BMU - Battery Management Unit

High voltage measurementNumber7 channels
Range0V - 1000V
Accuracy≤±2V @0V - 200V ≤±1% @200V - 1000V
Current measurementModeSupport 2 channels of external shunts
Range-1500A - 1500A
Accuracy1%±400mA @ -40℃ - 85℃
Shunt NTC measurementNumber2
Range-40°C - 150°C
Accuracy± 3°C @-40°C - 130°C ± 5°C @130°C - 150°C
Insulation detectionMethodBridge method
Range0MΩ - 100 MΩ
Accuracy±17% @ 50 - 100kOhm ±10% @ 100 - 500kOhm ±15% @ 500k - 3MOhm ±27% @ 3 - 5MOhm
HVILNumber2 channels
Mode1x current mode, 1x voltage mode
Crash detectionMethodPWM
ChargingDC chargingSupport CC1 detection. Compatible with 2015+ and ChaoJi
AC chargingSupport CC, CP detection
SoX managementSOC accuracy≤ ±5%
SOH accuracy≤ ±5%
SOE accuracy≤ ±5%
Communication and diagnosisCAN communication3 CANFD channels
Daisy chainSupport bi-directional ring architecture
UDSSupported
OBDSupported
XCPSupported
Thermal runaway detectionMethodBattey Pressure Sensor + Software, Gas Sensor uppon request
Battery protectionMethodOV/UV, OT, OC protection
Cyber securityLevelCapability up to CAL 2
FUSAASIL levelCapability up to ASIL D
OTAMethodA/B swap
AutoSARVersion4.4
Wake upCAN wakeupSupport for specific frame wakeup
CC2 plug-in wakeupSupported
CP wakeupSupported
AFE wakeupHost wakeup when OV/UV/OT occurs in sleep mode
RTC timed wakeupSupported
Hardware line wakeupPressure sensor hardware line wakeup
Relay controlControl typeHSD & LSD control
Number6 Channels