DC Energy Saving Upright Fan ‒ Sine-wave Control -- HT66FM5230

DC Energy Saving Upright Fan ‒ Sine-wave Control
HT66FM5230
Characteristics
 BLDCM ASSP Flash MCU : HT66FM5230
 Human Machine Interface (HMI) : VR controls speed
 Power : adaptor – input AC 100V ~ 240V, output DC 24V
 Solutions
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Power : DC 8V / 12V / 24V
Motor drive control : SVPWM Sine-wave Control Hall Sensor Solution
Motor speed control : VR stepless speed control
Speed : 200rpm ~ 1000rpm
PCBA : semicircle single panel solution, low cost, best cost performance
 PCBA solution
VR HMI
24V DC
Motor : U, V, W
HT66FM5230
Hall : H1, H2, H3
MOS : U1, U2, U3
System Block Diagram
HT66FM5230 : 3-Phase_BLDCM_Hall Solution (VB = 24V / 12V / 8V)