M63015FP データシートの表示（PDF） - MITSUBISHI ELECTRIC

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M63015FP

SPINDLE MOTOR AND 4CH ACTUATOR DRIVER

MITSUBISHI ELECTRIC  

MITSUBISHI SEMICONDUCTOR (LSI)

M63015FP

SPINDLE MOTOR AND 4CH ACTUATOR DRIVER

q Loading channel

The loading channel is the circuit of BTL voltage drive. This circuit

has the referential input. Output swing is determined with ∆Vin X 8.

Also,it is possible for this channel to use for the slide motor , the

focus coil and the tracking coil.

The input terminal is high impedance. It is possible to do variable a

gain by external resistor.

The output becomes high impedance in case of both input voltage

becomes under 0.5 volts. It is possible for the input terminal to

operate from 0 volts.The following table and diagram show an

application in case of two MCU port and one MCU port for the

loading motor.In case of one MCU port, if use three state port, it is

possible for this channel to have the stop function.

VM23

LOIN+

LOIN-

LOADING

Channel

LO+

+

Vo

-

LO-

Forward

M

Reverse

Output

LO-

voltage [V]

LO+

VM23

2

Coil

LO+

Vo

Gvo = 8 [v/v]

Vo=[LO+]-[LO-]

=8 X([LOIN+]-[LOIN-])

+

Coil

-

[LOIN+]-[LOIN-] (V)

LO-

Application.1 (Two port H/L control)

Logic

P1

5V

0

5V

0

control

P2

5V

5V

0

0

Situation of loading channel

Short brake --> Stop

Reverse rotation

Forward rotation

Off [ High impedance output]

Application.2 (One port H/L control)

Logic control

P1

Situation of loading channel

5V

Forward rotation

Z

(Hi impedance)

Short brake --> Stop

0

Reverse rotation

Output voltage swing

Vo= 0 [V]

Vo= - 8X5XR1/(R1+2XR2)

Vo= 8X5XR1/(R1+2XR2)

Off

Output voltage swing

Vo=2.5[V] X8X R2

(R1/2)+R2+R3

Vo= 0 [V]

Vo=- 2.5[V] X8X R2

(R1/2)+R2+R3

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