Stepper Motor Drive Circuit

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 de- coder 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. The emitter followers and monostables in the UC3517 are config- ured to apply higher-voltage pulses to the motor at each step command. This drive technique, called Bilevel, allows faster stepping than common resistive current limiting, yet generates less electrical noise than chopping techniques. By Texas Instruments
UC1517 's PackagesUC1517 's pdf datasheet

UC1517 Pinout, Pinouts
UC1517 pinout,Pin out
This is one package pinout of UC1517,If you need more pinouts please download UC1517's pdf datasheet.

UC1517 Application circuits
UC1517 circuits
This is one application circuit of UC1517,If you need more circuits,please download UC1517's pdf datasheet.

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