M63010FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M63010FP

SPINDLE MOTOR AND 4CH ACTUATOR DRIVER

MITSUBISHI ELECTRIC  

Preliminary

MITSUBISHI SEMICONDUCTORS

M63010FP

SPINDLE MOTOR AND 4CH ACTUATOR DRIVER

SLIDE channel

The relationship between the differential voltage between SLIN and

REF and the torque is shown in right Figure. The voltage gain[Gvo] is

1.0 [V/V]. The current gain is 2.0[A/V ](at sensing resistor : 0.5 ohm and

R1=∞,R2=0ohm) in forward torque directions, and the dead zone is from

0mV to 60mV (at R1=∞,R2=0ohm).

The coil current gain under the reverse torque is the same with in

forward torque directions.And the limitation function gets on when the

differential voltage of VM23(12V) to RSL is 0.5V.

Therefore current-gain-control and current-limit of this IC is determined

with sensing resister value.

CTL

1.65v

R2

R1

VM23

Rs

RSL

SL+

SLIN

REF

SL-

GND

Forward

M

Reverse

current limit

Forward

Dead zone

SL*IN -REF (V)

Gio

Gio

Dead zone

Reverse

current limit

The example of current-gain and current-limit of SLIDE.

Rs [Ω]

0.50

0.75

1.00

Ilim [A]

1.00

0.66

0.50

Gio* [A/V]

R1=∞

R2=0 ohm

R1=R2

R1=2•R2

2.00

1.00

0.66

1.33

0.66

0.44

1.00

0.50

0.33

Gio*= R1 / [(R1+R2)•Rs] [A/V]

(10 / 16)

REV990118

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