standard circuit diagram external dimensions (unit: mm) features low output saturation voltage (high-side: 1.5v max.; low-side: 0.8v max.) built-in recovery diode built-in standby function built-in overcurrent and thermal protection circuits and low voltage input shutoff function built-in overload and disconnection detection function 2-ph stepper-motor driver ics SPF7211 58 1.0 10.5 0.3 +0.1 0.05 0.25 +0.15 0.05 fin thickness 2.5 0.2 17.28 0.2 7.5 0.2 2 0.2 15.58 0.2 1.27 0.25 24 11 2 13 0.4 +0.15 0.05 a b parameter symbol unit remarks ratings absolute maximum ratings recommended operation range electrical characteristics parameter symbol min typ max unit conditions ratings main power supply voltageinput voltage output current flag terminal withstand voltage flag terminal current detect voltage power dissipation junction temperature operating temperature storage temperature main power supply current low voltage protection operation voltage uvlo hysteresis voltageoutput leak current output saturation voltage recovery diode forward voltage input voltage input terminal hysteresis voltage ph terminal input current ixx, set terminals input current detect voltage oscillation frequency pwm frequency ct terminal threshold voltage ct terminal current overcurrent detection voltage open detection voltage flag terminal leak current flag terminal saturation voltage flag terminal current set terminal pulse rate pulse number ocp operation open operation i/o propagation time thermal protection temperature thermal protection hysteresis thermal alarm temperature thermal alarm hysteresis v bb v in io iopeak v flag i flag v rs p d tj top tstg 40 ?.3 to 15 0.8 1.0 73 ? to 2 4.1 39 150 ?0 to 110?0 to 150 i bb i bbs v uvlo v uvlohys ioleakl ioleakh vsatl vsath v f l v f h v f go v il v ih v ihys i il i ih i il i ih vrs fosc f pwm vctl vcth ictsink ictsouce vocpl vocph vocpl vocph vopen ileak flag v flag l i flag tpw tpws fclock pulse tocp1tocp2 tocp3 topen1topen2 tonh1 toffh1 tonh2 toffh2 tonl1 toffl1 tonl2 toffl2 tj ? tj talarm ? talarm in ordinary operation (no load) at sleepv bb = 40v, vo = 0v v bb = vo = 40v io = 0.5a io = 0.8a io = ?.5a io = ?.8a io = 0.5a io = ?.5a io = ?.5a vil = 0.8v vih = 2.0v ix0 = high, ix1 = high ix0 = low, ix1 = high ix0 = high, ix1 = low ct = 2200pf 20% ct = 2200pf 20% out voltageout voltage v bb = 5.5v v bb = 5.5v sence voltagev flag = 7 v i flag = 1 m a in ordinary operationat sleep ct = 2200pf in ordinary operation; ct = 2200pf at switching the phase when ixx shifts from l to h in ordinary operation when ixx shifts from l to h ma a vv a a vv v v v v v v v v a a a a mvmv mv khzkhz vv a a vv v v mv a v ma s s hz s s s s s s s s s s s s s c c c c 0.50.5 700450 7048 24 0.51.5 720 ?20 3.0 v bb ?.0 ?0 24 256 5.0 10.010.0 5.05.0 1.5 1.5 2.0 0.5 20 130 20 3.5 ?00 1.22.0 ?? ?0 660420 40 28.814.4 1.5 v bb ?.5 1.0 v bb ?.3 10 100 17 2.55.0 5.0 2.5 2.5 100100 100 100 150 120 5050 4.5 100 0.50.8 1.2 1.5 1.2 1.3 0.8 55 50 740480 9072 36 4.2 v bb ?.7 1.85 v bb ?.5 10 0.5 3 31 10.020.0 20.0 10.0 10.0 140 vv a v ma v w c c c v in v bb t w 1ms v flag v bb for ta = 25 c for tc (ttab) = 25 c note: * 1: the ct terminal threshold voltage and current are the design values. warranty is based on the oscillation frequency. * 2: thermal protection and alarm temperatures are design values. * 1 note: * 1: with glass epoxy + copper foil board (size 5.0 7.4cm; t: glass epoxy = 1.6mm /copper foil = 18 m) parameter symbol unit remarks ratings main power supply voltageinput voltage output current flag terminal withstand voltage flag terminal current detect voltage operating temperature v bb v in io v flag i flag v rs top 6 to 18 ?.3 to 7.0 0.5 0 to 7.00 to 1.0 ? to 1 ?0 to 110 vv a v ma v c v in v bb continuousv flag v bb * 1 * 2 pc (ecu) rs rs ct 2200pf + v bb =6 to 18v spm i20i21 ph2 fl1 gndgnd gnd gnd out2a rs2 fl2 out2b i10i11 ph1 ct set gnd gnd gnd out1a rs1 v bb out1b 1 12 13 24 rs 1 ? typ (1 to 2w) iom vrs/rs excitation signal time chart 2-phase excitation1 to 2-phase excitation clock 0 1 2 3 0 1 ph1 l h h l l h i10, i11 h h h h h h ph2 l l h h l l i20, i21 h h h h h h clock 0 1 2 3 4 5 6 7 0 1 2 3 ph1 l h h h h l l l l h h h i10, i11 h l h h h l h h h l h h ph2 l l l h h h h l l l l h i20, i21 h h h l h h h l h h h l * for the 1 to 2-phase excitation application, switch the ph signal in the step of 1-ph excitation (ixx turns from high to low). the open detection function is invalid except in this sequence. flag response time response pulse width a) part no.b) lot no. downloaded from: http:///
59 electrical characteristics 2-ph stepper-motor driver ics SPF7211 ?0 ?0 10 50 30 90 70 110 130 150 ?0 ?0 10 50 30 90 70 110 130 150 0 saturation voltage vsat (v) junction temperature (?) ?0 ?0 10 50 30 90 70 110 130 150 junction temperature (?) 0.80.6 0.4 0.2 1.2 1 0255075 100 125 150 0 power dissipation p d (w) ambient temperature ta (?) 2010 4030 0.5 forward voltage v f (v) junction temperature (?) 1.71.5 1.3 1.1 0.9 0.7 5549 5351 45 47 oscillation frequency f osc (khz) copper foil area (5.0 7.4mm, t=18 m) j-a 30.5 c/w infinite heatsink equivalent (tc=25 c) j-tab 3.2 c/w vsath vfgo vfh vfl vsatl f osc ct=2200pf vsat temperature characteristics (io=0.5a) diode v f characteristics (i f =0.5a) ta-p d characteristics osc temperature characteristics downloaded from: http:///
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