ŎŕŅijııĺŋ ․ ع㐳㧛 Features ٨ 2 ࡕ࠲㚟േ↪ ٨ Dual Stepper Motor Driver ٨ ቯ㔚ᵹᓮᯏ⢻㧔ࠝࡈᤨ㑆࿕ቯ㧕 ٨ Constant Current Control Function (Fixed Off Time) ٨ 㔚ᵹᷫࡕ࠼ಾᦧᯏ⢻㧔ࡑࠗࠢࡠࠬ࠹࠶ࡊ㚟േኻᔕ㧕 ٨ Current Decay Mode (Fast Decay or Slow Decay) 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 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 ⸥ภޓSymbol ቯᩰ୯ޓRating නޓUnit VCC 0㨪6 V VLOGIC 0 㨪 VCC V Vmm 35 V IOUT 1.2 A If 1.2 A PD 2.9 W Tstg -40 㨪 150 ͠ Tj 150 ͠ 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 1 ゲ㧔A+B or C+D㧕 Load Supply Current 1 Axis 㩿A+B or C+D㪀 Vmm ᶖ⾌㔚ᵹ 2 ゲ㧔A+B+C+D㧕 Load Supply Current 2 Axis 㩿A+B+C+D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 ᷹ቯ᧦ઙޓCondition min. typ. max. නޓUnit Imm (OFF)1 Vmm=24V, VENA=2.1V, No load - - 7 mA Imm (OFF)2 Vmm=24V, VENA=2.1V, No load - - 14 mA VCE 㩿SAT㪀㩷H IC=0.8A - 1.2 1.5 V VCE 㩿SAT㪀㩷L IC=0.8A - 0.7 1.0 V Vmm=35V - - 20 ǴA VFH If=0.8A - 1.3 1.6 V VFL If=0.8A - 1.3 1.5 V ICC (ON) VENA=̌L̍ - 95 135 mA ICC (OFF) VENA=̌H̍ - 36 52 mA VLOGICH 2.1 - VCC V VLOGICL GND - 0.8 V Ir Logic stage VCC ᶖ⾌㔚ᵹ㧔VCC1+VCC2㧕 Logic Supply Current 㩿VCC1+VCC2㪀 VCC ᶖ⾌㔚ᵹ㧔VCC1+VCC2㧕 Logic Supply Current 㩿VCC1+VCC2㪀 PHA/ENA/DEČH̍ജ㔚 PHA/ENA/DEČH̍Input Voltage PHA/ENA/DEČL̍ജ㔚 PHA/ENA/DEČL̍Input Voltage PHA/ENA/DEČH̍ജ㔚ᵹ PHA/ENA/DEČH̍Input Current PHA/ENA/DEČL̍ജ㔚ᵹ PHA/ENA/DEČL̍Input Current CR ల㔚㔚ᵹ CR Charge Current Vref ജ㔚 Vref Input Current Vref ജ㔚ᵹ Vref Input Current ࡉࡦࠠࡦࠣ࠲ࠗࡓ Blanking Time ㆊᾲ⼔േ᷷ᐲ Thermal Shutdown Temperature ĵĺ 㧔U170-1㧕 ILOGICH VLOGIC=̌H̍ - - 20 ǴA ILOGICL VLOGIC=̌L̍ - -100 -200 ǴA VCR=2V - 1 - mA - - 1.0 V ICR Vref Iref Vref=0V - -1 -10 ǴA tb Rt=30kǡ, Ct=1000pF - 2.14 - Ǵs - 150 - ͠ TTSD www.shindengen.co.jp/product/semi/ عၮᧄᔕ↪࿁〝㧛 Typical Application ࡦࡇ ع㈩⟎࿑㧛Pin Assignment Top View MTD2009J OUT B* Rs B OUT B Vmm B Vref B PHA B ENA B DEC B CR B Vcc OUT A* Rs A OUT A Vmm A Vref A PHA A ENA A DEC A CR A NC Vcc CR C DEC C ENA C PHA C Vref C Vmm C OUT C Rs C OUT C* NC CR D DEC D ENA D PHA D Vref D Vmm D OUT D Rs D OUT D* Package HSOP40 عផᅑ࿁〝ቯᢙ㧛 Recommended External Components Value ⸥ภޓSymbol ផᅑ୯ޓRecommendation Rs 0.68 නޓUnit ǡ Rt 30 kǡ Ct 1000 pF R1+R2 ҇ 10 kǡ ⌀ عℂ୯㧛 Truth Table ENA A or B or C or D PHA A or B or C or D OUT A or B or C or D OUT A*or B*or C* or D* L L L L H H H L H 㪁 OFF OFF 㪁: don't care DECAY Decay Mode Switching Transistor L Fast Both source and sink transistor H Slow Only source transistor عജ㔚ᵹ㧘ࡢࡦ࡚ࠪ࠶࠻ࠝࡈᤨ㑆㧘ࡉࡦࠠࡦࠣ࠲ࠗࡓߩ⸳ቯ㧛 Setting of Output Current, One Shot Off Time and Blanking Time ٤ ജ㔚ᵹ⸳ቯᑼ㧛 Output Current Setting lchop Vref 0.012 㪲A㪴 Rs Constant current waveform 㩿Motor current㪀 ٤ ࡢࡦ࡚ࠪ࠶࠻ࠝࡈᤨ㑆⸳ቯᑼ㧛 One Shot Off Time Setting Ichop toff = 1.163 × Ct × Rt 㪲㫊㪴 ٤ ࡉࡦࠠࡦࠣ࠲ࠗࡓ⸳ቯᑼ㧛 Blanking Time Setting Rt -⎞ ޓ ⎛ 1 – -----------⎜ ⎟ 1000 ޓޓޓޓ tb Ct × Rt ×ޓIn ⎜ ----------------------⎟ 㪲㫊㪴 Rt ⎜ 3 – -------------⎟ ⎝ 1000⎠ 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 4.75 㨪 5.25 V Vmm 5 㨪 31 V www.shindengen.co.jp/product/semi/ 㧔U170-1㧕 Ķı ご 注 意 1. ご採用に際しては、別途仕様書をご請求の上、ご確認をお願いいたします。 2. 本資料に記載されている当社製品の品質水準は、一般的な信頼度が要求される標準用途を意図しています。 その製品の故障や誤動作が直接生命や人体に影響を及ぼすような極めて高い品質、信頼度を要求される特 別、特定用途の機器、装置にご使用の場合には必ず事前に当社へご連絡の上、確認を得て下さい。 当社の 製品の品質水準は以下のように分類しております。 【標準用途】 コンピュータ、OA 等の事務機器、通信用端末機器、計測器、AV 機器、アミューズメント機器、家電、 工作機器、パーソナル機器、産業用機器等 【特別用途】 輸送機器（車載、船舶等）、基幹用通信機器、交通信号機器、防災/防犯機器、各種安全機器、医療 機器等 【特定用途】 原子力制御システム、航空機器、航空宇宙機器、海底中継機器、生命維持のための装置、システム 等 3. 当社は品質と信頼性の向上に絶えず努めていますが、必要に応じ、安全性を考慮した冗長設計、延焼防止 設計、誤動作防止設計等の手段により結果として人身事故、火災事故、社会的な損害等が防止できるようご 検討下さい。 4. 本資料に記載されている内容は、製品改良などのためお断りなしに変更することがありますのでご了承下さ い。製品のご購入に際しましては事前に当社または特約店へ最新の情報をご確認下さい。 5. 本資料の使用によって起因する損害または特許権その他権利の侵害に関しては、当社は一切その責任を負 いません。 6. 本資料によって第三者または当社の特許権その他権利の実施に対する保証または実施権の許諾を行うもの ではありません。 7. 本資料に記載されている製品が、外国為替及び外国貿易管理法に基づき規制されている場合、輸出には同 法に基づく日本国政府の輸出許可が必要です。 8. 本資料の一部または全部を当社に無断で転載または複製することを堅くお断りいたします。 Notes 1. 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