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LS7560 Datasheet(PDF) 4 Page - LSI Computer Systems

Part # LS7560
Description  BRUSHLESS DC 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

LS7560 Datasheet(HTML) 4 Page - LSI Computer Systems

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S
Q
S
R
Q
OSC.
SENSOR
Inputs
F/R
ENABLE
In
RC In
TACHOMETER
Out
VR
_
ERROR
AMP
_
PWM
GEN.
VR/2
FREQUENCY
TO
PULSE WIDTH
CONVERTER
DECODER
SEQUENCE
SELECT In
REFERENCE
GENERATOR
EDGE TRIGGERED
DELAY
FAULT INDICATOR Out
PWM CONTROL
In
BRAKE In
O1
O2
O3
O6
O5
O4
TOP DRIVER
POLARITY SELECT In
TOP
DRIVER
Outputs
BOTTOM
DRIVER
Outputs
+
_
+
+
+
_
BRAKE SELECT
FIGURE 2. LS7560/LS7561 MOTOR CONTROLLER BLOCK DIAGRAM
OVERCURRENT
SENSE In
17
16
15
14
13
12
22
23
8
6
7
5
4
2
27
VR
26
24
19
25
10
11
9
NC FOR LS7560
VDD FOR LS7561
20
21
3
1
7560/61-030599-4
R
VDD
VSS
28
18
INTERNAL BOND PAD
+
100mV
-
VR VR
VR
VR
VR
VR
VR
LOW VDD
DETECT
VDD
SWITCH
VDD
SWITCH
VDD
VR
CONTROL
CONTROL
VDD
VDD
VDD
VDD
VDD
VDD
LOW VR DETECT
ERROR AMP (-)
ERROR AMP (+)
ERROR AMP Out
OSCILLATOR
+V
-V
SWITCH



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