BLDC Kitchen Extractor − Sine-wave Control HT66FM5240 Characteristics BLDCM ASSP Flash MCU : HT66FM5240 Human Machine Interface (HMI) : VR used for speed control Input power : AC 220V / 110V at max. 250W Solutions ◆ ◆ ◆ Power : AC 220V / 110V to DC 300V / 155V Motor drive control : SVPWM sine-wave control with hall sensor solution Speed : 700rpm ~ 2100rpm PCBA : IPM solution, higher integration, best cost performance 300V / 155V to 15V Human Machine VR Interface Hall sensor input HT66FM5240 AC 220V / 110V Application Areas Motor : U, V, W Rectifier High Voltage IPM Block Diagram Application Circuit +15V D2 ZD20V D10 4007 R20 1K Q1 2SC1623 RLY1 ACL U3 RELAY 1 NR1 1 BG1 AC + VDC 3 C20 Y2-2200pF 1 RV1 1GK471 ACN F1 AC - C24 330uF/450V 4 CT BT AT CB CB BB BB AB AB GBU606/6A/600V C21 Comment: Y2-2200pF 1 R4 C22 0.1uF/630V FUSE1 N 2 R5 R6 R7 R8 R13 470R +5V 14 1 R3 1K 3 5 9 11 13 C3 C4 103 103 103 1Y 2A 2Y 3A 3Y 4A 4Y 5A 5Y 6A GND 7 C2 1A VCC R2 1K 6Y 2 HC 4 HB 6 HA DET_VDC 12 VR +5V DET_VDC 1 VR PA6/AN0 2 3 4 FG 4 5 6 7 8 AT D D D D VDD S S 1 2 U4 VIPER22AS C25 223 D6 ZD13V/0.5W 7 8 AB 1K RELAY6 FG 4148 VDC 3 AB 9 AT 10 C16 D3 47uF/35V 104 ZD20V U V J2 37 W V J3 1 1 40 LS3B U 35 W C19 104/630V/MEF 100R C12 104 R16 0.01/1W C18 102 PA7/AN1 PA4/C2P VSS PA3/C1P VDD PB3/C1N PA1/AP PA2/PGC PB0/HAO PA0/PGD PB1/HBO PC5/CT PB3/HCO PC4/CB PC0/AB PC3/BT PC1/AT PC2/BB 20 HC 19 HB 18 HA 17 HC HB HA C5 104 FO FO 16 15 14 CT 13 CB 12 BT 11 BB FG +5V FG R18 1K R17 1K PC1 PC817 J4 R15 D9 ZD18V/0.5W C17 47uF/35V 3 VI GND 2 100R ICSP VDC CB BT R10 1M BB +5V V0 1 1 2 FG_PIN CT DET_VDC U5 78L05 FG1 1 2 3 4 D4 ZD5.1V +15V C27 47uF/35V PA5/C3P HT66FM540/20SSOP D8 SF17 L1 1mH D7 SF17 W2 1 C8 U2 10 RELAY FB V2 J1 30 31 HA 8 C1 C13 104 28 VBB VB1B U HB 5 R19 26 V1 R14 C11 104 104 C26 10uF/50V VCC1 COM1 HIN3(W) HIN2(V) HIN1(U) SD LS1 OCL LIN3(W) LIN2(V) LIN1(U) COM2 VCC2 FO OCP LS2 LS3A C7 104 21 23 24 VB3 W1 +15V HC U1 74HC14 D5 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 VB1A LED1 FAIL FO 1 2 3 4 5 HALL_WAFER FO VB2 V VDC SIM6822M +5V HALL R9 10K 10K 10K 10K 10K 10K +5V R1 1K 20 19 R12 0R 100R/5W EARTH CT BT AT RELAY12V L E D1 C14 C6 ZD20V 47uF/35V 104 +15V RELAY C15 47uF/35V R21 1K C28 220uF/16V LED2 POWER LED R11 10K C10 104 DET_VDC