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