L99BM218-TR

Name: L99BM218-TR
Brand: STMicroelectronics
SKU: L99BM218-TR
Price: 13.82 USD
Availability: OutOfStock

Industrial 18s battery monitor

L99BM218 is a 18 channel battery cells monitoring and balancing IC.

The device belongs to the L99BM2 chipset family for high voltage battery management systems monitoring and control.

Key features
-40°C to +125°C operating temperature range HBM ESD classification level 2 CDM ESD classification level C4B Fully synchronized high accuracy measurements on cell voltage, and module voltage with dedicated ADC: Total error including ageing and post soldering <1.4 mV at 3.3V, -40°C to 105°C 16-bit resolution Cell range: -1 to 5.5V 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 ±1V range Passive internal cell balancing up to 400mA, supporting time-continuous and PWM modes, with automatic cool down based on external NTC sensing. Overcurrent protection during balancing available also in low power mode Integrated DCDC converter for energy efficiency: Normal Mode: <2mA 10 configurable GPIO SPI Controller and I2C Controller peripherals for interfacing external EEPROMs and sensors SPI Target for direct MCU interface Stackable architecture for high voltage battery packs up to 59 devices Embedded NVM for configuration parameters storage and runtime configuration integrity check Ultra-fast vertical interface peripheral for isolated communication Compatible with L99BM2C pack monitoring chip with a max de-synchronization time of 7 us at system level

Out of Stock

Quantity	$ per unit	Savings
1-500	$13.82	0%
500 +	Contact sales

$13.82

L99BM218 is a 18 channel battery cells monitoring and balancing IC.

The device belongs to the L99BM2 chipset family for high voltage battery management systems monitoring and control.

Key features
-40°C to +125°C operating temperature range HBM ESD classification level 2 CDM ESD classification level C4B Fully synchronized high accuracy measurements on cell voltage, and module voltage with dedicated ADC: Total error including ageing and post soldering <1.4 mV at 3.3V, -40°C to 105°C 16-bit resolution Cell range: -1 to 5.5V 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 ±1V range Passive internal cell balancing up to 400mA, supporting time-continuous and PWM modes, with automatic cool down based on external NTC sensing. Overcurrent protection during balancing available also in low power mode Integrated DCDC converter for energy efficiency: Normal Mode: <2mA 10 configurable GPIO SPI Controller and I2C Controller peripherals for interfacing external EEPROMs and sensors SPI Target for direct MCU interface Stackable architecture for high voltage battery packs up to 59 devices Embedded NVM for configuration parameters storage and runtime configuration integrity check Ultra-fast vertical interface peripheral for isolated communication Compatible with L99BM2C pack monitoring chip with a max de-synchronization time of 7 us at system level