Senba Sensing Technology Co., Ltd.
Intelligent PIR Motion Detector From Senba for Home Security BL612
Intelligent PIR Motion Detector From Senba for Home Security BL612

Intelligent PIR Motion Detector From Senba for Home Security BL612

Overview

PIR (Passive Infrared Detector) are used to detect motion object like human movement. All the PIR sensor must work with Fresnel Lens, this version can detetc more than 10 meters. It can support long rang and wide angle.


Features

  • Lead-free Pyroelectric Elements

  • Digital signal processing(DSP)


Technical Data

1. Maximum Ratings

Characteristics

Symbol

Min. Value

Max. Value

Unit

Remarks

Working Temperature

TST

-20

85


Max.current for pin

Into

-100

100

mA


Storage Temperature

TST

-40

125



2.Working Conditions (T=25°C, Vdd=3V,Except other requirements)

Characteristics

Symbol

Min.

Type

Max.

Unit

Remarks

Supply Voltage

VDD

2.2

3

3.7

V


Working Current

IDD

9

9.5

11

μA


Sensitivity

VSENS

90


2000

μV


Output REL


Output Low Current

IOL

10



mA

VOL<1V


Output High Current

IOH



-10

mA

VOH>(VDD-1V)


Lock time

TOL


2


s

No adjust


On-time

TOH

2


3600

s



SENS/ONTIME


Input voltage


0


VDD/2

V

0V-VDD/2


Input Bias Current


-1


1

μA



OEN


Input Low Voltage

VIL

0.8V-1.2VV Enable area

0.8

V



Input High Voltage

VIH

1.2



V



Input Current

II

-1


1

μA

VSS<VIN<VDD


Oscillator & Filter


Low pass filter cut-off frequency




7

Hz



High pass filter cut-off frequency




0.44

Hz



Oscillator frequency on Chip

FCLK



64

kHz



Interior Block Diagram

BL612 Interior Block Diagram.jpg



BL612 specification.jpg


Application

  • Intelligent security- burglar alarm

  • Wireless infrared detection alarm, uses advanced signal analysis and processing technology. When the intruder enters through the detection area, it sends alarm signal to control panel.

  • The PIR sensor is suitable for home, residential area, factory, shopping mall, warehouse, and offices.


FAQ

1.Can PIR sensor detect animals?

PIR sensors are excellent in human and animal detection. They are mostly used in triggering an intruder alarm and activate household appliances upon the presence of a human.

 

2.Do PIR sensors work through glass?

No, alarm motion sensors do not work through glass. Most motion sensors use passive infrared (PIR) technology to detect motion. Changes in IR energy are not easily detected through glass. This is why motion sensors will generally not work through windows, which are usually insulated.


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