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    L99BM218-TR

    Industrial 18s battery monitor

    Parameters
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeIndustrial
    Package NameTQFP-EP 64 10x10x1.0 mm
    Description

    The L9965A/L99BM218 is an 18-channel battery cell monitoring and balancing IC.


    The device belongs to the L9965/L99BM2 chipset family for high-voltage battery management system monitoring and control (automotive/industrial respectively).

    Key features
    Key features
    • Temperature grade 1: –40°C to +125°C operating temperature range
    • HBM ESD classification level 2
    • CDM ESD classification level C4B
    • Fully synchronizedhigh-accuracymeasurements on cell voltage, busbar and stack voltage with dedicated ADC:
      • Total error including
        aging
        and post soldering <1.4 mV at 3.3
        V, -40°C to 105°C
      • 16-bit resolution
      • Cell range: -1
        V to 5.5
        V
      • Integrated digital filtering with programmable cut-off
        frequency from 3.3 kHz to 4.4 Hz
      • Fully redundant architecture
      • Cell and busbar support on every channel
      • Dedicated busbar channel with
        a ±1
        V range
    • Passive internal cell balancing up to 400mA, supporting time-continuous and PWM modes, with automatic cool down based onexternal NTC sensing. Overcurrent protection during balancing is also available inlow-powermode.
    • IntegratedDC-DCconverter for energy efficiency:
      • Deep sleep: <12
        µA
      • Cyclic
        Wake-up
        Mode: <20
        µA
      • Normal Mode: <3
        mA
    • 10 configurable GPIO
    • SPIcontrollerand I2Ccontrollerperipherals for interfacing external EEPROMs and sensors
    • SPItargetfor direct MCU interface
    • Stackable architecture forhigh-voltagebattery packs up to 59 devices
    • Embedded NVM for configurationparameter storageand runtime configuration integrity check
    • Ultra-fast vertical interface peripheral for isolated communication
    • Compatible with L9965C pack monitoring chip with a maxdesynchronizationtime of 7µsat system level
    In stock
    Quantity $ per unit Savings
    1-9$13.962%
    10-24$10.9320%
    25$10.1726%
    25 + Contact sales
    $13.96
    $13.68
    Parameters
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeIndustrial
    Package NameTQFP-EP 64 10x10x1.0 mm
    Description

    The L9965A/L99BM218 is an 18-channel battery cell monitoring and balancing IC.


    The device belongs to the L9965/L99BM2 chipset family for high-voltage battery management system monitoring and control (automotive/industrial respectively).

    Key features
    Key features
    • Temperature grade 1: –40°C to +125°C operating temperature range
    • HBM ESD classification level 2
    • CDM ESD classification level C4B
    • Fully synchronizedhigh-accuracymeasurements on cell voltage, busbar and stack voltage with dedicated ADC:
      • Total error including
        aging
        and post soldering <1.4 mV at 3.3
        V, -40°C to 105°C
      • 16-bit resolution
      • Cell range: -1
        V to 5.5
        V
      • Integrated digital filtering with programmable cut-off
        frequency from 3.3 kHz to 4.4 Hz
      • Fully redundant architecture
      • Cell and busbar support on every channel
      • Dedicated busbar channel with
        a ±1
        V range
    • Passive internal cell balancing up to 400mA, supporting time-continuous and PWM modes, with automatic cool down based onexternal NTC sensing. Overcurrent protection during balancing is also available inlow-powermode.
    • IntegratedDC-DCconverter for energy efficiency:
      • Deep sleep: <12
        µA
      • Cyclic
        Wake-up
        Mode: <20
        µA
      • Normal Mode: <3
        mA
    • 10 configurable GPIO
    • SPIcontrollerand I2Ccontrollerperipherals for interfacing external EEPROMs and sensors
    • SPItargetfor direct MCU interface
    • Stackable architecture forhigh-voltagebattery packs up to 59 devices
    • Embedded NVM for configurationparameter storageand runtime configuration integrity check
    • Ultra-fast vertical interface peripheral for isolated communication
    • Compatible with L9965C pack monitoring chip with a maxdesynchronizationtime of 7µsat system level
    Associated products