STK672-060-E datasheet(3/19 Pages) SANYO

Part #	STK672-060-E

Description	Thick-Film Hybrid IC Unipolar Constant-current Chopper (external excitation PWM) Circuit with Built-in Microstepping Controller Stepping Motor Driver (sine wave drive) Output Current 1.2A (no heat sink*)

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Manufacturer	SANYO [Sanyo Semicon Device]

Direct Link	https://www.sanyo-av.com/us/

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STK672-060-E

No.7441-3/19

Electrical Characteristics at Tc = 25

°C, VCC1 = 24V, VCC2 = 5V

Rating

Parameters

Symbols

Conditions

min

typ

max

unit

Control supply current

ICC

Pin 7, with ENABLE pin held low.

2.5

14

mA

Output saturation voltage

Vsat

RL = 23Ω (I ≈ 1A)

0.8

1.1

V

Average output current

Ioave

Load: R = 3.5

Ω / L = 3.8mH

For each phase, Vref

≈ 1.69V

0.470

0.524

0.580

A

FET diode forward voltage

Vdf

If = 1A

1.2

1.8

V

[Control Inputs]

VIH

Except for the Vref pin

4

V

Input voltage

VIL

Except for the Vref pin

1

V

IIH

Except for the Vref pin

0

1

10

μA

Input current

IIL

Except for the Vref pin

125

250

510

μA

[Vref Input Pin]

Input voltage

VI

Pin 8

0

2.5

V

Input current

II

Pin 8, VI = 2.5V

330

415

545

μA

[Control Outputs]

VOH

I = –3mA, pins MOI, MO1, MO2

2.4

V

Output voltage

VOL

I = +3mA, pins MOI, MO1, MO2

0.4

V

[Current Distribution Ratio (A·B)]

2W1-2, W1-2, 1-2

Vref

θ = 1/8

100

%

2W1-2, W1-2

Vref

θ = 2/8

92

%

2W1-2

Vref

θ = 3/8

83

%

2W1-2, W1-2, 1-2

Vref

θ = 4/8

71

%

2W1-2

Vref

θ = 5/8

55

%

2W1-2, W1-2

Vref

θ = 6/8

40

%

2W1-2

Vref

θ = 7/8

21

%

2

Vref

100

%

PWM frequency

fc

37

47

57

kHz

Note: A constant-voltage power supply must be used.

The design target value is shown for the current distribution ratio.

Package Dimensions

unit:mm (typ)

4161

122

53.0

0.5

2.0

9.0

0.4

2.9

21 2=42

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