BMS Current Sensor-500A

BMS current sensor is based on active technology, with CAN bus digital output. It can be used to measure up to ±500A rated current. Using a proprietary Digital Compensation technology. This product brings the best combination of performance and reliability to EV, PHEV and energy storage system.

Feature and benefits

High accuracy and low temperature drift, help BMS system SOC calculation

Excellent anti magnetic interference, ultra-high over current capability

Excellent anti-interference performance

CAN bus output, convenient for system integration

Multi-output selection, match with different application

Application

Battery management systems for electric vehicles and energy storage

Operate
Electrical connection

Connector: TE MPN 1473672-1

 

Functional Characteristics
Parameter
Symbol
Unit
Specification
 
 
Conditions
 
 
 
Min
Typ
Max
 
Primary Current, Nominal Measuring Range (DC)
Ipn
A
-500
 
500
 
Supply voltage
Uc
V
8
12
18
Full accuracy
Ambient operating temperature
Ta
-40
 
105
 
Error @Ip=0A
Ios
A
-0.05
 
 
+0.05
Temperature range with accuracy guaranteed ± 3sigma
Error @Ip≤20A
XG
A
-0.1
 
0.1
Temperature range with accuracy guaranteed ± 3sigma
Total error
@20A<Ip≤500A
XG
%
0.5
 
+0.5
Temperature range with accuracy guaranteed ± 3sigma
Linearity
εL
%
 
0.1
 
+25℃
Insulation resistance
Ris
 
500
 
500V 1min
Insulation withstand voltage
 
Kv
 
5
 
50Hz 1min

 

Mechanical characteristics

 

Enclosure material: PBT+GF30%

Install bolts: M4 M6

 

Ip(Primary Current Direction)