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2016-09-12

PIR CONTROLLER

FOR DC/AC APPLICATIONS

PIR CONTROLLER

M7621

一華半導體股份有限公司

MOSDESIGN SEMICONDUCTOR CORP.

APPLICATION CIRCUIT

AC Application Circuit

DC Application Circuit

* All specs and applications shown above subject to change without prior notice.

R8

47K

684/275V

100R/1W

M7621

TEST

TTEST

RETRIG

PIRIN

PWM

RELAY

VSS

VDDA

SWIN

CDS

TCOMP

BRIGHT

FADE

SENS

ON_TIME

CDS

VDD

(L)

(N)

1

16

8

9

PIR

D

S

G

RELAY

HT7144

100uF/50V

C3

Z1

R6

1K

Q1

8050

0.1uF

C5

C4

22uF/25V

Lamp

R2

VR1

VR2

R1

R3

NTC

R4

R5

VR3

12V

DB1048

C6

R7

68K

22K

22K

20K

22K

180K

22K

22K

IN4148

D1

B1

LDO

470nF

C1

NTC : 47KΩ, β = 4500

It is desirable to increase the sensitivity of a sensor unit around 37ºC.

1M

RETRIG = VDD：Retrigger

= VSS：Non-Retrigger

470nF

47K

M7621

TEST

TTEST

RETRIG

PIRIN

PWM

RELAY

VSS

VDDA

SWIN

CDS

TCOMP

BRIGHT

FADE

SENS

ON_TIME

CDS

VDD

1

16

8

9

PIR

D

S

G

RELAY

HT7144

10uF

R6

1K

Q1

8050

0.1uF

C5

C4

10uF

C1

R2

VR1

VR2

R1

R3

NTC

R4

R5

VR3

68K

47K

47K

20K

47K

180K

22K

22K

IN4148

D1

LDO

VR3

47K

VR4

47K

R8

1K

Q2

8050

C3

9V/12V

D2

SN4007

NTC : 47KΩ, β = 4500

It is desirable to increase the sensitivity of a sensor unit around 37ºC.

RETRIG = VDD：Retrigger

= VSS：Non-Retrigger