LT1158CS LINER [Linear Technology], LT1158CS Datasheet - Page 18

• Manufacturer Part Number: LT1158CS
• Description: Half Bridge N-Channel Power MOSFET Driver
• Manufacturer: LINER [Linear Technology]

LT1158
18
TYPICAL APPLICATIONS
PWM CONTROLS
LT1158 INPUTS
SHUTDOWN
(FREE RUN)
STOP
PWM
5V
1N4148
ENABLE
FAULT
INPUT
Figure 15. High Efficiency 6-Cell NiCd Protected Motor Drive
+
+
LT1158
U
10 F
1 F
Figure 16. 3-Phase Brushless DC Motor Control
0.01 F
1k
1
2
3
4
5
6
7
8
V
+
BOOST DR
V
BIAS
ENABLE
FAULT
INPUT
GND
B GATE FB
+
A
COMMUTATING LOGIC
LT1158
T GATE DR
B GATE DR
T GATE FB
T SOURCE
SENSE
SENSE
BOOST
ENABLE
FAULT
INPUT
LT1158
V
Q1, Q2: IRLZ44 (LOGIC-LEVEL)
R
+
–
+
S
: DALE TYPE LVR-3
16
15
14
13
12
11
10
9
ULTRONIX RCS01
15
15
BAT85
V
+
B
0.1 F
+
–
Q2
Q1
R
0.015
START CURRENT
= 25A MINIMUM
S
ENABLE
FAULT
INPUT
LT1158
+
100 F
POSITION FEEDBACK
CONTROLS LT1158
ENABLE INPUTS
NOMINAL
LT1158 F15
V
7.2V
+
C
1158 F16