Samsung S3F84B8 manual Synchronization Circuit, Cooker

Page 13

S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00

2 HARDWARE IMPLEMENTATION

 

 

2.3 SYNCHRONIZATION CIRCUIT

 

 

 

 

 

 

 

 

 

 

 

+18V

 

 

 

 

 

 

 

 

 

 

 

R28 51R

 

 

 

 

 

 

 

 

 

R22

R21

C28 +

 

 

 

 

 

 

 

 

 

2K

2K

25V/100uF

 

 

 

 

 

COOKER

 

 

D8

Q4

 

 

 

 

 

 

 

 

 

4148

8050

 

 

 

 

 

 

L2

 

 

 

 

 

 

FUSE1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q1

R23 2K

AC_L

 

 

1

 

L3

 

 

R36

 

 

 

 

 

 

 

8050

 

10A/250V

 

 

 

CHOKE

 

 

8550

C23 102

 

 

 

 

 

 

 

 

 

 

 

 

 

C20

 

IGBT

10R

 

Q2

PWM

 

 

-

+

C19

0.24uF/1200V

 

IGBT_CTRL

 

Q5

8050

 

C22

2

4

 

 

FGA15N120

 

C17

 

 

0.1uF/275V

 

 

 

4uF/400V

 

 

 

R37

101

 

R24

 

 

 

BRIDGE

 

 

 

10K

 

1K

 

 

 

 

 

R50

 

 

 

 

 

 

 

D15XB80H18

 

 

 

 

 

 

AC_N

 

 

3

 

 

 

CONSTANTAN

 

 

 

IGBT Driver

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYS_I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R2

 

 

 

 

 

 

 

 

 

 

 

220K/0.5W

 

 

 

 

 

 

 

 

 

 

 

R6

 

 

 

 

 

 

 

 

 

 

 

220K/0.5W

 

 

 

 

 

 

 

 

 

R3

 

R7

 

 

 

 

 

 

 

 

 

470K/0.5W

220K/0.5W

 

 

 

 

 

 

 

 

 

R10

 

R8

 

 

 

 

 

 

 

 

 

470K/0.5W

 

 

 

 

 

 

 

 

 

Sy n_N

 

220K/0.5W

Sy n_P

 

 

 

 

 

 

 

 

 

R25

 

 

 

 

 

 

 

 

 

 

24K

 

 

 

 

 

 

 

 

 

R11

 

R9

 

 

 

 

 

 

 

 

 

5K6

 

2KJ

 

 

 

 

 

 

 

 

 

 

 

IGBT_V_P

 

 

 

 

 

 

 

 

 

 

IGBT over voltage protection

 

 

 

 

 

 

 

 

 

 

R12

 

 

 

 

 

 

 

 

 

 

 

2K7

 

 

 

 

 

Figure 2-3 Power Supply Circuit

2-7

Image 13
Contents S3F84B8 Important Notice Revision History Table of Contents List of Figures List of Tables HOW Induction Cooking Works Induction Cooking PrincipleS3F84B8 KEY Features of S3F84B8Heating System PrincipleProtection Hardware Implementation System Diagram and PIN AssignmentVSS 220 VAC Power SupplyCooker Synchronization CircuitWaveform of the Synchronization Circuit Voltage Measurement Power ControlCurrent Measurement Circuit Current MeasurementSurge Protection System ProtectionIgbt Over Voltage Protection OVER/UNDER Voltage ProtectionShows the circuit diagram for temperature protection Temperature ProtectionPAN Detection Other FunctionsBuzzer and FAN Control KEY and Display Circuit Shows the circuit diagram for key and displaySoftware Implementation State Transition DiagramShows the software diagram Software DiagramInterrupt Service Routine Diagram OPA Internal Resource Arrangement and ConfigurationSchmatic Error CodeSource Code