SLA7024M, SLA7026M, and SMA7029M are designed for high-efficiency and high-performance operation of 2-phase, unipolar stepper motors. The products are suitable for controlling and directly driving a broad range of 2-phase, unipolar stepper motors.
This document provides technical specifications and application information for the SLA7024M, SLA7026M, and SMA7029M high-current PWM unipolar stepper motor controller/drivers. These multi-chip modules (PMCMs) are designed for efficient operation of 2-phase unipolar stepper motors, utilizing advanced NMOS FETs and monolithic logic.
| Load Supply Voltage | +0.5 to +46 V |
|---|---|
| FET Output Voltage | 100 V |
| Control Supply Voltage | +0.5 to +46 V |
| Peak Output Current (SLA7024M) | 3.0 A |
| Peak Output Current (SLA7026M) | 5.0 A |
| Peak Output Current (SMA7029M) | 3.0 A |
| Continuous Output Current (SLA7024M) | 15 A |
| Continuous Output Current (SLA7026M) | 3.0 A |
| Continuous Output Current (SMA7029M) | 15 A |
| Operating Temperature Range | -20°C to +85°C |
Normally, heat sinks are not required for the SLA7024M or SMA7029M, but the SLA7026M necessitates suitable heat transfer methods.
The input voltage range is from -0.3 V to 7.0 V.
For the SLA7024M and SLA7026M, channels A and B are electrically isolated. For the SMA7029M, channels A and B are isolated except for the control supply.