M54646AP datasheet(3/9 Pages) RENESAS

Part #	M54646AP

Description	2-Phase Stepper Motor Driver

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Manufacturer	RENESAS [Renesas Technology Corp]

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M54646AP

Rev.1.0, Sep.19.2003, page 3 of 8

Recommended Operating Condition

(Ta = 25°C, unless otherwise noted.)

Limits

Parameter

Symbol

Min.

Typ.

Max.

Unit

Supply voltage

V

CC

4.5

5

5.5

V

Output supply voltage

V

MM

10

40

V

Output current

I

O

20

800

mA

Logic input rise time

t

PLH

2

µS

Logic input fall time

t

PHL

2

µS

Thermal shutdown temperature

T

ON

165

°C

Electrical characteristics

(Ta = 25°C, VCC = 5.0V, unless otherwise noted.)

Limits

Parameter

Symbol

Min.

Typ.

Max.

Unit

Test conditions

Logic input voltage

“H”

V

IH

2.0

Vcc

V

CC=5V

“L”

V

IL

0

0.8

Comparator threshold voltage

V

CH

400

430

450

mV

V

R=5V

Comparator input current

I

CO

−20

20

µA

Output cutoff current

I

OFF

100

µA

Total saturation voltage

Vsat

3.5

V

Sensing resistance is not included.

(I

O=500mA)

Cutoff time

t

OFF

25

30

35

µS

V

MM=10V, tON ≥ 5µs

Turnoff delay

td

1.6

2.0

µS

dVK/dt

≥ 50mV/µs

Power current

I

CC

25

mA

V

CC=5V, 1phase

Logic input current

“H”

I

IH

20

µA

VI=2.4V

“L”

I

IL

−0.4

mA

VI=0.4V

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