MTD2033G

Stepper Motor Driver IC MTD Series MTD2033G Features DMOS Dual Full-bridge PWM Stepper Motor Driver ●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 Load supply Output current Logic supply Logic input Power dissipation *1 Storage temperature range Maximum Junction temperature *1 : 50.8×50.8×1mm3 Glass Epoxy Symbol Vmm IOUT Vcc VLOGIC PD Tstg Tj Rating 40 1.5 0∼7 0∼Vcc 2.1 -40∼150 150 Unit V A V V W ℃ ℃ Cupper Pattern Board(FR4),200mm2 ■Pin Assignment MTD2033G ENA A PHA A Vmm A OUT 1 Rs A OUT 2 PG OUT 3 Rs B OUT 4 Vmm B PHA B ENA B 7 8 9 10 11 12 18 17 16 15 14 13 1 2 3 4 5 6 TOP VIEW 24 23 22 21 20 19 I1 Vr A Vr B OSC DEC LG PG Vcc CpC CpB CpA STB I0 Shindengen Electric Mfg.Co.Ltd W1002 Stepper Motor Driver IC MTD2033G ■Electrical Characteristics Parameter ●Output stage Load supply current (All circuit OFF) Load supply current (Stand-by) Source driver ON resistance Sink driver ON resistance Upper MOSFET leakage current Lower MOSFET leakage current Upper MOSFET reverse voltage Lower MOSFET reverse voltage VcpA under voltage lock out threshold ●LOgic stage Logic supply current (All circuit ON) Logic supply current (All circuit OFF) Logic supply current (Stand-by) Vcc under voltage lock out threshold Logic "H" input voltage Logic "L" input voltage PHA/ENA/I0/I1/STB "H" input current PHA/ENA/I0/I1/STB "L" input current DEC "H" input voltage DEC "L" input voltage DEC "H" input current DEC "L" input current OSC "H" input voltage OSC "L" input voltage OSC "H" input current OSC "L" input current Vr "H" input current Vr "L" input current Comparator Threshold (100%) Comparator Threshold (70%) Comparator Threshold (40%) Comparator blanking tim CpA Charging tim *1 Thermal shutdown temperature *2 Icc(ON) Icc(OFF) Icc(STB) VccUVLO VLOGICH VLOGICL IINH IINL VDECH VDECL IDECH IDECL VOSCH VOSCL IOSCH IOSCL Imm(OFF) Imm(STB) Ta=25℃ , Vcc=5V , Vmm=24V unless otherwise specified Symbol Condition VENA=all 5V or VI0=VI1=5V Vmm=35V, VSTB=0V Iout=-0.8A Iout=0.8A Vmm=35V, VOUT=0V VOUT=35V, VRS=0V IF=0.8A IF=0.8A MIN Vmm+3 3.6 2.0 GND 2.0 GND 2.0 GND 95 64 36 1 150 TYP 11 0.5 0.5 1.2 1.2 Vmm+4 5 5 3.8 -20 50 -20 -1 100 70 40 2 170 MAX 20 100 0.7 0.7 100 100 1.4 1.4 Vmm+6 10 10 6 4.0 Vcc 0.7 10 -50 Vcc 0.7 200 -10 Vcc 0.7 10 -50 10 -10 105 76 44 3 2 Unit mA μA Ω Ω μA μA V V V mA mA mA V V V μA μA V V μA μA V V μA μA μA μA % % % μs ms ℃ RONH RONL IrH IrL VFH VFL VcpAUVLO - VENA=all 5V or VI0=VI1=5V VSTB=0V VIN=3.3 or 5V VIN=0V VDEC=3.3 or 5V VDEC=0V VOSC=3.3 or 5V VOSC=0V Vr=5V Vr=0V VI0="L", VI1="L" VI0="H", VI1="L" VI0="L", VI1="H" Cp1=0.47μF、Cp2=0.022μF IrefH IrefL Vs1 Vs2 Vs3 tb Tchg TTSD - *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 Symbol θja *3 *3 : 50.8×50.8×1mm3 Rating 58 Unit ℃/W Glass Epoxy Board(FR4),200mm2 Cupper Pattern Shindengen Electric Mfg.Co.Ltd W1002 Stepper Motor Driver IC ■Recommended operation conditions Parameter Junction temperature Logic supply Load supply Reference voltage OSC frequency f Symbol Tj Vcc Vmm Vr OSC MTD2033G Recommendation -25∼120 4.75∼5.50 15∼35 0∼6 16∼150 Unit ℃ V V V kHz ■Truth table I0 and I1 L L × H ENA A or B L L H × PHA A or B H L × × OUT 1 or 4 H L OFF OFF OUT 2 or 3 L H OFF OFF ×：don't care I0 L H L H I1 L L H H Current Level (％) 100 70 40 0 STB H or OPEN L Mode ACTIVE Stand-By DEC H L or OPEN Current Decay Mode Mix Decay Slow Decay Shindengen Electric Mfg.Co.Ltd W1002 Stepper Motor Driver IC ■Typical Application Cp1 Vcc Cvcc Vmm Cvmm MTD2033G Cp2 S.M OUT 2 Vmm B CpA CpB CpC Vcc TSD UVLO Vmm A OUT 1 OUT 3 OUT 4 Charge Pump Standby Standby STB PHA B CPU or GATE ARRAY PHA A GATE CIRCUIT GATE CIRCUIT ENA A ENA B Decay Decay VrA Q R S + Current Sensor Current Sensor + R S Q VrB O s c ill a t o r countor OSC Mix Decay% selection DEC Decay RsA PG RsB LG 2-bit digital current selection I1 I0 Tab Rs Rs CPU or GATE ARRAY ●Constant chopping current level Vref Ichop ＝    10Rs ●Chopping frequency fchop = fosc ●Recommended component values Symbol Cp1 Cp2 Cvmm *1 Cvcc Recommended value 0.47 0.022 47 1 Unit μF μF μF μF *1： It recommend the electrolytic capacitor for the noise absorption connect near IC to Load supply. Shindengen Electric Mfg.Co.Ltd W1002 CPU or GATE ARRAY Vcc Stepper Motor Driver IC ■Outline Drawing MTD2033G (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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Special Applications Transportation devices (automotive, marine, etc.), communication devices for core network, traffic signal devices, fire prevention/anticrime devices, various safety devices, medical devices, etc. Specialized Applications Nuclear power control systems, aircraft and aerospace devices, submarine relay devices, and systems for preserving life, etc. Even if it is not for a special or specialized application, when IC products are to be used for devices or systems that are desired to last for a long period under continuous operation, please make sure to consult our sales representative in advance. ! ● We reserve the right to make any changes to the contents of this manual without prior notice in accordance with modifications to IC products. ● Details of specifications should be exchanged at the adoption of the IC products. ● All information included in this manual is believed to be accurate and reliable. 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