njw4303 New Japan Radio Co.,Ltd, njw4303 Datasheet - Page 3

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

BLOCK DIAGLAM
VERR
DEC
FRC
OSC
GND
S/S
N1
N2
H1+
H1-
H2+
H2-
H3+
H3-
FR
BR
TSD
Saw
Oscillator
+
-
+
-
+
-
+
-
Ct
Position
PWM Logic
Decode
Detect
Rotor
Lock
FG
Dead
Time
+
-
VREF
VREF
UVLO
VCC
NJW4303
ILIMIT
UH
VH
WH
UL
VL
WL
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