njw4303 New Japan Radio Co.,Ltd, njw4303 Datasheet - Page 20

• Manufacturer Part Number: njw4303
• Description: Pwm 3-phase Dc Brushless Motor Controller
• Manufacturer: New Japan Radio Co.,Ltd

NJW4303
- 20 -
TYPICAL APPLICATION CIRCUIT 1
H
H
H
C
FRC
C
VERR
C
OSC
VERR
DEC
OSC
GND
S/S
H1+
H1-
H2+
H2-
H3+
H3-
FRC
FR
BR
N1
N2
TSD
Saw
Oscillator
+
-
+
-
+
-
+
-
FG-OUT
Dead
Time
R
Position
PWM Logic
Decode
Detect
FG
FG
Rotor
Lock
C
ct
+
-
+
C
VREF
VREF
VREF
UVLO
VCC
C
VCC
ILIMIT
UH
VH
WH
VL
WL
UL
+
Lowpass Filter
3Phase Motor
+
S
N
N
VM
GND
S