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STK672-440B-E データシート(PDF) 7 Page - Sanyo Semicon Device

部品番号 STK672-440B-E
部品情報  Thick-Film Hybrid IC 2-phase Stepping Motor Driver
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メーカー  SANYO [Sanyo Semicon Device]
ホームページ  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

STK672-440B-E データシート(HTML) 7 Page - Sanyo Semicon Device

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STK672-440B-E
No.A1734-7/24
• Motor current peak value IOH setting
[Smoke Emission Precuations]
If Pin 18 (S.G terminal) is attached to the PCB without using solder, overcurrent may flow into the MOSFET at
VCCON (24V ON), causing the STK672-440B-E to emit smoke because 5V circuits cannot be controlled.
Function Table
M2
0
0
1
1
M1
M3
0
1
0
1
CLOCK Edge Timing for
Phase Switching
1
2-phase excitation
selection
1-2-phase excitation
(IOH=100%)
W1-2 phase
excitation
2W1-2 phase
excitation
CLOCK rising edge
0
1-2 phase excitation
(IOH=100%, 71%)
W1-2 phase
excitation
2W1-2 phase
excitation
4W1-2 phase
excitation
CLOCK both edges
IOH=100% results in the Vref voltage setting, IOH.
During 1-2 phase excitation, the hybrid IC operates at a current setting of IOH=100% when the CLOCK signal rises.
Conversely, pseudo micro current control is performed to control current at IOH=100% or 71% at both edges of the
CLOCK signal.
CWB pin
Forward/CW
0
Reverse/CCW
1
ENABLE
• RESETB pin
ENABLE
Motor current cut: Low
RESETB
Active Low
IOH
0


同様の部品番号 - STK672-440B-E

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