Summary
The BMS2300 is our integrated BMS for low voltage packs from 10 V to 60 V. One board measures up to 16 cells in series, senses pack current and switches up to 300 A continuously, so there are no separate cell monitors, contactors or fuses to buy and integrate, saving cost and complexity in your pack.
It runs on the same processor and safety software as the BMS2000, is designed with functional safety in mind, and communicates over CAN or RS-485. Need more capacity? Connect packs in parallel and they address themselves automatically. Built for energy storage, backup power, light electric vehicles, drones and industrial packs.
DOWNLOADS: BMS Product Family Brochure (PDF)
AVAILABLE CONFIGURATIONS
BMS2300-1660K300FSX-000: Full-featured, 16 cells, 26 V - 60 V, functional-safety capable
MS2300-1660F300BNC-100: Reduced feature set, 16 cells, 26 V - 60 V, CAN only
BMS2300-0000K300FSX-000: Evaluation, cell count and operating voltage set by Cell Key Board
FEATURES
CAN or RS-485 Communication, Switch Selectable
Up to 11 NTC Inputs
Fan & Heater Control Outputs
Interlock Loop & E-Stop Supervision
Water Ingress Sensor Input
On-Board Gas, Pressure, Humidity & Shock Sensors
MicroSD Card & 2-Mbit FRAM Data Logging
Expansion Header for Wireless & Add-On Features
Lock-Step Arm Cortex-M7 with SafeRTOS
Supports 3 to 16 Series Cells
10 V - 60 V Operating Range, Set by Cell Key Board
00 A Continuous, 500 A Peak (5 s)
Solid-State Charge & Discharge Switching
Secondary Disconnect Device
On-Board Battery & Cell Sense Fusing
Redundant Cell Voltage & Temperature Measurement
Integrated Coulomb Counter
Fast Over-Current Detection
Parallel Pack Support with Auto-Addressing
I/O
| I/O | BMS2000 | Configurable |
|---|---|---|
| Contactor Outputs, Redundant High & Low Side | 6 | Hold & peak current, PWM frequency |
| Contactor Auxiliary Inputs | 6 | Wetting current |
| Pyroswitch Output | 1 | Deployment current & time |
| PWM Loop Outputs & Inputs | 6 + 6 | HVIL, E-stop or general purpose I/O |
| Active-High Digital Inputs | 6 | Wake source |
| Active-Low Digital Inputs | 6 | Wetting current |
| Analog Current Inputs, 4 - 20 mA | 6 | |
| NTC Temperature Inputs | 8 | |
| Water Sensor Input | 1 | Detection threshold |
| 24 V Auxiliary Outputs, 1 A | 8 | |
| 12 V & 5 V Auxiliary Outputs, 2 A | 2 | |
| Total | 68 |
Specifications
| Parameter | Conditions | Min | Typical | Max | Units |
|---|---|---|---|---|---|
| Battery Operating Voltage | Set by Cell Key Board | 10 | 60 | V | |
| Series Cells | 3 | 16 | |||
| Continuous Current | 25 °C | 300 | A | ||
| Peak Current | 5 s, 25 °C | 500 | A | ||
| Output Capacitance at Turn-On | 10 | mF | |||
| Balancing Current | VCELL = 4.2 V | 230 | mA | ||
| NTC Inputs | 11 | ||||
| Operating Temperature | -40 | 85 | °C | ||
| Dimensions | 165.1 x 254.0 x 32.1 | mm |