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IP4001

5-CH MOTOR DRIVE IC

APPLICATION SUMMARY (Continued)

- Tray motor drive part

CH5 is a forward-reverse control DC motor driver and it is composed of logic control part,

level shifter, and output power amp.

Pref

Switching

Logic

Level

Shift

Speed

Control

R1

R2

R3

R4

R5

20

9

14

15

16

VCC1

50K

50K

The forward and reverse rotation is controlled by pin9(fwd), pin14(rev) and the amplitude of the

output voltage is controlled by pin20(CTL).

The output status due to the input conditions are as follows

Fig5. Tray drive part

INPUT

FWD(PIN9)

REV(PIN14)

DO5+(PIN15)

DO5-(PIN16)

STATUS

High

High

Vp

Vp

Brake

High

Low

High

Low

Forward

Low

High

Low

High

Reverse

Low

Low

Vp

Vp

Brake

OUTPUT