ŎŕŅijııĸŇ ․ ع㐳㧛 Features ٨ ቯ㔚ᵹᓮᯏ⢻㧔ᵄᢙ࿕ቯઁޔബᑼ㧕 ٨ Constant Current Control Function (Fixed Frequency PWM Control) ٨ 2bit ቯ㔚ᵹࡌ࡞ಾᦧน⢻㧔㨪 W1-2 ⋧ബ⏛ኻᔕ㧕 ٨ 2-Bit Degital Current Selection (Can Operate Quarter Step Operation) ٨ ⥄േᷫಾᦧᯏ⢻ ٨ Automatic Current Decay Function ٨ ࡁࠗ࠭ࠠࡖࡦ࡞ᯏ⢻ ٨ Noise Cancellation Function ٨ ⽾ㅢ㔚ᵹ㒐ᱛᯏ⢻ ٨ Cross Conduction Protection ٨ ㆊᾲ⼔ᯏ⢻ ٨ Thermal Shutdown Function ٨ ㅒ㔚ജๆ࠳ࠗࠝ࠼ౝ⬿ ٨ Built-in Flywheel and Flyback Diodes ⛘ عኻᦨᄢቯᩰ㧛 Absolute Maximum Ratings ․ߦᜰቯߥ߈႐วߪTa=25͠㧛Ta=25͠ unless otherwise specified 㗄ޓޓ⋡ޓParameter ࡠࠫ࠶ࠢ㔚Ḯ㔚 Logic Supply Voltage ࡠࠫ࠶ࠢജ㔚 Logic Input Voltage Vref ജ㔚 Vref Input Voltage ࡕ࠲㔚Ḯ㔚 Load Supply Voltage ജ㔚ᵹ Output Current ࡈࠗࡎࠗ࡞࠳ࠗࠝ࠼㔚ᵹ Flywheel Diode Current ⸵ኈ៊ᄬ Power Dissipation ሽ᷷ᐲ Storage Temperature ធวㇱ᷷ᐲ Junction Temperature ĵĶ 㧔U170-1㧕 ⸥ภޓSymbol ቯᩰ୯ޓRating නޓUnit VCC 0㨪6 V VPHA/I0/I1 0 㨪 VCC V Vref 0 㨪 VCC V Vmm 50 V IOUT 1.0 A If 1.0 A PD 3 W Tstg -40 㨪 150 ͠ Tj 150 ͠ www.shindengen.co.jp/product/semi/ ع㔚᳇⊛․ᕈ㧛 Electrical Characteristics ․ߦᜰቯߥ߈႐วߪTa=25͠,VCC=5V㧛Ta=25͠,VCC=5V unless otherwise specified 㗄ޓޓ⋡ޓParameter Output stage Vmm ᶖ⾌㔚ᵹ㧔2 ࿁〝 OFF ᤨ㧕 Load Supply Current 㩿2 Circuit OFF㪀 ജ㘻㔚 Output Saturation Voltage 㩿Upper side㪀 ਅജ㘻㔚 Output Saturation Voltage 㩿Lower side㪀 ജࠢ㔚ᵹ Output Leakage Current ࠳ࠗࠝ࠼㗅㔚 Diode Forward Drop 㩿Upper side㪀 ਅ࠳ࠗࠝ࠼㗅㔚 Diode Forward Drop 㩿Lower side㪀 ⸥ภޓSymbol min. typ. max. නޓUnit Vmm=45V, VI0/I1=5V - - 10 mA VCE 㩿SAT㪀㩷H IC=0.8A - 1.3 1.5 V VCE 㩿SAT㪀㩷L IC=0.8A - 1.2 1.4 V Vmm=50V - - 10 ǴA V FH If=0.8A - 1.4 1.6 V VFL If=0.8A - 1.3 1.5 V - 35 47 mA - 30 42 mA VPHAH 2.3 - VCC V VPHAL GND - 0.8 V Imm (OFF) Ir ᷹ቯ᧦ઙޓCondition Logic stage VCC ᶖ⾌㔚ᵹ㧔2 ࿁〝 ON ᤨ㧕 Logic Supply Current 㩿2 Circuit ON㪀 VCC ᶖ⾌㔚ᵹ㧔2 ࿁〝 OFF ᤨ㧕 Logic Supply Current 㩿2 Circuit OFF㪀 PHASĚH̍ജ㔚 PHASĚH̍Input Voltage PHASĚL̍ജ㔚 PHASĚL̍Input Voltage PHASĚH̍ജ㔚ᵹ PHASĚH̍Input Current PHASĚL̍ജ㔚ᵹ PHASĚL̍Input Current I0,I1̌H̍ജ㔚 I0,I1̌H̍Input Voltage I0,I1̌L̍ജ㔚 I0,I1̌L̍Input Voltage I0,I1̌H̍ജ㔚ᵹ I0,I1̌H̍Input Current I0,I1̌L̍ജ㔚ᵹ I0,I1̌L̍Input Current Vref ജ㔚ᵹ Vref Input Current Vs ജ㔚ᵹ Vs Input Current Comp ࠬ࠶ࠪࡘࡎ࡞࠼㧔100㧑㧕 Comparator Threshold 㩿100%㪀 Comp ࠬ࠶ࠪࡘࡎ࡞࠼㧔70㧑㧕 Comparator Threshold 㩿70%㪀 Comp ࠬ࠶ࠪࡘࡎ࡞࠼㧔40㧑㧕 Comparator Threshold 㩿40%㪀 ࠴࡚࠶ࡇࡦࠣᵄᢙ Chopping Frequency ࡉࡦࠠࡦࠣ࠲ࠗࡓ Blanking Time ㆊᾲ⼔േ᷷ᐲ Thermal Shutdown Temperature ICC (ON) ICC (OFF) VI0/I1=5V IPHAH VPHA=5V - - 10.0 ǴA IPHAL VPHA=0V - -1.0 -10.0 ǴA VI0/I1H 2.3 - VCC V VI0/I1L GND - 0.8 V II0/I1H VI0/I1=5V - - 10.0 ǴA II0/I1L VI0/I1=0V - -2.0 -10.0 ǴA Iref Vref=0V - -1.0 -10.0 ǴA Is Vs=0V - -1.0 -10.0 ǴA Vs1 Vref=5V, I0=L, I1=L 0.475 0.500 0.525 V Vs2 Vref=5V, I0=H, I1=L 0.322 0.350 0.378 V Vs3 Vref=5V, I0=L, I1=H 0.180 0.200 0.220 V fchop Ct=4700pF,Rt=13kǡ - 22 - kHz Ct=4700pF - 2.2 - Ǵs - 150 - ͠ tb TTSD www.shindengen.co.jp/product/semi/ 㧔U170-1㧕 ĵķ ŎŕŅijııĸŇ عၮᧄᔕ↪࿁〝㧛 Typical Application OUT 1 OUT 2 OUT 4 OUT 3 عផᅑ࿁〝ቯᢙ㧛 Recommended External Components Value ⸥ภޓSymbol ផᅑ୯ޓRecommendation නޓUnit Rs 0.68 ǡ Rt 13 kǡ Ct 4700 pF R1+R2 ҇ 10 kǡ عផᅑേ᧦ઙ㧛 Recommended Operating Conditions ․ߦᜰቯߥ߈႐วߪTa=25͠㧛Ta=25͠ unless otherwise specified 㗄⋡ޓParameter ធวㇱ᷷ᐲ Junction Temperature ࡠࠫ࠶ࠢ㔚Ḯ㔚 Logic Supply Voltage ࡕ࠲㔚Ḯ㔚 Load Supply Voltage ⸥ภޓSymbol ផᅑ୯ޓRecommendation නޓUnit Tj -25 㨪 120 ͠ VCC 4.5 㨪 5.5 V Vmm 8 㨪 45 V عജ㔚ᵹ㧘࠴࡚࠶ࡇࡦࠣᵄᢙߩ⸳ቯ㧛 Setting of Output Current and Chopping Frequency ٤ ജ㔚ᵹ⸳ቯᑼ㧛 Output Current Setting 㩷㪲㪘㪴 lchop Vref 10 × Rs Constant current waveform 㩿Motor current㪀 ٤ ࠴࡚࠶ࡇࡦࠣᵄᢙ⸳ቯᑼ㧛 Chopping Frequency Setting fchop 1 㪲Hz㪴 0.75 × Ct × Rt ĵĸ 㧔U170-1㧕 www.shindengen.co.jp/product/semi/ T=1/fchop Ichop ࡦࡇ ع㈩⟎࿑㧛 Pin Assignment ⌀ عℂ୯㧛 Truth Table Top View MTD2007F NC Vmm A OUT 1 NC Rs A NC OUT 2 Vcc PHASE A I0 A I1 A Vs A Vref A LG GND GND OUT 3 NC Rs B NC OUT 4 Vmm B NC CR Vref B Vs B I1 B I0 B PHASE B Vcc PHASE A or B OUT 1 or 4 OUT 2 or 3 L L H H H L I0 A or B I1 A or B Outpu current level㩿%㪀 Vs㩿V㪀 㩿at Vref=5V㪀 L L 100 0.50 r 5% H L 70 0.35 r 8% L H 40 0.20 r 10% H H 0 - Package HSOP28 عMODE ࡕ࠲㔚ᵹᵄᒻ㧔W1-2 ⋧ബ⏛㧕 ਲြ͈ߐ൲༷ ٨ SLOW DECAY MODE ٨ FAST DECAY MODE ŎŕŅijııĸŇ ͈ાࣣ ٨ AUTO DECAY MODE www.shindengen.co.jp/product/semi/ 㧔U170-1㧕 ĵĹ