NJW4381 Datasheet, PDF (1/1 Pages) New Japan Radio – NJW4381

NJW4381
Dual H Bridge Driver
■ FEATURE
■ PACKAGE OUTLINE
▪ Supply Voltage
: V_MM = 8.0V ~ 38V
▪ Peak Output Current
: I_O = 1500mA / ch
▪ Uninterrupted Output Current : I_O = 700mA / ch
▪ On Resistance
: R_O = 1.0Ω ( typ. )
▪ Quiescent Current
: I_DD = 500μA ( typ. )
▪ Input control method select ( Mode Select ) function
2 Input Control / Phase & Enable Control
NJU7385VC3
▪ Standby Function
▪ Constant Current Control
▪ PWM Function
: Analog / Direct PWM Input
■ BLOCK DIAGRAM
VMM1
▪ Protection Circuit
▪ Package
: UVLO, TSD,
OCP (Upper Arm)
: SSOP32
NJW4381
UVLO
STB
VREF TSD
OCP
OUT1A
IN1A
1
OUT1B
IN1B
MS
Control
Logic
UVLO Protection
TSD Control
SENSE1
ALARM1
VMM2
IN2A
1
IN2B
OCP
OUT2A
OUT2B
VPWM1
OSC
Saw
Oscillator
VPWM2
GND
UVLO Protection
TSD Control
FF
Local
Oscillator
FF
SENSE2
ALARM2
C1
VR1
C2
VR2
　　　　　　　　　 Ver.2010/09/03