LG CED-8042B Manual page 26

No. Port Name
8 SIG GND
6 FC
5 VCREF
4 VC
2 WOUT
1 PWR GND
28 VOUT
27 UOUT
23 RF
7 LMC
12 BRAKE
pin and GND to stop closed loop system. oscillation in the current control determines the control start voltage. application pin. This voltage • VC<VCREF - reverse torque collector pin (three phase common). reverse protector.) When this voltage is detected, the Connect a resistor between Vcc3 constant current control and current limiter circuits function. limiter level becomes 1.5X. Connect a capacitor between this (Not reverse rotation, because the except outputs. Characteristics compensation pin.
Voltage Equivalent Circuit Diagram
0V~
Vcc1-1.5V
15m 25m
15m
0V~
Vcc1
4
4
3.9
3.9
VCC1
VCC1
VCC1
VCC1
100m
100 m
100m
VCC1
2k
6
20k 5k
25m 25m 15m
25m 15m
51k
51k
200
200
VCC 2
VCC 2
23
23
VCC 2
3.9
3.9
23
27 28 2
27 28 2
3.9
3.9
27 28 2
1
1
1
RF
RF
5k
5k
RF
RF
5k
5k
15k
15k
7
15k
7k
7k
15k
7k
7k
VCC1
VCC1
VCC1
100m
VCC1
VCC1
75k
75k
100m
1 1
75k
75k
1
50k 1
50k
50k
50k
Description
Ground connection for all Circuit
Control loop frequency
Control reference voltage
VCC1
VCC1
Speed control voltage application
pin. V-type control,
5
5
VC>VCREF - forward and
W phase output pin.
Output transistor GND.
V phase output pin.
U phase output pin.
Upper output NPN transistor
and the RF pin for current detection.
LMC pin connect to GND Current
7
7
LMC
7
• GND –> 1.05 A
OPEN –> 0.7 A
At RF –> 0.33 W
Short brake pin
BRAKE : HIGH –> brake
LOW –> drive
OPEN –> drive
49