ROHM Semiconductor BD6422EFV
Stepping Motor Drivers
DESCRIPTION
These products are a low power consumption PWM constant current-drive driver of bipolar stepping motor with power supply’s rated voltage of 45V and rated output current of 1.0A, 1.5A.●Feature 1) Power supply: one system drive (rated voltage of 45V) 2) Rated output current: 1.0A, 1.5A 3) Low ON resistance DMOS output 4) CLK-IN drive mode (BD6425/6423EFV) 5) Parallel IN drive mode (BD6422EFV) 6) PWM constant current control (other oscillation) 7) Built-in spike noise blanking function (external noise filter is unnecessary) 8) FULL STEP & HALF STEP (two kinds), applicable to QUARTER STEP 9) Current decay mode switching function (4 kinds of FAST/SLOW DECAY ratio) 10) Normal rotation & reverse rotation switching function (BD6425/6423EFV) 11) Power save function 12) Built-in logic input pull-down resistor 13) Power-on reset