SAA1027 Stepper Motor Drive Circuit 9.5V–18V 350mA DIP-16 IC
The SAA1027 is a monolithic integrated circuit designed as a stepper motor drive circuit for four-phase, two-pole stepper motors. The chip integrates four output stages (Q1–Q4), a logic section, and three input stages on a single device, providing a complete drive-and-control solution for stepping motors.
Features
- Complete single-chip drive circuit for four-phase, two-pole stepper motors
- Four output stages (Q1–Q4), each with up to 350 mA load current capability
- Wide supply voltage range: 9.5 V to 18 V (typ. 12 V)
- Maximum input voltage: 20 V
- Low typical supply current: 4.5 mA
- Thermal resistance junction–ambient: 70 °C/W
- Operating temperature range: −20 °C to +70 °C; storage: −40 °C to +125 °C
Specifications
Applications
- Drive circuits for four-phase, two-pole stepper motors
- Stepper motor control systems using trigger, set, and direction inputs
- Direct drive of stepper motor phases
Package Content
- 1 x SAA1027 Stepper Motor Drive Circuit 9.5V–18V 350mA DIP-16 IC