Touch Fan Controller (BLDC) + Touch IR Remote BS83B16A-3 + BS83A04A-3 Touch Key Flash MCU Characteristics Fan Control – BS83B16A-3 ◆ ◆ ◆ ◆ ◆ ◆ Five Touch Keys : Single power key and four wheel keys 7-segment LED to display 9-step speed IR receiver / Buzzer 9-step speed control using S / W PWM Wheel Key : clockwise to increase speed, counterclockwise to decrease speed Touch Key proximity sensors Remote – BS83A04A-3 ◆ ◆ ◆ Three Touch Keys : Single power key, + Key and – Key Standby Current : < 6A IR transmitter with LED indicator BS83B16A-3 Application Areas BLDC Motor Fan Controller Application Circuit BS83B16-3 Touch Key Fan Controller SEG_A R4 LED D1 PB6 J1 4.7KK 1 U1 HT7350 DCJACK 12V Vin C2 PGND 104 R6 3 Vout D2 LED SEG_C D3 LED SEG_D D4 LED VDD VDD C3 104 GND 1 C1 100UF 2 GND 12V SEG_B C6 47UF PC0 PC1 PC2 PC3 PC4 PC5 PC6 R7 R8 R9 R10 R11 R12 R13 100 100 100 100 100 100 100 PC7 R14 100 SEG_A SEG_B SEG_C SEG_D SEG_E SEG_F SEG_G VDD R1 10K 1 2 3 4 5 ICP Q1 8550 U2 DPY_7SEG 0 GND VDD PA7 PA2/SCK/SCL PA0/SDI/SDA 1 2 3 4 5 6 7 8 9 10 a b c d e f g com dot com R5 PB7 4.7KK R2 VDD J2 10K PGND 12V PA7 PA3/SCS 1 2 3 4 Q2 8550 WHEEL_PAD1 BLDC VDD U4 U3 WHEEL4 WHEEL3 WHEEL2 WHEEL1 4 3 2 1 MODE1 Error : WHEEL_PAD.jpg file not found.PB6 PB7 4KEY_WHEEL PC0 PC1 PC2 PC3 1 2 3 4 5 6 7 8 9 10 11 12 24 PA1/SDO 23 PAN/INT 22 PA3/SCS 21 PA0/SDI/SDA 20 PA2/SCK/SCL 19 PA7 18 VDD 17 VSS 16 PC7 15 PC6 14 PC5 13 PC4 PB0KEY1 PA1/SDO PB1/KEY2 PA4/INT PB2/KEY3 PA3/SCS PB3/KEY4 PA0/SDI/SDA PB4/KEY5 PA2/SCK/SCL PB5/KEY6 PA7 PB6/KEY7 AVDD/VDD PB7/KEY8 AVSS/VSS PC0/KEY9 PC7/KEY16 PC1/KEY10 PC6/KEY15 PC2/KEY11 PC5/KEY14 PC3KEY12 PC4/KEY13 D5 1N4148 C5 VDD BUZZER 104 R15 4.7K C4 104 PA1/SDO U5 Q3 8050 R3 PA4/INT GND VDD 10K BS83B16A_24PIN BS83A04A-3 3Key IR Reomte Controller VDD VDD BATTERY C? 104 CR2032 OR 1.5VX2 D4 C? 10UF R7 PA2 4.7K LED VDD U? VDD VSS PA2 PA0/INT 8 7 6 5 VDD GND PA2 PA0/INT VDD 1 2 3 4 5 D5 LED ICP 2 BS83A04A_8PIN PA4 R5 4.7K 1 C PA4 PA5/KEY1 PA1/KEY2 PA3/KEY3 PA4/KEY4 B E DN 1 2 3 4 3 MODE UP R2 47 J1 Q1 NPN 1 2 3 IR DATA GND VCC