Datasheet

14
LTC1255
TYPICAL APPLICATIO S
U
H-Bridge DC Motor Driver
(Direction and ON/OFF Control)
V
S
DS1
LTC1255
G2
GND

IN2

G1
DS2IN1
100k
1N4148
1N4148
100k
12V
MMBZ5242B
0.036Ω
MTD3055E
12V
MMBZ5242B
MTD3055E
DC MOTOR
1N4148
100k
MTD3055EL
1N4148
100k
MTD3055EL
5V
1/4 74C02
1/4 74C02
1/4 74C02
DISABLEDIRECTION
9V TO 24V
0.33µF
100k
10µF
50V
+
LTC1255 • TA11
High-Side DC Motor Driver With Electronic Braking and
Stalled Motor Shutdown
30k
30k
+
100µF
V
S
DS1
LTC1255
G2
GND

IN2

G1
DS2
IN1
1/4 74C02
5V
1/4 74C02
RUN/COAST
BRAKE
18V
0.47µF
100k
12V
1N5242B
IRFZ34
0.02Ω
1Ω*
IRFZ34
12V
1N5242B
1N5400
18V
DC MOTOR
*SIZE RESISTOR TO DISSIPATE ENERGY
REGENERATED BY MOTOR DURING BRAKING.
LTC1255 • TA12