M56745FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M56745FP

SPINDLE MOTOR DRIVER

MITSUBISHI ELECTRIC  

MITSUBISHI <CONTROL / DRIVER IC>

M56745FP

SPINDLE MOTOR DRIVER

ELECTRICAL CHARACTERISTICS (Ta=25˚C, VM=12V, Vcc=5V, unless otherwise noted)

Symbol

Parameter

Conditions

Limits

Min. Typ. Max. Unit

Icc1

Sleep Mode Supply current-1

13 pin Input Current (EC=ECR=2.5V), 14 pin GND.

0 100 µA

Icc2

Sleep Mode Supply current-2

17 pin Input Current (EC=ECR=2.5V), 14 pin GND.

3.8 6.0 mA

Vsat

Saturation voltage

Top and Bottom saturation voltage.

Load current 500mA.

1.5 2.4

V

ECdead- Control voltage

ECdead+ dead zone

EC < ECR

EC > ECR

-50 -25 -5

mV

+5 +25 +25

ECR

Reference voltage input range

16 pin Input voltage range.

1.9 2.1 2.3

V

EC

Control voltage input range

15 pin Input voltage range.

1.0

4.0

V

Gio

Current gain

Rs=0.47Ω

0.55 0.65 0.75 A/V

Von

Motor start voltage

1 pin input voltage when makes the motor start up. 3.5

V

Voff

Motor stop voltage

1 pin input voltage when makes the motor stop.

1.5

V

VH (IN) Sensor amp. common mode input range 19 to 24 pins input range.

1.2

4.5

V

VH (INH) Sensor amp. input signal revel

19 to 24 pins input signal revel.

50

mV

Vlim

Current limit

Rs=0.47Ω

0.45 0.50 0.55 A

VHb

Hall bias terminal output voltage

Load current (IHb) 10mA.

1.0 1.2 1.5

V

IHb

Hall bias terminal sink current

10 mA

ELECTRICAL CHARACTERISTICS (Vcc=5V, VM=12V, Ta=25˚C, Unless otherwise noted)

Current limit

Forward Torque

+5 – +50mV

0.65A/V

+

–

0

EC - ECR

0.65A/V

-5 – -50mV

Current limit

Reverse Torque

Figure 1. The characteristics of the control voltage and motor current (Torque).

The relationship between the EC

(control voltage), ECR (reference

voltage) and the torque is as

shown in Figure 1.

The current gain is 0.65A/V in the

both torques and a dead zone is

±5mV to ±50mV.

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