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STCC05-B

HOME APPLIANCE CONTROL CIRCUIT

October 2004

REV. 1

BUZZER

R

S

POWER RELAYS

COMPRESSOR RELAY

V

PS

MCU

/RS

T

NMI

C

UP

PWM

C

DD

V

DD

V

PS

AC Line

STCC05

V

PS

SMPS

SPEED

SENSOR

V

PS

JP

R

INS

BUZZER

DRIVER

V

PS

V

PS

V

PS

RELAY DRIVER

RELAY DRIVER

RELAY DRIVER

20A RELAY

DRIVER

V

PS

V

PS

5V REGULATOR

RESET

LEVEL SHIFTER

EMI FILTER

30µs FILTER

ZERO VOLTS SYNC.

V

PS

RST\

OUT

S

IN

BZ

IN

3

IN

4

IN

1

IN

2

ZVS

V

DD

EN

BZ

COM

BZ

1

V

PS

IN

S

SYN

RL

1

RL

2

RL

3

RL

4

BZ

2

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

V

PS

RST\

OUT

S

IN

BZ

IN

3

IN

4

IN

1

IN

2

ZVS

V

DD

EN

BZ

RST\

OUT

S

IN

BZ

IN

3

IN

4

IN

1

IN

2

ZVS

V

DD

EN

BZ

COM

BZ

1

V

PS

IN

S

SYN

RL

1

RL

2

RL

3

RL

4

BZ

2

COM

BZ

1

V

PS

IN

S

SYN

RL

1

RL

2

RL

3

RL

4

BZ

2

DIP-20

Table 1. Order Code

Part Number

Marking

STCC05-BD4

STCC05-B

APPLICATIONS

FEATURES

7 to 18V

50mA output current

hysteresis (3.75V Hi, 3.4V Lo)

Synchronization

ing diode

BENEFITS

Figure 1: STCC05 based Air Conditioner application diagram