NJW4308 Datasheet, PDF (1/1 Pages) New Japan Radio – 3 Phase Blush Less DC Motor Controller with Lead Angle

NJW4308
3 Phase Blush Less DC Motor Controller with Lead Angle
■ FEATURE
▪ Supply Voltage
▪ Exciting Angle
▪ Lead Angle Control
▪ PWM Pre-Driver
▪ PWM Control
▪ FG Output
▪ Forward / Reverse Detection
▪ PWM Oscillation Circuit
▪ Hall Bias Circuit
▪ Protection Circuit
▪ Package
: 6.0V ~ 36V
: 150º ( Adjustable )
: 60º 32
: 100mA
: ILIMIT, UVLO, TSD, LD
: SSOP-32
■ PACKAGE OUTLINE
NJW4308V
■ BLOCK DIAGLAM
NJW4308
HB
Hall Bias
H1 +
H1 -
H2 +
H2 -
H3 +
H3 -
Rotor
Position
Decode
4bit A/D Converter
5bit A/D Converter
TSD
VREF
UVLO
FR
FR
BR
Brake
SEL
120º
150º
Control
Logic
VERR
OSC
Ct
RST
CK1
CK2
Saw
Oscillator
Lock
Detect
Clock
Generator
PWM
Logic
VEA
VLA
VREF
VCC
N.C.
UH
VH
WH
N.C.
UL
VL
WL
N.C.
ILimit
GND
FG
　　　　　　　　　 Ver.2010/09/03