User Manual

ManualsBrandsPololu ManualsMotor ControllersAMIS-30543 Stepper Motor Driver Carrier

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AND8399/D

http://onsemi.com

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Start

“coil current

zero crossing”

“coil current

zero crossing”

t

Figure 2. Half Step Compensated Mode

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Y

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X

Start

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coil

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Y

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X

Start

“coil current

zero crossing”

“coil current

zero crossing”

t

Figure 3. 1/4th Stepping Mode

Start

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X

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Y

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X

I

Y

I

coil

Start

“coil current

zero crossing”

“coil current

zero crossing”

t

Figure 4. 1/8 Stepping Mode

Start

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X

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Y

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Y

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X

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coil

As displayed in above figures, a microstep position is

located on the “coil current zero crossing” except for full

step mode (Note 2). Only if a microstep position is located

on the “coil current zero crossing”, a correct representation

of the Bemf voltage can be measured on the SLA−pin.

2. See the Full Step Stepping Mode section for more info on full step steppingmode.