Senba Sensing Technology Co., Ltd.
BQ304 Quad Elements Type Passive Infrared Sensor from Senba Factory
BQ304 Quad Elements Type Passive Infrared Sensor from Senba Factory

BQ304 Quad Elements Type Passive Infrared Sensor from Senba Factory

Overview

Quad Elements  motions sensor is widly used for ceiling light, corridor. The product is a type of intelligent PIR sensor which integrates digital control.

Senba is the specialist PIR manufacturer for more than 15 years. We are the most advanced factory with complete categories. With strong R&D center, there are digital type and analog type, dual elements and four elements for you choose. The market cover domestic market, Korean, Amertica, Turkey and Europe. 


Feature

Simplified Circuitry with Fully Integrated Sensor

Robust Design Against False Starts 


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

2.7

V

IR=0.5mA

Working Current

IDD

9

9.5

11

μA


Sensitivity

VSENS


90


μA


Output REL

Output Low Current

IOL

10



mA

VOL<1V

Output High Current

IOH



-10

mA

VOL>(VDD-1V)

Lock time

TOL


2


s


On-time

TOH

2



s


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


Internal Diagram

BQ304_internal_diafram.jpg



Applications

Ceiling Light 

The PIR motion sensor adopts high-performance infrared detector. As long as human cross through its detection range, the infrared switch generates an electrical signals.

 

FAQ

1.How long do motion sensor lights stay on?

Most people set their motion detection lights so they will stay on for about one to two minutes.

 

2 . How do you ensure good product quality?

We have a complete quality control system; all of our products are fully checked by IQC, OQC departments before ship to our clients.

 


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FAQ