STK672-640C-E View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

STK672-640C-E

2-phase Stepping Motor Driver

ON Semiconductor 

STK672-640C-E

Specifications

Absolute Maximum Ratings at Tc = 25°C

Parameter

Maximum supply voltage 1

Maximum supply voltage 2

Input voltage

Output current 1

Output current 2

Output current 3

Output current 4

Allowable power dissipation 1

Allowable power dissipation 2

Operating substrate temperature

Junction temperature

Storage temperature

Symbol

VCC max

VDD max

VIN max

IOP max

IOH max1

IOH max2

IOF max

PdMF max

PdPK max

Tc

Tj max

Tstg

Conditions

No signal

No signal

Logic input pins

10μA, 1 pulse (resistance load)

VDD=5V, CLOCK≥200Hz

VDD=5V, CLOCK≥200Hz VCC≤29V

Pin16 output current

With an arbitrarily large heat sink. Per MOSFET

No heat sink

Ratings

unit

50

V

-0.3 to +6.0

V

-0.3 to +6.0

V

20

A

4

A

4.5

A

10

mA

8.3

W

3.1

W

-20 to +105

°C

150

°C

-40 to +125

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating

Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.

Allowable Operating Ranges at Ta=25°C

Parameter

Operating supply voltage 1

Operating supply voltage 2

Input high voltage

Input low voltage

Output current 1

Output current 2

Output current 3

Output current 4

CLOCK frequency

Recommended Vref range

Symbol

VCC

VDD

VIH

VIL

IOH1

IOH2

IOH3

IOH4

fCL

Vref

Conditions

With signals applied

With signals applied

Pins 10, 12, 13, 14, 15, 17 VDD=5±5%

Pins 10, 12, 13, 14, 15, 17 VDD=5±5%

Tc=105°C, CLOCK≥200Hz,

Continuous operation, duty=100%

Tc=80°C, CLOCK≥200Hz,

Continuous operation, duty=100%,

See the motor current (IOH) derating curve

Tc=105°C, CLOCK≥200Hz, VCC≤29V

Continuous operation, duty=100%,

See the motor current (IOH) derating curve

Tc=80°C, CLOCK≥200Hz, VCC≤29V

Continuous operation, duty=100%,

See the motor current (IOH) derating curve

Minimum pulse width: at least 10μs

Tc=105°C

Ratings

unit

10 to 46

V

5±5%

V

2.5 to VDD

V

0 to 0.8

V

3.0

A

3.3

A

3.5

A

3.8

A

0 to 50

kHz

0.14 to 1.38

V

Electrical Characteristics at Tc=25°C, VCC=24V, VDD=5.0V

Parameter

VDD supply current

Output average current*

FET diode forward voltage

Output saturation voltage

Input high voltage

Input low voltage

FAULT1 low output voltage

5V level FAULT leakage current

FAULT2 opened motor pin

detection output voltage

FAULT2 Overcurrent detection

output voltage

FAULT2 Overheat detection

output voltage

Symbol

ICCO

Ioave

Vdf

Vsat

VIH

VIL

VOLF

IILF

VOF1

VOF2

VOF3

Conditions

Pin 9 current CLOCK=GND

R/L=1Ω/0.62mH in each phase

If=1A (RL=23Ω)

RL=23Ω

Pins 10, 12, 13, 14, 15, 17

Pins 10, 12, 13, 14, 15, 17

Pin 16 (IO=5mA)

Pin 16=5V

Pin 8 (when all protection functions have

been activated)

min

0.519

2.5

0.00

2.4

3.1

typ

5

0.625

0.83

0.20

0.25

0.01

max

unit

8

mA

0.731

A

1.5

V

0.33

V

V

0.8

V

0.5

V

10

μA

0.20

2.5

2.6

V

3.3

3.5

Continued to the next page.

No. A2116-2/27

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