Stepper Motor Driver IC MTD Series DMOS Dual Full-bridge PWM Stepper Motor Driver MTD2033G Features ●Dual full-bridge for a bipolar stepper motor ●Output current 1.5A , Output voltage 40V ●Constant current control（Fixed frequency PWM control) ●2-bit digital current selection ●Stand-by functuon ●Thermal shutdown with hysteresis ●Under voltage lock out function ●Surface mount package with heat sink(HSOP24) HSOP24 ■Absolute maximum ratings / Ta=25℃ Parameter Symbol Rating Unit Load supply Vmm 40 V Output current IOUT 1.5 A Logic supply Vcc 0∼7 V Logic input VLOGIC 0∼Vcc V Power dissipation *1 PD 2.1 W Storage temperature range Tstg -40∼150 ℃ Maximum Junction temperature Tj 150 ℃ *1 : 50.8×50.8×1mm3 Glass Epoxy Board(FR4),200mm2 Cupper Pattern ■Pin Assignment MTD2033G ENA A PHA A Vmm A OUT 1 Rs A OUT 2 1 2 3 4 5 6 TOP VIEW 24 23 22 21 20 19 PG OUT 3 Rs B OUT 4 Vmm B PHA B ENA B I1 Vr A Vr B OSC DEC LG PG 7 8 9 10 11 12 Shindengen Electric Mfg.Co.Ltd 18 17 16 15 14 13 Vcc CpC CpB CpA STB I0 W1002 Stepper Motor Driver IC MTD2033G ■Electrical Characteristics Ta=25℃ , Vcc=5V , Vmm=24V unless otherwise specified Parameter Symbol Condition MIN TYP MAX Unit ●Output stage Load supply current (All circuit OFF) Imm(OFF) VENA=all 5V or VI0=VI1=5V - 11 20 mA Load supply current (Stand-by) Imm(STB) Vmm=35V, VSTB=0V - - 100 μA Source driver ON resistance RONH Iout=-0.8A - 0.5 0.7 Ω Sink driver ON resistance RONL Iout=0.8A - 0.5 0.7 Ω Upper MOSFET leakage current IrH Vmm=35V, VOUT=0V - - 100 μA Lower MOSFET leakage current IrL VOUT=35V, VRS=0V - - 100 μA Upper MOSFET reverse voltage VFH IF=0.8A - 1.2 1.4 V Lower MOSFET reverse voltage VFL IF=0.8A VcpA under voltage lock out threshold VcpAUVLO - - 1.2 1.4 V Vmm+3 Vmm+4 Vmm+6 V ●LOgic stage Logic supply current (All circuit ON) Icc(ON) - - 5 10 mA Logic supply current (All circuit OFF) Icc(OFF) VENA=all 5V or VI0=VI1=5V - 5 10 mA Logic supply current (Stand-by) Icc(STB) VSTB=0V - - 6 mA Vcc under voltage lock out threshold VccUVLO - 3.6 3.8 4.0 V Logic "H" input voltage VLOGICH - 2.0 - Vcc V Logic "L" input voltage VLOGICL - GND - 0.7 V PHA/ENA/I0/I1/STB "H" input current IINH VIN=3.3 or 5V - - 10 μA PHA/ENA/I0/I1/STB "L" input current IINL VIN=0V - -20 -50 μA DEC "H" input voltage VDECH - 2.0 - Vcc V DEC "L" input voltage VDECL - GND - 0.7 V DEC "H" input current IDECH VDEC=3.3 or 5V - 50 200 μA DEC "L" input current IDECL VDEC=0V - - -10 μA OSC "H" input voltage VOSCH - 2.0 - Vcc V OSC "L" input voltage VOSCL - GND - 0.7 V OSC "H" input current IOSCH VOSC=3.3 or 5V - - 10 μA OSC "L" input current IOSCL VOSC=0V - -20 -50 μA Vr "H" input current IrefH Vr=5V - - 10 μA Vr "L" input current IrefL Vr=0V - -1 -10 μA Comparator Threshold (100%) Vs1 VI0="L", VI1="L" 95 100 105 % Comparator Threshold (70%) Vs2 VI0="H", VI1="L" 64 70 76 % Comparator Threshold (40%) Vs3 VI0="L", VI1="H" 36 40 44 % Comparator blanking tim tb - 1 2 3 μs CpA Charging tim *1 Tchg Cp1=0.47μF、Cp2=0.022μF - - 2 ms Thermal shutdown temperature *2 TTSD - 150 170 - ℃ *1:When Vcpa is higher than Vmm+6V, outputs can be turned on. Be sure to wait before moter drive so long than Tchg, when logic power supply powered on or Stand-By release. *2:Shutdown tempereture is assured by design. ■Thermal resistance *3 : Symbol Rating Unit θja *3 58 ℃/W 50.8×50.8×1mm3 Glass Epoxy Board(FR4),200mm2 Cupper Pattern Shindengen Electric Mfg.Co.Ltd W1002 Stepper Motor Driver IC MTD2033G ■Recommended operation conditions Parameter Symbol Recommendation Unit Junction temperature Tj -25∼120 ℃ Logic supply Vcc 4.75∼5.50 V Load supply Vmm 15∼35 V Reference voltage Vr 0∼6 V 16∼150 kHz OUT 1 or 4 H L OFF OFF OUT 2 or 3 L H OFF OFF OSC frequency f OSC ■Truth table I0 and I1 L L × H ENA A or B L L H × PHA A or B H L × × I0 I1 Current Level (％) L H L H L L H H 100 70 40 0 STB Mode H or OPEN L ACTIVE Stand-By DEC Current Decay Mode H L or OPEN Mix Decay Slow Decay Shindengen Electric Mfg.Co.Ltd ×：don't care W1002 Stepper Motor Driver IC MTD2033G ■Typical Application Cp1 Vcc Vmm Cvcc Cp2 Cvmm S.M TSD Vcc Vmm A UVLO OUT 1 OUT 2 OUT 3 CpA Vmm B OUT 4 CpB CpC Charge Pump Standby STB Decay GATE CIRCUIT ENA A Y A R UrR PoA C E T A G PHA B PHA A GATE CIRCUIT Y A R UrR PoA C E T A G Standby ENA B Decay Vcc VrA + R Current Sensor Current Sensor + R OSC Mix Decay% selection Vref Ichop ＝ 10Rs ●Chopping frequency RsB LG Tab Rs ●Constant chopping current level PG RsA VrB 2-bit digital current selection Decay DEC Q S S countor r o t a l l i c s O Q I1 Rs I0 CPU or GATE ARRAY ●Recommended component values Symbol Recommended value Unit Cp1 0.47 μF Cp2 0.022 μF Cvmm *1 47 μF Cvcc 1 μF *1： It recommend the electrolytic capacitor fchop = fosc Shindengen Electric Mfg.Co.Ltd for the noise absorption connect near IC to Load supply. W1002 Stepper Motor Driver IC MTD2033G ■Outline Drawing (Unit : mm) Shindengen Electric Mfg.Co.Ltd W1002 Stepper Motor Driver IC ! ! MTD2033G Although we are constantly making every effort to improve the quality and reliability of our products, there nevertheless remains a certain probability that the semiconductor products may occasionally fail or malfunction. Please take careful precautions against product failures or malfunctions to avoid any injuries, fire accidents or social loss by implementing safety designs such as redundancy designs, designs for fi re spread prevention, and designs for preventing malfunctions. Our semiconductor products listed in this document are not designed or manufactured to be used in devices or systems requiring extremely high levels of quality and reliability, or the failure or malfunction of which may directly threaten human lives or cause injury. 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However, our company takes no responsibility for any injury or damage incurred when using the IC products as described in this manual. Neither do we take any responsibility for issues arising from infringement of patent or other rights caused by using this manual. ● The provision of this manual does not guarantee the right to use any third party's patent or other rights, or grant permission to use the patent or other rights of our company. ● No part of this manual may be reproduced or copied without the specific written consent of Shindengen Electric Mfg. Co., Ltd. Shindengen Electric Mfg.Co.Ltd W1002