LV8772 Description
ENA1975 LV8772 Bi-CMOS LSI PWM Constant-Current Control Stepping Motor Driver http://onsemi. Overview The LV8772 is a stepping motor driver, which is capable of micro-step drive and supports 4W 1-2 phase excitation. It is stepping motors used in office equipment and amusement applications.
LV8772 Key Features
- Low on resistance (upper side : 0.3Ω ; lower side : 0.25Ω ; total of upper and lower : 0.55Ω ; Ta = 25°C, IO = 2.5A)
- BiCDMOS process IC
- Excitation step proceeds only by step signal input
- Motor current selectable in four steps
- Output short-circuit protection circuit incorporated
- Unusual condition warning output pins
- No control power supply required