1. BCU2002 Introduction

Introducing the LiBat™ BCU2002, a cutting-edge multi-master Battery Control Unit (BCU) that sets new standards in advanced energy management. Designed for optimal performance in diverse applications, this innovative device stands at the forefront of battery control technology. The BCU2002 boasts unparalleled capabilities as a multi-master system, allowing for seamless communication and control in complex battery configurations. With a focus on precision, efficiency, and reliability, this battery control unit redefines the way we manage energy storage, offering a versatile solution for a wide range of industries. Embrace the future of battery control with LiBat™ BCU2002 – where advanced technology meets unparalleled functionality.

Key Features:

  • Small Size 135mm x 90mm
  • Advanced Hardware for Rough Conditions
  • Optional up to 1500V isolated high voltage sense inputs (4 channels)
  • Optional GSM/GPS extension board on the extension port
  • 1.5kV isolated RJ45 daisy-chain communication, a second RJ45 optional
  • 1.5kV Isolated 2xCanbus, 1xRS485, 1xRS232 Communication Interfaces
  • 1.5kV Isolated 4 Analog Inputs
  • Onboard RTC and backup battery
LiBat™ BCU2002 v2.2 board, top right view
Fig.1.1: BCU2002, Top Look
LiBat™ BCU2002 v2.2 board, bottom left view
Fig.1.2: BCU2002, Bottom Look

Table.1.1: BCU2002 Technical Specifications

PARAMETER SPECIFICATIONS
Power Source External Power. (12-80Vdc)
Power Consumption Power Down: ~1 mW , RUN State: ~2400mW
Wake Up Trigger User Button
LEDs Power, Run/Error Status
Relays 1x SPDT Relay Output
High Side Switch Outputs 4x Outputs (12V internal or external 12-24Vdc)
Logic Inputs 2x (Compatible with button, switch, short circuit inputs)
Logic Outputs 1x TTL Output (High: 5V, Low: 0V)
Inputs 1x User button with led
RTC Onboard RTC with backup battery
Slave Communication Daisy-chain
Slave Communication Interface 1x 1.5kV Isolated RJ45, second RJ45 optional
Slave Module Support Up to 16 slaves
Precharge Configurable: disabled, time only, or time and current
DFU Mode Embedded bootloader for firmware upgrades.
Digital Interface-1 1x 1.5kV Isolated Half Duplex RS485
Digital Interface-2 1x 1.5kV Isolated RS232
Digital Interface-3 2x 1.5kV Isolated CANBus 2.0b
Communication Protocols LiBat standard protocols, JSON, Modbus RTU
Current Sensor Compatible with 5V external current sensors
Operating Temperature -20 °C to +70 °C (-4° F to +158° F)
Relative Humidity 5% to 95% (non-condensing)
Dimensions and Weight 135 mm X 90 mm X 18.6 mm, ~100g