STAFL SYSTEMS
Battery Management
Systems

A BMS that harnesses today’s most sophisticated battery technology.

Today’s advanced lithium-ion batteries don’t just plug in to existing systems. They require sophisticated management systems that ensure proper charging and discharging for long-term, reliable operation. Stafl Systems has engineered world-class BMS products, intended to be integrated into a battery pack design, to meet these performance demands.

UNRIVALED ACCURACY

The Stafl Systems modular BMS1000 Series Battery Management System consists of one BMS Master Module and an application-specific number of BMS Monitor Modules.

Distributed Battery Management System

1X Master BMS Unit

  • Communicates with outside system via CAN 2.0B
  • Manages pre-charging and contactors
  • Monitors pack voltages

1-64X Monitor BMS Units

  • Measures cell voltages and temperatures
  • Balances cells
  • Communicates with Master BMS via internal data link

Countless Applications

High Voltage Electric Vehicle

HIGH VOLTAGE

While a vehicle’s power system sees a battery pack as a single, high-voltage battery—charging and discharging the entire battery pack at once— the battery management system must consider each cell group’s condition independently.

Low Voltage Aerospace

LOW VOLTAGE

The Stafl Systems BMS will continuously monitor important battery parameters for low voltage applications, while handling the varying power demands of the different operations and optimizing the usage of the battery.

Large Scale Energy Storage Systems

LARGE SCALE SYSTEMS

The service life of a battery pack is tied to the weakest cell group in the system. In the balancing process, each of the cells within the string is maintained at optimal voltage levels, maximizing battery pack performance and cycle life.

Precise Engineering

Features

  • Scalable from 12 to 256 Series Cells
  • Temperature Sensor for Each Cell Group
  • Supports up to 1000V Systems
  • Low Steady State Cell Voltage Measurement Error (<2.0 mV)
  • Individual Cell Group Balancing Resistors
  • Externally Powered for Low Quiescent Battery Current
  • High Current Shunt Monitor Circuit for Accurate Pack Current Sensing
  • Pack Level Voltage Monitoring
  • Integrated Isolation Fault Monitor Circuit

Typical System Diagram

Battery Management Systems Diagram

Precise Engineering

Features

  • Scalable from 12 to 256 Series Cells
  • Temperature Sensor for Each Cell Group
  • Supports up to 1000V Systems
  • Low Steady State Cell Voltage Measurement Error (<2.0 mV)
  • Individual Cell Group Balancing Resistors
  • Externally Powered for Low Quiescent Battery Current
  • High Current Shunt Monitor Circuit for Accurate Pack Current Sensing
  • Pack Level Voltage Monitoring
  • Integrated Isolation Fault Monitor Circuit

Typical System Diagram

Battery Management Systems Diagram

BMS Product Catalog

Stafl Systems Battery Management Systems require one BMS Master Module (e.g. BMS1000M) and 1 to 64 BMS Monitor Modules (e.g. BMS1101S / BMS1102S) to function.

Battery Management System Master PCB BMS1000M

$700

Qty


Volume pricing, downloads & more →
  • Integrated precharge and main contactor control circuit
  • Communication with Vehicle Control Unit (VCU) via standard CAN Bus Interface, with multiple supported baud rates
  • Standard output messages include cell voltages/temperatures, pack voltage/current, and fault flags
  • Runs internal balancing or commands received from VCU
  • May be installed externally in appropriately sealed enclosure
Battery Management System Monitor PCB BMS1101S

$280

Qty


Volume pricing, downloads & more →
  • Ability to monitor and balance up to 12 series cells
  • Allows system to be configured for packs with 12-256 series cells
  • Yields excellent measurement accuracy across common pack conditions
  • May be installed externally in appropriately sealed enclosure
Battery Management System Monitor PCB BMS1102S

$230

Qty


Volume pricing, downloads & more →
  • Ability to monitor and balance up to 12 series cells
  • Allows system to be configured for packs with 12-256 series cells
  • Yields excellent measurement accuracy across common pack conditions
  • May be installed externally in appropriately sealed enclosure

Stafl Systems