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| Features Constant Current Control Function (Fixed Frequency PWM Control) 2bit W1-2 2-Bit Degital Current Selection (Can Operate Quarter Step Operation) Automatic Current Decay Function Noise Cancellation Function Cross Conduction Protection Thermal Shutdown Function Built-in Flywheel and Flyback Diodes Absolute Maximum Ratings Ta=25 Parameter Logic Supply Voltage Logic Input Voltage Vref Vref Input Voltage Load Supply Voltage Output Current Flywheel Diode Current Power Dissipation Storage Temperature Junction Temperature Symbol VCC VPHA/I0/I1 Vref Vmm IOUT If PD Tstg Tj -40 0 0 0 Rating 6 VCC VCC 50 1.0 1.0 3 150 150 V V V V A A W Ta=25 unless otherwise specified Unit U170-1 www.shindengen.co.jp/product/semi/ Electrical Characteristics Ta=25 Parameter Symbol Condition ,VCC=5V min. Ta=25 ,VCC=5V unless otherwise specified typ. max. Unit Output stage Vmm 2 OFF Load Supply Current 2 Circuit OFF Output Saturation Voltage Upper side Output Saturation Voltage Lower side Output Leakage Current Diode Forward Drop Upper side Diode Forward Drop Lower side Imm (OFF) VCE VCE SAT Vmm=45V, VI0/I1=5V IC=0.8A IC=0.8A Vmm=50V If=0.8A If=0.8A - 1.3 1.2 1.4 1.3 10 1.5 1.4 10 1.6 1.5 mA V V A V V H L SAT Ir VFH VFL Logic stage VCC 2 ON Logic Supply Current 2 Circuit ON VCC 2 OFF Logic Supply Current 2 Circuit OFF PHASE H PHASE H Input Voltage PHASE L PHASE L Input Voltage PHASE H PHASE H Input Current PHASE L PHASE L Input Current I0,I1 H I0,I1 H Input Voltage I0,I1 L I0,I1 L Input Voltage I0,I1 H I0,I1 H Input Current I0,I1 L I0,I1 L Input Current Vref Vref Input Current Vs Vs Input Current Comp 100 Comparator Threshold 100% Comp 70 Comparator Threshold 70% Comp 40 Comparator Threshold 40% Chopping Frequency Blanking Time Thermal Shutdown Temperature ICC (ON) ICC (OFF) VPHAH VPHAL IPHAH IPHAL VI0/I1H VI0/I1L II0/I1H II0/I1L Iref Is Vs1 Vs2 Vs3 fchop tb TTSD VI0/I1=5V VI0/I1=0V Vref=0V Vs=0V Vref=5V, I0=L, I1=L Vref=5V, I0=H, I1=L Vref=5V, I0=L, I1=H Ct=4700pF,Rt=13k Ct=4700pF VPHA=5V VPHA=0V VI0/I1=5V 2.3 GND 2.3 GND 0.475 0.322 0.180 35 30 -1.0 -2.0 -1.0 -1.0 0.500 0.350 0.200 22 2.2 150 47 42 VCC 0.8 10.0 -10.0 VCC 0.8 10.0 -10.0 -10.0 -10.0 0.525 0.378 0.220 mA mA V V A A V V A A A A V V V kHz s www.shindengen.co.jp/product/semi/ U170-1 Typical Application OUT 1 OUT 2 OUT 4 OUT 3 Recommended External Components Value Symbol Rs Rt Ct R1+R2 Recommendation 0.68 13 4700 10 k pF k Unit Recommended Operating Conditions Ta=25 Parameter Junction Temperature Logic Supply Voltage Load Supply Voltage Symbol Tj VCC Vmm Ta=25 unless otherwise specified Unit Recommendation -25 4.5 8 120 5.5 45 V V Setting of Output Current and Chopping Frequency Output Current Setting Vref lchop 10 x Rs Chopping Frequency Setting 1 fchop Hz 0.75 x Ct x Rt T=1/fchop Ichop Constant current waveform Motor current U170-1 www.shindengen.co.jp/product/semi/ 3/4 NC Vmm A OUT 1 NC Rs A NC OUT 2 Pin Assignment Vcc PHASE A I0 A I1 A Vs A Vref A LG PHASE A or B L H Truth Table OUT 1 or 4 L H OUT 2 or 3 H L Top View MTD2007F GND GND I0 A or B L I1 A or B L L H H Outpu current level % 100 70 40 0 Vs V at Vref=5V 0.50 r 5% 0.35 r 8% 0.20 r 10% - OUT 3 NC Rs B NC OUT 4 Vmm B NC Package HSOP28 CR Vref B Vs B I1 B I0 B PHASE B Vcc H L H MODE W1-2 SLOW DECAY MODE FAST DECAY MODE AUTO DECAY MODE www.shindengen.co.jp/product/semi/ U170-1 |
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