AN6612 데이터 시트보기 (PDF) - Panasonic Corporation

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AN6612

Motor Control Circuits

Panasonic Corporation 

AN6612, AN6612S

ICs for Motor

s Pin Descriptions

Pin No.

Pin Name

1 Current Sensor

2 Reference Voltage

3 Control

4 VCC

Pin No.

Pin Name

5 GND

6 Base

7 Output Base

8 Motor pin

s Absolute Maximum Ratings (Ta= 25˚C)

Parameter

Symbol

Rating

Unit

Supply Voltage

VCC

10

V

Supply Current

I4

5

mA

AN6612

Power Dissipation

PD

AN6612S

400

mW

200

Operating Ambient Temperature

Topr

–20 ~ + 75

˚C

AN6612

–40 ~ +150

Storage Temperature

Tstg

˚C

AN6612S

–40 ~ +125

s Electrical Characteristics (Ta = 25˚C)

Parameter

Symbol

Supply Current

Reference Voltage

Starting Current

Voltage Variable Characteristics for

Rotating Speed

Time Drift Characteristics for Rotating

Speed

Temperature Variation

Characteristics for Rotating Speed

Output Current Limit Voltage

I4

V2– 1

Ia

|∆NV|

|∆NT|

∆NA *

Vt (1 – 5)

* In case that only IC temperature is changed.

Condition

VCC = 3V

VCC = 3V, R2–1 = 10kΩ

VCC = 1.8V, Ra = 4.9Ω

VCC = 1.8V ~ 4V,

IL = 72mA (1.7g · cm)

VCC = 3V, IL = 72mA,

t = 15s ~ 10min.

VCC = 3V, IL = 72mA,

Ta = –20˚C ~ + 60˚C

VCC = 3V

min.

1.24

250

typ.

1.9

1.32

max.

3

1.40

Unit

mA

V

mA

10 rpm/V

0.1

%

– 0.035

0.6

0.7

%/˚C

0.8

V

s Application Circuit

0.5Ω

10Ω

Motor

M

910Ω

1kΩ

VR500ΩB

–+

2.2µF

VR3kB

10kΩ

1

5

2 AN6612 6

2SA881A

3 AN6612S 7 +

4

8–

0.47µF

–VCC

+VCC

Motor Constants

Ra : Internal resistor = 4.9Ω

Ka : Electromotive force constant = 0.4mV/rpm

KT : Torque constant = 29g · cm/A

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