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DRV102 Datasheet, PDF (18/19 Pages) Burr-Brown (TI) – PWM SOLENOID/VALVE DRIVER | |||
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Input
(On/Off)
Speed Control(1)
DRV102
5
+12V
1
2
3
Delay
Adjust
R1
6
Out
4
R2
dc Tachometer
Coupled to Motor
M
T
NOTE: (1) Select R1/R2 ratio based on tachometer output voltage.
FIGURE 19. Constant Speed Motor Control.
+15V
22kâ¦
1nF 100kâ¦
47kâ¦
2N2222
Speed Control Input
0V to +10V
Open circuit will
provide 3.4V
âonâ signal
1
DRV102
5
+40V
6
40kâ¦
2
3
4
M
Delay Adjust
470kâ¦
Frequency In
10kâ¦
+15V
One-Shot
0.5µF
1kâ¦
VOUT
AC
T Tachometer
Coupled to Motor
5nF
â15V
NP0
VFC32
FIGURE 20. DC Motor Speed Control Using AC Tachometer.
®
DRV102
18
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