BMU > Battery Management Unit.
Input Voltage:
12 VDC nominal (9-18 VDC operation).
Current Sense Measurement:
Hall effect sensors calibrated to desired current range.
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Contactor Control:
Pack+, Pack-, Precharge, HV Bus Discharge, On-Board Charger, Level 3 DC Charging Supported.
Charger Coupler Interface:
Compliant to SAE J1772.
Integrated Algorithms:
State of Charge (SOC), State of Health (SOH) and Power Limits.
Diagnostics:
Automotive On-Board Diagnostics including: Isolation Detection, HVIL and self-checks.
Temperature Measurements:
4 thermistor inputs.
CAN Communication:
3 configurable CAN ports.
Inputs:
2 analog / 5 digital / 2 TPU (PWM).
Outputs:
5 digital / 2 PWM.
LMU > Lithium Monitoring Unit.
Powered from BMU.
Voltage Measurements:
Up to 28 per LMU, each measurement ranges from 0V-5V.
Temperature Measurements:
Up to 8 per LMU.
Cell Balancing:
Automated full-time during normal operation of charging.