Huizhou E-POWER electronics CO.,LTD

    EV05 BMU 48S

    The platform covers a full range of lithium-ion battery Electric Vehicles, including EV, PHEV, HEV, EREV, and covering commercial vehicles, passenger cars and special vehicles, and compatible with LMO, NCM, LEF, LTO,etc. This product has many advantages: Compatibility, Automotive grade, High safety, High integration, Wide scalability, flexible configuration.


    EV05 BMU - 48S

    Distributed structure Battery Measurement Unit (BMU - 48S) Size: 290*129*30 mm
    Installation space requirement, including outlet line position: 300mm*170mm

    Installation size requirement: with M5 bolt, and there are two ways to install:
    a.Front installation size: 250*116mm
    b.Rear installation size2: 277*116mm

    Product Application:
    1. Electric Vehicle: EV, BEV, PHEV, HEV, EREV
    2.Vehicles types: Commercial vehicles, Passenger cars, Electric logistics vehicles, Special electric vehicles; etc.
    3. Battery types: LMO、LFP、NCM 、LTO

    EV05 BMU 48S
    PRODUCT FEATURESProduct Features

    The platform covers a full range of lithium-ion battery electric vehicles, including EV, BEV, EREV, PHEV and HEV, and covering commercial vehicles, passenger cars, bus and special vehicles, and compatible with lithium manganate battery, ternary battery, LiFePO4 battery and Lithium titanate battery.

    High safety:
    The product has been specially designed and tested, including in the aspects of system function self test, nomally work under high and low voltage, protection grade, redundancy backup and anti-abuse.

    Automotive standard:
    Product software, hardware, structural design in accordance with the automotive standard design.

    High integration: Using large-scale integrated circuits, and integrated system design.

    Wide scalability:
    The product adopts a distributed or centralized architecture, and the detection unit can support up to 30 at most, and supports 1-300 series batteries in series.

    flexible configuration:
    The product has special PC software, and the product can be flexibly configured on different types of application requirements.

    FUNCTIONAL DESCRIPTIONFunctional Description

    1. single cell voltage detection (BMU module function);

    2. single cell temperature detection (BMU module function);

    3. the total voltage detection of battery pack;

    4. the working current detection of battery pack;

    5. Balanced management: active balanced + passive balanced, with balanced failure self-diagnosis function (BMU module function);

    6. Thermal management: support heating management + cooling Management (BMU module function);

    7. Charge management

    8. Discharge management

    9. Battery pack SOC estimation

    10. Battery pack SOH estimation

    11. Battery malfunction analysis and online alarm

    12. CAN-bus equipment communication with on-vehicle controller and display system etc. (vehicle factory standard or follow to E-POW standard)

    13. Communication with the ground charging set and hardware interface, (national standards, enterprise standards or E-POW standard);

    14. Safety protection (over charge, over discharge, over-current, over temperature, insulation leakage, smoke sensor, fast pull insurance, relay);

    15. BMS self-checking function;

    16. Support 5 types Hardware wake-up, and support CAN bus remote wake-up;

    17. Support delayed to turn off power management;

    18. Support to record the operation of data, fault data, historical event data;

    19. Support NTC temperature sensor detection (BMU module function);

    20. Hardware self-diagnostic function;

    NO. Item Technical Parameters
    1 Basic Parameters BMS working voltage range 12V(6V~18V); 24V(12V~32V)
    2 BMS Operating power (rated / peak) BCU (Battery Control Unit): 3.6W / 120W (peak duration 10mS)
    BMU (Basic Management Unit): 2.8W / 120W (peak duration 10mS)
    3 BMS Static power consumption BCU (Battery Control Unit): ≤1mA
    Each BMU (Basic Management Unit): ≤0.1mA
    4 BMS Operating temperature range -40℃~85℃
    5 BMS Storage Temperature Range(℃) -40℃~95℃
    6 BMS Operating Humidity Range(%) 5%~95%
    7 Single cell voltage detection range 0~5V
    8 Single cell voltage sampling accuracy ≤±10mV(2V~5V@-25℃~55℃)
    9 Single cell voltage sampling frequency <20mS
    10 Total voltage detection channel number 2(Check the internal total voltage and the external total voltage)
    11 Total voltage measurement range 0V~900V
    12 Total voltage detection accuracy <0.5%FSR(FSR:Full-Scale Range)
    13 Temperature measurement range -40~125℃
    14 Temperature detection accuracy ≤±1℃(NTC,@0~65)、≤±2℃(NTC,@-40~0)、≤±2℃(NTC,@65~125)
    15 Current detection accuracy <1%FSR(FSR:Full-Scale Range)
    16 Insulation monitoring Divided into threesituations,
    0: no fault (> 500ohms / volts),
    1: general failure(100 to 500 ohms / volts),
    2: Severe fault (<100 ohm / volts)
    17 Insulation fault judgment basis GB/T 18384.3-2001
    18 SOC estimation accuracy <8%(BEV (Battery Electric Vehicle) working condition)
    19 Balanced mode Passive balanced:  100mA
    20 External CAN interface number 2 high-speed CAN (where vehicle CAN can be configured with CAN wake-up function)
    21 BCU (Battery Control Unit) relay control road number 6-way  (4-way control power supply positive,
    2-way control power ground)
    22 BMU (Basic Management Unit) relay control road number 2 way (can only control the power supply  ground)
    23 Relay power (peak) In general, intermediate relays are not required
    24 National standard charge signal detection Support slow charge CC and CP signal detection;
    support fast charge CC2 signal detection.
    25 EMC performance testing E-POW Enterprise reference standard
    26 Fault data record YES
    27 Battery parameter table * Party A to provide
    28 List of battery management systems * Party B (E-POW) to provide
    29 Battery box battery layout and wiring diagram * Party A to provide
    30 Weight BCU (Battery Control Unit) Weight 0.65KG
    31 24S-BMU weight 0.63KG
    32 36S-BMU weight 0.84KG
    33 48S-BMU weight 1.01KG
    34 60S-BMU weight 1.25KG

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