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GS-D500A 数据表(PDF) 6 Page - STMicroelectronics |
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GS-D500A 数据表(HTML) 6 Page - STMicroelectronics |
6 / 10 page 6/10 Figure 5. Zero current input circuit Figure 6. Disable input circuit A - GS-D500A DESCRIPTION The GS-D500A is a complete subsystem to drive stepper motors either in full step or microstep mode. A very large number of auxiliary functions has been included to allow extreme simplicity and flexibility in use. Particular care has been devoted to protections, so that the GS-D500A can be safely used in very harsh environments. In addition to the obvious function to drive the motor phases in a chopping mode, the following functions have been implemented: - Sine/cosine generation - Selection of three different microsteps/step rates - Selection of full/half step drive - Programming of peak phasecurrent to optimize the torque - Automatic phase current reduction at rest (se- lectable) - Full protection against short-circuit between phase-to-phase and phase-to-ground - Thermal and undervoltage protection - Galvanic isolation of 3 input signals (clock, direction, zero current). - Fault indication output - On board auxiliary voltages generation - Midrange stability circuitry (selectable) As a result, the GS-D500A can provide up to 5A per phase and, in its simplest application, just three command signals are required: step clock, direc- tion, disable. GS-D500A |
类似零件编号 - GS-D500A |
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类似说明 - GS-D500A |
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