Features of 48V Smart Fan Brushless DC motor controller driver:
● Single voltage supply in the range of VS = 12V, 24V, 48V, 56V
● Sleep Mode Current less than 50µA
● Gate drive circuit for three external NMOS half bridges (B6 bridge)
● Bootstrap supply for highside drivers
● Adjustable slew rate control
● PWM Frequency up to 60KHz
● Bootstrap under voltage detection and shutdown
● Protection against over voltage, under voltage, and over temperature
● Three comparator inputs to used for Hall or back EMF signals LIN interface
●MSP430 binary compliant CPU core (EL16)
● 60KByte Flash version – 10KByte ROM version
● On-chip oscillator / external crystal oscillator
● Watchdog / 16 bit timer / interrupt control unit
● Temperature range:
– 40°C to + 125°C / Flash version
– 40°C to + 150°C / ROM version
● QFN 9x9 64 package
Application of 48V Smart Fan Brushless DC motor controller driver:
Internal rotor Brushless DC Motor -BLDC Motor with motor controller