STK472-422A-E 데이터 시트보기 (PDF) - ON Semiconductor

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STK472-422A-E

Thick-Film Hybrid IC 2-phase Stepping Motor Driver

ON Semiconductor 

Input voltage specifications are as follows.

VIH=2.5Vmin

VIL=0.8Vmax

<Configuration of the Vref input pin>

STK672-442A-E

<Configuration of the FAULT1 output pin>

Vref/4.9

-

+

Amplifier

VSS

100kΩ

VSS

Output pin

Pin 16

Input pin

Pin 19

5V

Overcurrent

Thermal shutdown

VSS

(The buffer has an open drain configuration.)

<FAULT1, FAULT2 output>

FAULT1 Output

FAULT1 is an open drain output. Low is output if either overcurrent or overheating is detected.

FAULT2 output

Output is resistance divided (2 levels) and the type of abnormality detected is converted to the corresponding output

voltage.

• Overcurrent: 2.5V(typ)

• Overheat: 3.3V(typ)

Abnormality detection can be released by a RESETB operation or turning VDD voltage on/off.

[MOI output]

The output frequency of this excitation monitor pin varies depending on the excitation mode. For output operations, see

the timing chart.

No.A1587-12/21

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