LB11946 Description
EN7946A LB11946 Monolithic Digital IC PWM Current Control Stepping Motor Driver http://onsemi. Overview The LB11946 is a stepping motor driver IC that implements PWM current control bipolar drive with a fixed off time.
LB11946 Key Features
- PWM current control (with a fixed off time)
- Current attenuation switching function (with slow decay, fast decay, and mixed decay modes)
- Built-in upper and lower side diodes
- Simultaneous on state prevention function (through current prevention)
- Noise canceller function
- Thermal shutdown circuit
- Shutoff on low logic system voltage circuit
- Low-power mode control pin
- 0.3 to VCC 1.0 0.5 3.0
- 25 to +85 -55 to +150