Featured Products High performance • High reliability New 36V 3.0A Stepper Motor Drivers BD63730EFV Iomax:3.0A High Power (3.5A peak) No charge pump Fewer external parts required High power package Pd=6,200mW (70mm×70mm×1.6mm 4-layer board/copper foil back 70mm×70mm) Dual-input interface CLK-IN/PARALLEL-IN ROHM’s high-performance PWM constant current drivers feature low power consumption and minimal heat generation, and support both CLK-IN and PARALLEL-IN input, ensuring compatibility with a broad range of applications. The current decay system includes multiple tuning functions, making it possible to achieve optimal control conditions for virtually any motor. Applications Electrical Characteristics Output Current (Io) vs. Junction Temperature (Tj) BD63730EFV 100.0 Tj=88.8°C Iout=3.0A 90.0 (An in-company investigation) 80.0 Tj (°C) Sewing machines 88.8 79.8 70.0 Photo printers, fax machines, scanners, mini printers, label printers 71.8 60.0 50.0 40.0 36.1 30.0 39.3 43.8 48.6 52.9 58.2 63.5 Electronic toys, robots, and more 20.0 10.0 0.0 0 0.5 1 1.5 Io (A) 2 PPCs, multifunction/laser/inkjet printers, Surveillance cameras, web cams 2.5 3 VCC=24V, C=1000pF, R=39kΩ, RNF=0.1Ω, Motor (L=7.35mH, R=2Ω) Full step (600pps) Mixed Decay Mode=Slow Decay 4 layer PCB (100mm×100mm×1.6mm) 3.5 Application Block Diagram Lineup Built-in regulator enables support for single power supply systems CLK-IN input CLK Translator MODE0 MODE1 RESET ENABLE (Ghost Supply Prevention) VREF G.S.P. function (which prevents malfunctions when no power is supplied) is built into all input pins. PS BD6423EFV Multiple protection circuits TSD 2bit DAC BD6422EFV UVLO OVLO Logic Input with G.S.P. BD6425EFV 1.5A GND Regulator CW_CCW BD63873EFV 1.0A OCP VCC1 H bridge Blank time PWM control CR MTH OSC Predriver RNF2S Control Logic RNF1S Constant current control Tuning function OUT1A BD6387EFV 2.0A BD63875EFV 1.5A BD63720AEFV 2.0A High Performance BD63715AEFV 1.5A BD63710AEFV 1.0A BD6393EFV 1.2A BD63920EFV 0.8A BD63940EFV 1.2A BD6395EFV 1.5A BD6290EFV 0.8A BD63860EFV 2.5A VCC2 OUT2A BD6381EFV 1.2A OUT2B BD63960EFV 1.5A RNF2 1/8step Standard Series BD6380EFV 0.8A BD6382EFV 0.8A RNF2S GND ROHM DMOS output strong against ESD BD63730EFV 3.0A BD63876EFV 2.0A BD63847EFV 2.0A BD63874EFV 1.5A RNF1S TEST Waveform control pin 1.0A BD6389FM 2.2A RNF1 Mix decay control 1/16step 1.0A BD63877EFV 2.0A BD63843EFV 1.0A BD6385EFV 1.5A BD6383EFV 1.0A BD63801EFV 0.8A OUT1B H bridge BD63872EFV 1.0A 1st Generation 2008 Adjacent pin short protection 2nd Generation 2009 2010 2011 (Year) HBM ±4,000V min. 36V High Performance 45V High Voltage 3rd Generation 2012 36V Standard 2013 2014 15V Low Voltage Lineup High Performance High Reliability 36V Stepper Motor Drivers Part No. BD63730EFV BD63720AEFV BD63715AEFV BD63710AEFV BD6387EFV BD6385EFV BD6383EFV BD6389FM BD63877EFV BD63875EFV BD63873EFV BD63876EFV BD63874EFV BD63872EFV Supply Voltage (V) Vcc Output Current (A) 19 to 28 3.0 19 to 28 19 to 28 19 to 28 10 to 28 Circuit Current (mA) Interface Input Threshold Voltage 2.0 CLK-IN/PARA-IN 2.0 2.0 CLK-IN 1.5 2.0 CLK-IN 2.0 2.0 1.0 2.0 1.5 1.0 2.0 4.5 CLK-IN CLK-IN/PARA-IN 2.0 2.0 4.5 CLK-IN/PARA-IN 2.2 4.5 4.5 CLK-IN/PARA-IN 19 to 28 2.0 2.0 CLK-IN/PARA-IN CLK-IN 19 to 28 1.5 2.0 19 to 28 19 to 28 1.0 2.0 19 to 28 2.0 1.5 2.0 2.0 19 to 28 1.0 2.0 10 to 28 10 to 28 Package 0.8 0.4 HTSSOP-B54 0.8 0.65 0.95 HTSSOP-B28 1.2 L Level Voltage (V) 2.0 10 to 28 Output ON Resistance (Ω) H Level Voltage (V) 0.8 0.8 HTSSOP-B28 0.8 0.8 HTSSOP-B28 HTSSOP-B40 2.0 0.8 1.0 HTSSOP-B40 2.0 1.5 0.7 HTSSOP-B40 2.0 0.8 0.8 2.0 0.8 0.65 CLK-IN 2.0 0.8 CLK-IN PARA-IN 2.0 0.8 1.0 1.9 2.0 2.0 2.0 0.8 0.8 0.8 PARA-IN PARA-IN HSOP-M36 HTSSOP-B28 HTSSOP-B28 0.65 HTSSOP-B28 HTSSOP-B28 1.0 HTSSOP-B28 1.9 HTSSOP-B28 Standard 36V stepper motor drivers μ-step-type 36V stepper motor drivers Low voltage stepper motor drivers 45V stepper motor drivers Bipolar stepper motor drivers for paper transfer or carriage (in scanners, photo printers, LBPs, PPCs, IJPs, and fax machines) *1 BD6387EFV, BD6385EFV, BD6383EFV, and BD6389FM are function-compatible *2 BD6387EFV, BD6385EFV, and BD6383EFV are pin-compatible *3 BD63710AFFV, BD63715AEFV, BD63720AEFV, BD63877EFV, BD63875EFV, and BD63873EFV are function-compatible *4 BD63710AFFV, BD63715AEFV, BD63720AEFV, BD63877EFV, BD63875EFV, BD63873EFV, and the μ-step-type 36V BD63847EFV, and BD63843EFV are pin-compatible *5 BD63876EFV, BD63874EFV, and BD63872EFV are function-compatible *6 BD63876EFV, BD63874EFV, and BD63872EFV are pin-compatible The contents specified in this document are correct as of March 1, 2014. [O_035] Catalog No.56O6793E 03.2014 ROHM © ROHM