BAS datasheet(1/5 Pages) HONEYWELL

部件名	BAS

功能描述	Battery Safety Aerosol Sensors CAN Communication Output

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制造商	HONEYWELL [Honeywell Solid State Electronics Center]

网页	http://honeywell.com/Pages/Home.aspx

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BAS

SERIES

Battery Safety Aerosol Sensors

CAN Communication Output

DESCRIPTION

The BAS Series are automotive-grade

aerosol sensors that use the principle

of light scattering to detect and report

thermal runaway events in lithium-ion

battery packs. It detects the presence

and concentration of aerosols such as

smoke, liquid and debris that are early

indicators of a thermal runaway event

in an enclosed lithium-ion battery pack.

The BAS Series measures and reports

aerosol concentration from 200 µg/m³ to

10000 µg/m³ using CAN (Controller Area

Network) communication protocol. They

have a factory-programmed, thermal

runaway warning threshold of 5000

µg/m³. These products are designed

to meet higher quality and reliability

requirements. The BAS series is RoHS

compliant.

CUSTOMIZATION

The BAS Series may be customized to

better meet application needs. Solutions

may be tailored to exact specifications

for improved time to market, lower total

system costs and enhanced reliability.

For technical assistance, we provide

global engineering and service support

for your needs.

FEATURES

• High accuracy and low temperature

drift

• CAN communication protocol

• Wake-up output and request input for

high reliability system integration

• Aerosol threshold value of

5000 µg/m³ allows early detection of

thermal runaway events

VALUE TO CUSTOMERS

• Early detection of thermal runaway has

the potential to mitigate the loss of life

and property

• The ECO mode enables continuous

system monitoring in low power mode

• Thermal runaway detection sensor

allows compliance with international

regulations and recommendations

• Solutions may be tailored to exact

specifications for improved time to

market

• Lower total system cost and enhanced

reliability

006003

Issue 1

OPERATING MODES

The sensor function in the following

operating modes:

•

ECO Mode: The sensor operates

in ECO Mode when the request pin

voltage is set to low. The sensor wakes

up for 200 ms and hibernates for

the remaining 12000 ms (typical) to

reduce power consumption during

each measurement cycle of 12200

ms (default value). In ECO Mode,

CAN communication is disabled.

If the sensor detects an aerosol

concentration above the set threshold,

a wake-up signal is sent to the BMS

(Battery Management System) to

initiate a full battery system check.

•

Continuous Mode: The sensor

operates in Continuous Mode when

the request pin voltage is set to high by

the BMS. CAN communication

is enabled in Continuous Mode. In

Continuous Mode, the sensor monitors

and outputs the aerosol concentration

to the BMS using CAN communication.

The sensor may be switched to ECO

Mode by setting the request pin

voltage to low.

NOTE: The sensor default working mode

is ECO mode.

WORKING LOGIC FUNCTIONS

•

Request Signal: The BMS controls

the sensor’s operating mode through

the request pin of the sensor.

•

Wake-up Signal: When the sensor

detects that the aerosol concentration

is above the threshold, the wake-up

pin is set to high to wake up the BMS.

TRANSPORTATION

APPLICATIONS

Battery pack systems for electric vehicles

and energy

The BAS Series joins the

Battery Monitoring Suite.

To view the entire product

portfolio, click here.

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