SHINDENGEN Stepper Motor Driver ICs MTD Series MTD1361F Unipolar motor driver IC (DMOS output) Features n Unipolar drive system n DMOS output (low loss and low generation of heat) n TTL and CMOS compatible gate n 4-phase input (simultaneous ON prevention function) n Constant current control n Integrated flywheel diodes and no external Zener diode needed n Surface mount type package with heatsink (HSOP28) HSOP-28 g Absolute maximum ratings / Ta=25℃ Parameter Logic input voltage DMOS output breakdown voltage Symbol Rating Unit VIN -0.3 to 6 V VDSS 68 V Flywheel diode voltage VR 68 V Output current ID 1.2 A Flywheel diode current IF 1.2 A Power dissipation* PT 5 W Tstg -40 to 150 ℃ Tj 150 ℃ Strage temperature range Junction temperature range *Mounted on glass epoxy board (50.8×50.8×1mm) g Pin assignment NC NC NC OUT B Rs B NC OUT B 8 9 10 11 12 13 14 1036N GND SHINDENGEN 1 2 3 4 5 6 7 MTD1361F OUT A NC Rs A OUT A NC NC NC g Truth table 28 27 26 25 24 23 22 PG IN A IN A Vs A Vref A CR A Vmm IN A or B IN A or B OUT A or B OUT A or B L L OFF OFF L H ON OFF H L OFF ON H H OFF OFF GND 21 20 19 18 17 16 15 Shindengen Electric Mfg.Co.Ltd NC CR B Vref B Vs B IN B IN B PG 0309 SHINDENGEN Stepper Motor Driver ICs MTD1361F g Electrical characteristics / Ta=25℃ Parameter Symbol Condition MIN TYP MAX Load supply Vmm Load supply current Imm Vmm=24V "L" input voltage Vin (L) Vmm=24V "H" input voltage Vin (H) Vmm=24V "L" input current Iin (L) Vmm=24V, Vin=0V -50.0 µA "H" input current Iin (H) Vmm=24V, Vin=5V 10.0 µA Vs input current Is （L) Vmm=24V, Vs=0V -50.0 µA Vmm=24V, Vref=0V -50.0 µA 1.5 V Vref input current Iref （L) Vref input voltage Vref Output saturation voltage 15.0 Unit 30.0 V 18.0 mA 0.8 V 2.0 V Vmm=24V Vdson Id＝1.2A 0.96 V Vf If＝1.2A 1.5 V Ct＝3300pF、Rt＝8.2kΩ 18.7 µs Flywheel diode forward drop One shot OFF time Toff g Thermal resistance Symbol Rating Unit θja * 41 ℃/W *Mounted on glass epoxy board (50.8×50.8×1mm) g Internal equation circuits / Typical application Vmm 22 4 1 OUT A Vmm 14 OUT A 11 OUT B OUT B VOLTAGE REFERENCE IN A CPU or GATE ARRAY CPU or GATE ARRAY 16 IN A IN B 26 CR A 23 Rt IN B 27 17 ONE SHOT + Ct + Vref A 5V Vs A 24 Rs A 25 PG 3 15 PG LG TAB PG Rs B 28 12 Vs B 18 ONE SHOT CR B 20 Ct Vref B 19 Rf Rf R1 Cf Rs Rs Cf R2 Recommended component values Constant chopping current level Io = Vref Rs Shindengen Electric Mfg.Co.Ltd One Shot OFF time Toff = 0.69CtRt Symbol Value Unit Rs 0.68 Ω Rt 8.2 kΩ Ct 3300 pF Rf 1 kΩ Cf 3300 pF R1+R2 ≦10 kΩ 0309 Rt SHINDENGEN Stepper Motor Driver ICs MTD1361F g Outline dimension (Unit : mm) Shindengen Electric Mfg.Co.Ltd 0309 SHINDENGEN Stepper Motor Driver ICs MTD1361F g This device fully meets the reliability and quality control standards described in our company's catalog. If this device is to be used in a situation where its misuse or failure might cause serious injury or death, consult with our company. Reliability and quality control standards for this device are considered adequate when it is used with the following type of end equipment. Standard applications Computers, OA and other office equipment, Communication terminal, Measurement machine tools, Audio-visual, Game and other amusements, Household electric appliances, Personal items, Industrial robot, etc. Special applications where the device may or not be suitable include the following. Transportation and conveyance (cargo loading) equipment, Primary communications equipment, Traffic signal control equipment, Fire and burglary alarms, Various safety devices, Medical equipment, etc. Other special applications where the device reliability is not considered high enough include the following. Atomic power control systems, Aviation equipment, Aerospace equipment, Submarine relay equipment, Life support equipment, etc. g Our company makes a constant effort to improve the quality and reliability of our products. However, it is the customer's responsibility to provide safety. Take the appropriate steps to prevent personal injury, fire, and damage by providing redundancy equipment, fire containment equipment, and devices to protect personnel and equipment from operational mistakes. If you want to any more detail information and design application, please contact sales office regarding any questions you may have. SHINDENGEN ELECTRIC MFG. CO., LTD. reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the design of its products. The information included herein is believed to be accurate and reliable. However, SHINDENGEN ELECTRIC MFG. CO., LTD. assumes no responsibility for its use; nor for any infringements of patents or other rights of third parties, which may result from its use. Shindengen Electric Mfg.Co.Ltd 0309