MTD2005 datasheet(2/2 Pages) SHINDENGEN

номер детали	MTD2005

подробное описание детали	Stepping Motor Driver ICs

PDF	2 Pages

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производитель	SHINDENGEN [Shindengen Electric Mfg.Co.Ltd]

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MTD2005

Stepping Motor Driver ICs

●

Setting of Output Current and Chopping Frequency

Fig.1 shows constant current chopping wave form.

○

Output Current setting

○

Chopping Frequency Setting

●

Equivalent Circuit・Basic Application Circuit

●

Pin Assignment

f =

0.72・Ct・Rt

Io =

R1+R2

・

Vcc

Fig.1 Constant current wave form (Motor current / phase)

●True Table

ENA A or B

Out 1 or 4

Out 2 or 3

OFF

× : don't care

●Recommended Parts Value

Symbol

Recommended Value

Unit

0.68

13kΩ

4700

R1+R2

<10kΩ

●Recommended Operating Conditions （Ta=25℃）

Item

Symbol

min.

typ.

max.

Unit

Motor Supply Voltage

Vmm

Output Current

Output Emitter Voltage

Logic Supply Voltage

Vcc

4.75

5.25

Chopping Frequency

fchop

kHz

Operating Temperature

Top

-25

120

℃

●True Table for Current Decay

FAST (Sink+Source Chopping)

SLOW (Source Chopping)

DECAY

Current Decay Mode

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