MC33030P 데이터 시트보기 (PDF) - Motorola => Freescale

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MC33030P

DC Servo Motor Controller/Driver

Motorola => Freescale 

MC33030

Figure 19. Solar Tracking Servo System

≈15°

Offset

R2

VCC

R1

R1, R2 – Cadium Sulphide Photocell

R1, R2 – 5M Dark, 3.0 k light resistance

R3 – 30 k, repositions servo during

R3 – darkness for next sunrise.

9

R3

Servo Driven

Wheel

8 20 k

7

20 k

6

Error Amp

+

–

VCC

Centering

Adjust

1

10 k

Figure 20. Magnetic Sensing Servo System

Linear

Hall

Effect

Sensor

VCC

TL173C

B

9

3.9 k

10 k

Gain

8 20 k

7

20 k

6

Zero Flux

Centering

20 k

VCC

Error Amp

Typical sensitivity with gain set at 3.9 k is 1.5 mV/gauss.

Servo motor controls magnetic field about sensor.

Figure 21. Infrared Latched Two Position

Servo System

VCC

MRD3056

Latch

Drive A

MRD3056

Latch

Drive B

470

39 k

68 k

470

VCC/2

9

8 20 k

7

20 k

1

Error Amp

Over–current monitor (not shown) shuts down

servo when end stop is reached.

Figure 23. 0.25 Hz Square–Wave

Servo Agitator

VCC

100 k

100 k

22

100 k

130 k

+R

C

9

8 20 k

7

20 k

6

Error Amp

[f

0.72

RC

qR 20 k

10

Figure 22. Digital Two Position Servo System

Input

1

0

1 – Activates Drive A

0 – Activates Drive B

VCC

MPS 8 20 k

A20

7

20 k

6

9

Error Amp

Over–current monitor (not shown) shuts down

servo when end stop is reached.

Figure 24. Second Order Low–Pass Active Filter

R

R

Vin

C1 C2

Ǹ1

R2 C1C2

Ǹfo + 2 p

C1

+ C2

Q

2

9

8 20 k

7

20 k

6

Error Amp

R = 1.0 M

C1 = 1000 pF

C2 = 100 pF

MOTOROLA ANALOG IC DEVICE DATA

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