TB62206FG(O,EL) Toshiba

TB62206FG TOSHIBA BiCD Process IC Silicon Monolithic TB62206FG BiCD PWM 2 Phase Bipolar Stepping Motor Driver The TB62206FG is designed to drive a 2phase bipolar stepping motor. With BiCD process technology, this device enables output withstand voltage of 40 V and maximum current of 1.8 A to be achieved. Features Bipolar stepping motor driver IC Internal PWM current control 2phase/12 phase excitation is available Monolithic BiCD IC Weight: 0.79 g (typ.) DMOS FET used for output power transistor High voltage output and High current: 40 V/1.8 A (max) Onchip thermal shutdown circuit, overcurrent protection circuit and poweron reset circuit (POR) Package: HSOP20P4501.00 Pin Assignment CR 1 20 TORQUE . V 2 19 OUT B DD Vref A 3 18 ENABLE B Vref B 4 17 ENABLE A R B 5 16 OUT B S FIN (GND) FIN (GND) R A 6 15 OUT A S V 7 14 PHASE B M Ccp C 8 13 PHASE A Ccp B 9 12 OUT A Ccp A 10 11 STANDBY Note: Please be careful about the thermal conditions during use, like operating current, PCB conditions, ambient temperature, etc. This IC may be broken if it is soldered at wrongly rotated position because high voltage is applied to low voltage part. Please be sure that 1PIN position and PCB pattern is correct before soldering process. 2014 TOSHIBA Corporation 1 2014-10-01 TB62206FG Block Diagram STANDBY ENABLE A V DD Input logic ENABLE B PHASE A Chopper OSC PHASE B CR OSC CR-CLK TORQUE Current Level Set Converter V ref Torque Control Current Feedback (2) Output Control R VRS RS COMP S (Mixed Decay Control) V M V M Ccp C STANDBY ISD TSD Charge Ccp B Output Pump (H-Bridge) Unit VDDR/VMR ENABLE 2 V V M DD Ccp A Protect Protection Unit Stepping motor 2 2014-10-01