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52 Strings (BMU)

Max 52-str voltage sampling
Max 56-str temperature sampling
Max 8pcs BMU can be connected via isoSPI

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Features
High Compatibility
Compatible with various types of batteries: LFP, NCM, LTO, etc
01
Active Equalization
It supports a maximum balance current of 5A to realize power transmission between adjacent cells, and has a regular self-test function
02
Passive balancing
Supports a maximum of 80mA balancing current
03
isoSPI Communication
The BMU transmits data to the BCU via isoSPI and up to 30 BMUs can be connected in one isoSPI link
04
RS-485 Communication
BMU and BCU communicate for updates, fan control/diagnostics, automatic address assignment, and more
05
Authentication
All plastic parts are UL-94V0 flammable rating Comply with 1500V safety regulations, support 1500V system UL certification
06
High Compatibility
Compatible with various types of batteries: LFP, NCM, LTO, etc
01
Active Equalization
It supports a maximum balance current of 5A to realize power transmission between adjacent cells, and has a regular self-test function
02
Passive balancing
Supports a maximum of 80mA balancing current
03
isoSPI Communication
The BMU transmits data to the BCU via isoSPI and up to 30 BMUs can be connected in one isoSPI link
04
RS-485 Communication
BMU and BCU communicate for updates, fan control/diagnostics, automatic address assignment, and more
05
Authentication
All plastic parts are UL-94V0 flammable rating Comply with 1500V safety regulations, support 1500V system UL certification
06
Product Parameters

BMU-B31-12-204

BMU-B31-16-104

BMU-B31-24-204(A)

BMU-B31-52-504

Max cell string

12

16

22

52

Cell voltage sampling range

0-5V

Voltage sampling point

12

16

22

52

Temperature sampling point

14

19

28

56

Balance

Active balance: 2.5A (default)

Passive balance: 80mA

Active balance: 2.5A (default)

Passive balance: 100mA

Active balance: 2.5A (default)

Passive balance: 120mA

Fan

Support max 2-ch fan

N/A

Support max 2-ch fan

Nominal working voltage

1500V

Working power

240mW

Isolation 

100MΩ

Communication

RS-485, isoSPI

2-ch HSD output

2-ch I/O output and input

RS-485, isoSPI

 

RS-485, isoSPI

2-ch I/O output and input

Certification

UL94-V0

Meet UL certification


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8-16F, Zhejiang Science and Technology Industry Building, No. 80 Gucui Road, Xihu District, Hangzhou City

Copyright © Copyright 2022 Hangzhou Xieneng Technology Co., Ltd.
Zhejiang ICP Preparation No. 18046412