LT1158CS View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1158CS' PDF : 20 Pages View PDF
LT1158
TYPICAL APPLICATIONS
STOP
(FREE RUN)
1N4148
PWM
1
BOOST DR
16
BOOST
2 V+
0.01µF
10µF
3 BIAS
15
T GATE DR
14
T GATE FB
4
ENABLE
13
T SOURCE
1µF
1k 5 FAULT
LT1158 SENSE+ 12
6
INPUT
SENSE– 11
7
GND
V+ 10
8 B GATE FB
9
B GATE DR
BAT85
15Ω
15Ω
0.1µF
7.2V
NOMINAL
100µF
Q1
+
START CURRENT
= 25A MINIMUM
RS
0.015Ω
–
Μ
Q2
Q1, Q2: IRLZ44 (LOGIC-LEVEL)
RS: DALE TYPE LVR-3
ULTRONIX RCS01
Figure 15. High Efficiency 6-Cell NiCd Protected Motor Drive
LT1158 F15
LT1158
ENABLE
FAULT
V+
φA
5V
INPUT
LT1158
ENABLE
FAULT
INPUT
V+
φB
V+
LT1158
ENABLE
FAULT
φC
INPUT
SHUTDOWN
PWM CONTROLS
LT1158 INPUTS
COMMUTATING LOGIC
Figure 16. 3-Phase Brushless DC Motor Control
POSITION FEEDBACK
CONTROLS LT1158
ENABLE INPUTS
1158 F16
18
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