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Partname: | AMIS30511 |
Description: | Micro-Stepping Motor Driver |
Manufacturer: | ON Semiconductor |
Datasheet: | PDF (387K). Click here to download *) |
The AMIS-30511 is a micro-stepping stepper motor driver for bipolar stepper motors. The chip is connected through I/O pins and a SPI interface with an external microcontroller. The AMIS-30511 contains a current-translation table and takes the next micro-step depending on the clock signal on the "NXT" input pin and the status of the "DIR" (=direction) register or input pin. The chip provides a so-called "speed and load angle" output. This allows the creation of stall detection algorithms, step loss detection, and control loops based on load-angle to adjust torque and speed. It is using a proprietary PWM algorithm for reliable current control. The AMIS-30511 is implemented in I2T100 technology, enabling both high-voltage analog circuitry and digital functionality on the same chip. The chip is fully compatible with the automotive voltage requirements. |
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Click here to download AMIS30511 Datasheet*) |
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