A 16-TSSOP (0.173, 4.40mm Width) Exposed Pad package would be appropriate for this. IC POWER SUPPLY SUPPORT CIRCUIT is the system battery's analog IC. Tube cases are used for packaging. Surface Mount is positioned in the way of this electronic part. It can provide functions of type Battery Balancer. For the electronic part to perform properly, it should be operated at temperature -40°C~125°C TJ. The model is based on the LT8584 family.
LT8584EFE#PBF Features
Available in 16-TSSOP (0.173, 4.40mm Width) Exposed Pad Package Mounting Type: Surface Mount
LT8584EFE#PBF Applications
There are a lot of Linear Technology/Analog Devices LT8584EFE#PBF Battery Management ICs applications.