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    L99BM114-TR

    Multicell battery monitoring and balancing IC

    Parameters
    Operating Temp Min Celsius105.0
    Operating Temp Max Celsius-40.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeIndustrial
    Package NameTQFP 64 10x10x1.0
    Description

    The L99BM114 is a Li-ion battery monitoring and protecting chip for high-reliability industrial applications and energy storage systems. Up to 14 stacked battery cells can be monitored to meet the requirements of 48 V and higher voltage systems.Each cell voltage is measured with high accuracy, as...
    Read More

    Key features
    Key features
    • 4 to 14 series cells battery monitoring and balancing
    • 64 V operating voltage
    • Supports busbar connection without altering cell results
    • Independent 16-bit voltage ADC for each channel with accuracy less than 2 mV
    • 18-bit ADC current measurement with coulomb counter
    • Fully synchronized current and voltage samples
    • Intelligent diagnostic routine providing automatic failure validation. Redundant fault notification through both SPI Global Status Word (GSW) and the dedicated FAULT line
    • 9 GPIOs, with up to 7 analog inputs for NTC sensing
    • Internal passive balancing up to 200 mA. Possibility to drive external balancing transistors
    • 2.66 Mbps isolated serial communication or up to 5 MHz SPI
    • Two 5 V regulators supporting external load connection with 25 mA (VCOM) and 50 mA (VTREF) current capability
    • Embedded NVM for customer parameters storage
    • System safety ready
    • 64-pin TQFP package
    In stock
    Quantity $ per unit Savings
    1-9$10.950%
    10-24$8.5222%
    25-99$8.1226%
    100-249$7.0636%
    250-500$6.9836%
    500 + Contact sales
    $10.95
    $10.95
    Parameters
    Operating Temp Min Celsius105.0
    Operating Temp Max Celsius-40.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeIndustrial
    Package NameTQFP 64 10x10x1.0
    Description

    The L99BM114 is a Li-ion battery monitoring and protecting chip for high-reliability industrial applications and energy storage systems. Up to 14 stacked battery cells can be monitored to meet the requirements of 48 V and higher voltage systems.Each cell voltage is measured with high accuracy, as...
    Read More

    Key features
    Key features
    • 4 to 14 series cells battery monitoring and balancing
    • 64 V operating voltage
    • Supports busbar connection without altering cell results
    • Independent 16-bit voltage ADC for each channel with accuracy less than 2 mV
    • 18-bit ADC current measurement with coulomb counter
    • Fully synchronized current and voltage samples
    • Intelligent diagnostic routine providing automatic failure validation. Redundant fault notification through both SPI Global Status Word (GSW) and the dedicated FAULT line
    • 9 GPIOs, with up to 7 analog inputs for NTC sensing
    • Internal passive balancing up to 200 mA. Possibility to drive external balancing transistors
    • 2.66 Mbps isolated serial communication or up to 5 MHz SPI
    • Two 5 V regulators supporting external load connection with 25 mA (VCOM) and 50 mA (VTREF) current capability
    • Embedded NVM for customer parameters storage
    • System safety ready
    • 64-pin TQFP package
    Associated products