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LS8397 Datasheet(PDF) 7 Page - LSI Computer Systems

Part # LS8397
Description  STEPPER MOTOR CONTROLLER
PDF  8 Pages
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Manufacturer  LSI [LSI Computer Systems]
Direct Link  http://www.lsicsi.com
Logo LSI - LSI Computer Systems

LS8397 Datasheet(HTML) 7 Page - LSI Computer Systems

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8397-040609-7
FIGURE 6. TYPICAL APPLICATION SCHEMATIC FOR A FOUR-PHASE
UNIPOLAR MOTOR USING DISCRETE MOSFET TRANSISTORS
NOTE: Q1, Q2, Q3, Q4 are MOSFET Power Transistors suitable for 5V Gate Drive
Typical P/Ns = IRLZ44N and IRF3708
20
10
21
15
23
16
MCU
LS8397
+5V
ENABLE
STEP
FRD/REV
VDD
2
VSS
RESET
OSC
17
18
SENSE2
4
5
PHA
PHB
INH1
6
SENSE1
8
9
7
PHC
PHD
INH2
V M
VM
1
2
3
74HC08
74HC08
4
5
6
9
10
12
13
8
Q1
Q2
Q3
Q4
11
HALF/FULL
CONTROL
24
22
+5V
R
C
11 RC
CT_EN
RS =
V RS
I max
13
VREFh
14
VRH
VREFs 19
VRS
3.3nF
22k
RS =
V RS
I max



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