IP4001 查看數據表（PDF） - Interpion semiconductor
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IP4001 Datasheet PDF : 23 Pages
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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.
VCC1
Level
Shift
50K R1
Speed
Control
20
15
R4
50K R2
R5
16
R3
9
Switching
Logic
14
Pref
Fig5. Tray drive part
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
INPUT
FWD(PIN9)
REV(PIN14)
High
High
High
Low
Low
High
Low
Low
DO5+(PIN15)
Vp
High
Low
Vp
OUTPUT
DO5-(PIN16)
Vp
Low
High
Vp
STATUS
Brake
Forward
Reverse
Brake
August. 2002 (Rev.7)
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