage temperature t stg ?0 to +150 c features lineup of built-in current sense resistor and built-in protection circuit-type power supply voltages, v bb : 46 v (max), 10 to 44 v normal operating range maximum output currents: 1 a, 1.5 a, and 2 a supporting the clock-input-method micro-step drive (built-in sequencer) self-excitation pwm current control with fixed off time synchronous pwm chopping function prevents motor noise in hold mode sleep mode for reducing the ic input current in stand-by state zip type 18-pin molded package (sta package) *1: output current value may be limited for the STA7130MPR (1.0 a), 7131mpr (1.5 a), and 7132mpr (2.0 a), depending on the duty ratio, ambient temperature, and heating conditions. do not exceed junction temperature of t j under any circumstances. recommended operating conditions parameter motor supply voltage driver supply voltage case temperature symbol v m v bb t c unit v v c rating min. max. 44 10 44 85 remarks t emperature at pin-10 lead (without fin) parameter symbol unit ratings min. max. typ. conditions 10 3 0.85 0.4 0.24 1.1 1.2 2.1 0.7 0.9 5.5 v ref /3+0.03 0.75 0.8 5 i bb i bbs v (br)dss r ds(on) v f fclock v il v ih i il i ih v ref v refs i ref v sense t se t con t coff r s v ocp i ocp t tsd v lol i lol modef modee modec modea mode8 mode6 mode4 mode2 ton(min) toff1 toff2 toff3 main supply current output mosfet breakdown voltage output mosfet on resistance output mosfet diode forward voltage maximum clock frequency logic input voltage logic input current ref input voltage ref input current sense voltage sleep-enable recovery time switching time sense resistance overcurrent sense voltage overcurrent sense current vocp rs thermal protection temperature logic output voltage logic output current step reference current ratio pwm minimum on time pwm off time 100 250 2.3 0 2.0 v ref /3-0.03 100 0.65 0.7 0.25 0.18 0.85 0.95 0.95 10 10 10 v ref /3 1.4 0.7 0.305 0.205 0.155 0.7 2.3 3.5 4.5 125 100 98.1 92.4 83.1 70.7 55.5 38.2 19.5 1.5 11.5 8.5 7 in operation sleep 1 and sleep 2 modes STA7130MPR sta7131mpr sta7132mpr STA7130MPR sta7131mpr sta7132mpr when clock duty = 50% output off (sleep 1) when step reference current ratio is 100% sleep1&sleep2 clock out on clock out off STA7130MPR sta7131mpr sta7132mpr when motor coil shorts out STA7130MPR sta7131mpr sta7132mpr rear of case (at the saturation temperature) i lol =5ma v lol =0.8v vref=0.1v to 0.9v mode 8 to f mode 4 to 6 mode 2 ma ma v ? v khz v a v a v s s s ? v a c v ma % % % % % % % % s s s s electrical characteristics 2-phase to 2w 1-2 phase excitation support, built-in sequencer 1-2-1 2-phase stepper motor unipolar driver ics (t a =25 c) (v dd =5v, v bb =24v, t a =25 c, unless otherwise specified) 5 i f e j s f d u j p o j o x i j d i d v s s f o u g m p x t p v u p g u i f e f w j d f j t s f h b s e f e b t o f h b u j w f
99 ics pin assignment internal block diagram t ypical connection diagram external dimensions (zip18 with fin [sta18pin]) pin no. symbol function outa outa/ sensea m o m1 m2 sleep2 clock v bb gnd ref/sleep1 reset cw/ccw sync flag senseb outb/ outb phase a output phase a output phase a current sense 2 phase excitation state output monitor output excitation mode setting input sleep 2 setting input step clock input driver supply (motor supply) device gnd control current mode/sleep 1 setting input internal logic reset input normal/reverse control input pwm control signal input coil open/shorted detection output phase b current sense phase b output phase b output STA7130MPR/7131mpr/7132mpr product mass : approx.6g forming no. no.434 mic sequencer & sleep circuit dac dsc dsc dac tsd pre- driver protect protect pre- driver pwm control comp comp pwm control synchro control sync gnd 10 16 18 17 9 12 8 13 7 6 5 4 15 11 2 1 3 14 1/3 1/3 rs rs reg. - + - + senseb sensea outb v bb reset clock cw/ccw ref/sleep1 outa sleep2 m2 m1 m 0 flag outb v dd =3.0v to 5.5v v s =10v to 44v cb r11 r4 to r9 r2 r3 c2 logic gnd pow er gnd r1 q1 c1 ca + reset clock cw/cow m1 m2 sleep2 sync mo flag ref/sleep1 outa sersea sense one-point gnd STA7130MPR series gnd outa vbb sleep r10 micro- computer, etc. + outb outb 25.25 0.3 c1.5 0.5 r-end 4 0.2 0.45 +0.2 ?.1 0.55 +0.2 ?.1 1.3 0.1 (measured at the root) 2.54 0.5 (measured at the tip) 17xp1.27 0.5=21.59 1 (measured at the tip) 25.55 (including the resin burr) 9 0.2 (6.9) 3.3 0.5 (3.6) (1) (4?1) (unit : mm)
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