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NJW4303 Datasheet(PDF) 7 Page - New Japan Radio

Part # NJW4303
Description  PWM 3-PHASE DC BRUSHLESS MOTOR CONTROLLER
PDF  28 Pages
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Manufacturer  NJRC [New Japan Radio]
Direct Link  http://www.jrc.co.jp/eng/index.html
Logo NJRC - New Japan Radio

NJW4303 Datasheet(HTML) 7 Page - New Japan Radio

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NJW4303
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PIN / CIRCUIT OPERATIONAL DEFINITION
Hall Input Pin Input Common-Mode Voltage Definition
Hall Input Hysteresis Voltage Definition
(Hall Amp Block)
(Hall Amp Block)
Input pins thresh operational Definition
FR Dead Time Definition (FR Dead Time Block)
(FR, BR, N1, N2, DEC, S/S PIN)
Oscillation Frequency Definition(Oscillation Bloc)
PWM 100% Sensory Voltage / PWM 100% Sensory Voltage Definition (Error Amplifier Block)
0V
VIN
5V
2.0V
0.8V
HIGH Level Voltage
Undefined
LOW Level Voltage
2V
TIME t
0.8V
V
VREF
V
FRC
V
FR
TIME t
tDFRC1
tDFRC2
ROTATING
DIRECTION
RVS
(REVERSE)
RVS
(REVERSE)
FWD
(FORWARD)
STOP
STOP
3.5V
0V
VICMIH
V
OSC
Time t
t
CHGOSC t
DCHGOSC
BOSC
V
POSC
V
V
VERR
Full speed ( = PWM 100%)
stop ( = PWM 0%)
variable speed control
V
OSC
V
VERR
V
OSC
VIH
0V
3.5V
∆V
HYSIH
LOGIC INVERSION
LOGIC INVERSION



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