UC3517QTR

Stepper Motor Drive Circuit 20-PLCC

DESCRIPON

The UC3517 contains four NPN drivers that operate in two-phase fashion for full-step and half-step motor control. The UC3517 also contains two emitter followers, two monostables, phase decoder logic, power-on reset, and low-voltage protection, making it a versatile system for driving small stepper motors or for control ling large power devices.

FEATURES

• Complete Motor Driver and Encoder

• Continuous Drive Capability 350mA per Phase

• Contains all Required Logic for Full and Half Stepping

• Bilevel Operation for Fast Step Rates

• Operates as a Voltage Doubler

• Useable as a Phase Generator and/or as a Driver

• Power-On Reset Guarantees Safe, Predictable Power-Up