
Japan Radio Corporation
■ GENERAL DESCRIPTION
The NJW4303 is a 3-Phase Brushless DC Motor Control pre-driver IC with PWM control. It generates the most optimal current flow patterns by receiving rotor magnetic pole detection signals from hall elements of 3-phase brushless motor.
■ FEATURE
▪ Supply Voltage : 9.0V ~ 35V
▪ PWM Pre Driver : Upper = Pch / Lower = Nch
▪ PWM Control Circuit
▪ Forward / Reverse Detection : Changeable while Roating
▪ PWM Oscillation Circuit : Setting by External Capacitor
▪ Protection Circuit : ILimit, UVLO, TSD, LD
▪ Soft Start Function
▪ Short Brake Function
▪ ON/OFF Function : Stop with S/S Pin
▪ 120º / 60º Phase Difference Change Function
▪ Multi FG Output : 2 bit Input Change Type
▪ Controllable Dead Time Settings
▪ Package : SSOP-32