This part is a kind of semiconductor called AD8280.

Function of this product has Lithium Ion Battery Safety Monitor.

Manufacturers : Analog Devices

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Some of the text within the PDF file :

Data Sheet Lithium Ion Battery Safety Monitor AD8280 FEATURES GENERAL DESCRIPTION Wide supply voltage range: 6.0 V to 30.0 V Multiple inputs can monitor 3 to 6 cell voltages and 2 temperatures Adjustable threshold levels: overvoltage, undervoltage, overtemperature Alarm options: separate or shared alarms Extended temperature range performance −40°C ≤ TA ≤ +105°C Can be daisy-chained Internal reference Powered from battery stack LDO available to power isolator Qualified for automotive applications Extensive self-test feature aids in meeting ASIL/SIL requirements APPLICATIONS Lithium ion battery backup monitor and threshold detection Electric and hybrid electric vehicle Industrial vehicle Uninterruptible power supply Wind and solar The AD8280 is a hardware-only safety monitor fo [ ... ]

AD8280 PDF Datasheet Download