Touch Fan Controller (BLDC)+ Touch IR Remote BS83B16A-3 + BS83A04A-4 BLDC Driver HT45FM30 Characteristics Touch Key Flash MCU : BS83B16A-3 24SSOP ◆ ◆ ◆ ◆ ◆ ◆ ◆ Operating Voltage : 2.7V ~ 5.5V 16 touch key functions / Flash Program Memory : 2K16 RAM Data Memory : 2888 / EEPROM Memory : 648 I2C and SPI interfaces Low voltage reset function High current LED driver Minimal number of external components Touch Key Flash MCU : BS83A04A-4 10MSOP ◆ ◆ ◆ ◆ ◆ Operating Voltage : 2.2V ~ 5.5V 4 touch key functions / Flash Program Memory : 1K16 RAM Data Memory : 968 Low voltage reset function Minimal number of external components Application Areas Fan Control (BLDC) Touch Key Flash MCU Application Circuit BS83B16-3 Touch Key Fan Controller 2 12V Vin C2 PGND Vout 104 R6 SEG_A VDD VDD 3 C3 104 GND 1 C1 100UF HT7350 GND DCJACK 12V PB6 4.7KK D2 LED SEG_C D3 LED SEG_D D4 LED SEG_B C6 47UF 0 VDD R4 LED D1 J1 VDD R1 10K GND VDD PA7 PA2/SCK/SCL PA0/SDI/SDA 1 2 3 4 5 Q1 8550 ICP U4 U2 DPY_7SEG D5 1N4148 C5 BUZZ 104 PA1/SDO Q3 8050 R3 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 10K 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 J2 PGND 12V PA7 PA3/SCS VDD 10K 1 2 3 4 BLDC Q2 8550 WHEEL_PAD1 Cannot open file D:\BestSolution\project\201 2_Seminar\REFERENCE\W HEEL_PAD.jpg WHEEL4 WHEEL3 WHEEL2 WHEEL1 U3 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 MODE1 PB6 PB7 PC0 PC1 PC2 PC3 4KEY_WHEEL PB0KEY1 PB1/KEY2 PB2/KEY3 PB3/KEY4 PB4/KEY5 PB5/KEY6 PB6/KEY7 PB7/KEY8 PC0/KEY9 PC1/KEY10 PC2/KEY11 PC3KEY12 24 23 22 21 20 19 18 17 16 15 14 13 PA1/SDO PA4/INT PA3/SCS PA0/SDI/SDA PA2/SCK/SCL PA7 AVDD/VDD AVSS/VSS PC7/KEY16 PC6/KEY15 PC5/KEY14 PC4/KEY13 PA1/SDO PAN/INT PA3/SCS PA0/SDI/SDA PA2/SCK/SCL PA7 VDD VSS PC7 PC6 PC5 PC4 VDD R15 4.7K C4 PA4/INT GND VDD 104 BS83B16A-3 24PIN BS83A04A-4 3Key IR Remote Controller VDD VDD VDD D4 R1 PA2 4.7K BATTERY LED C2 10UF C1 104 CR2032 OR 1.5V X 2 J1 VDD U1 UP MODE DN PA4 1 2 3 4 5 VSS PA2 PA0/INT PA6 PA7 ICP PA4 R2 B E 4.7K 1 C BS83A04A-4_1OMSOP 10 9 8 7 6 D2 LED 1 2 3 4 5 2 VDD PA5/KEY1 PA1/KEY2 PA3/KEY3 PA4/KEY4 VDD GND PA2 PA0/INT R3 47 Q1 NPN 1 2 3 U5 IR DATA GND VCC 3