1500Vdc 12-Cell 2A Passive Balancing BMS Slave Module | ESBMM-1212

The ESBMM-1212 is a BMS slave module designed for high-voltage energy storage systems. It provides high-precision cell-level voltage monitoring for 12 cells and features comprehensive thermal management with 14 NTC (10K) temperature sensors. Equipped with reliable passive balancing control and an ultra-low power DAQ mode (reducing potential current to 10uA or lower), this module ensures long-term operational safety, extends battery life, and complies with stringent international functional safety standards.

 

 

Applications  

Grid-Scale ESS

Ideal for utility-scale energy storage plants.

C&I Storage

Ensures safety and efficiency for Commercial & Industrial microgrids.

Backup Power / UPS

Reliable battery monitoring for data centers and critical facilities.

Renewable Integration

Stabilizes output for solar and wind power generation systems.

  • Product Details

Core Features  

  • Passive & Active balancing control options available.
  • Support cell-level voltage monitoring (up to 112 cells depending on model).
  • Support 14 NTC (10K) temperature monitoring points.
  • Support 1 digital signal output and 1 digital signal input detection.
  • Support active thermal management such as temperature control of cooling or temperature rise to ensure system safety and extend battery life.
  • Support low-power mode DAQ, the potential current in low-power mode can be reduced to 10uA or lower.
  • Meet requirements of 1500Vdc Energy Storage System, comply with GB/T34131, EN/IEC/UL60950, EN/IEC/UL62368, EN/IEC/UL60730, GBT36276, IEC62477 for functional safety and electrical insulation requirement.

Technical Specifications - ESBMM Series  

Type Model Supply Voltage Voltage Series Voltage Range Temp Sensors Temp Range Balancing Current Communication
Level 1 Slave
Passive Balancing
ESBMM-1212-F HV6.0.0 DC24V 12 0-5V 14 -40~125°C 100mA CAN
ESBMM-2412-F HV7.0.1 24 24
ESBMM-3612-F HV7.0.1 36 36
ESBMM-4812-F HV7.0.1 48 48
ESBMM-6012-F HV7.0.1 60 60
ESBMM-1612-F HV7.0.7 / 16 16 Daisy Chain
ESBMM-3212-F HV7.0.7 32 32
ESBMM-4812-F HV7.0.7 48 48
ESBMM-6412-F HV7.0.7 64 64
ESBMM-6412-F HV7.1.0 DC24V 64 64 CAN
ESBMM-B212-F HV7.1.0 112 112
Level 1 Slave
Active Balancing
ESBMM-1222-F HV4.0.6 DC24V 12 0-5V 14 -40~125°C 2A CAN
ESBMM-1622-F HV4.0.6 16 16
ESBMM-2422-F HV4.0.6 24 24
ESBMM-2622-F HV4.0.0 26 26
ESBMM-5222-F HV4.0.0 52 56
ESBMM-A422-F HV5.0.0 104 104

Frequently Asked Questions (FAQ)

 
Q: What communication protocols are supported?

Depending on the specific model, the ESBMM series supports either CAN interface or Daisy Chain communication for highly reliable data transmission.

Q: What is the difference between active and passive balancing models?

Passive balancing models dissipate excess energy as heat (typically 100mA balancing current), while Active balancing models actively transfer energy between cells (up to 2A balancing current), improving overall system efficiency.

Q: How does the module perform in extreme temperatures?

The modules are designed for harsh environments, operating safely within a temperature detection range from -40°C to 125°C.

Q: What happens during standby or low-power states?

The modules support a low-power mode Data Acquisition (DAQ) where the potential current can be reduced to an ultra-low 10uA or lower, minimizing battery drain.

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