S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00

2 HARDWARE IMPLEMENTATION

 

 

In Figure 2-1, SMPS stands for Switch Mode Power Supply. It provides +18V DC and +5V DC to the system. Three out of four comparators are used in this solution: one for synchronization circuit and other two for surge protection and IGBT over-voltage protection.

Table 2-1 shows the pin assignment while using S3F84B8 in IH cooker system.

Table 2-1 S3F84B8 pin assignment in IH cooker system

Pin No.

Pin Names

Pin Type

Pin Assignment

1

VSS

I

Ground

 

 

 

 

 

 

 

20

VDD

I

Power input

 

4

P0.2

-

Reserved

 

2

P0.0

O

Display Board

 

DIO

 

 

 

Connector

 

 

3

P0.1

O

 

CLK

 

 

7

P0.5

O

 

 

STB

8

P0.6

O

Reserved

 

 

 

 

 

 

13

P2.1

O

Reserved

 

5

P0.3/BUZ

O

Buzzer and Fan control

 

6

P0.4/PWM

O

IGBT control

 

 

 

 

 

 

9

P1.0/CMP0_P

I

Synchronization control

 

10

P1.1/CMP0_N

I

 

 

 

11

P1.2/CMP1_N

I

IGBT over-voltage protection

 

 

 

 

 

 

16

P2.4/CMP2_N

I

Surge protection

 

17

P2.5/ADC5

I

System voltage measurement input

12

P2.0/ADC0

I

IGBT temperature sensor input

 

 

 

 

 

 

19

P2.7/ADC7

I

Pan temperature sensor input

 

18

P2.6/ADC6

I

Amplified current signal input

 

14

P2.2/OPA_N

I

System current measurement input

 

 

 

 

 

15

P2.3/OPA_O

O

Operational Amplifier output

 

2-5

Page 11
Image 11
Samsung S3F84B8 manual Vss