BLDC Kitchen Extractor ‒ Sine-wave Control HT66FM5230 Characteristics BLDCM ASSP Flash MCU : HT66FM5230 Human Machine Interface : VR controls speed Input Power : AC 220V / 110V @ Max. 250W Solutions ◆ ◆ ◆ ◆ Power : AC 220V / 110V to DC 300V / 155V Motor drive control : SVPWM Sine-wave Control Hall Sensor Solution Motor speed control : VR stepless speed control Speed : 700rpm ~ 2100rpm PCBA Solution Motor : U, V, W High Voltage IPM Human Machine VR Interface Motor : U, V, W HT66FM5230 AC 220V / 110V 300V / 155V to 15V AC 220V / 110V to DC 300V / DC155V System Block Diagram Three Phase BLDC Hall Sensor Solutions AC220V / 110V L N +DC 300V / 155V Bridge Rectifier VI BUCK VO +15V VI GND VO +5V GND +15V +5V 7805 +300V / 155V Motor VDD/AVDD Hall O/P VB Voltage Detect Speed Control Speed Out C1+/HA/IO C2+/HB/IO C3+/HC/IO AN0/IO HT66FM5230 (20SSOP) AT/IO AB/IO BT/IO BB/IO CT/IO CB/IO IPM AN1/TCK/IO SCK/IO SDA/IO IS/AN2/IO VSS/AVSS RS Hall O/P (x3)