The TSSOP package is appropriate for it. The smart tools battery is packaged in a Tape & Reel (TR) case. It should not be less than -40°C in order to activate this power management IC. Temperatures below 85°C are recommended for its use. Based on the SN72PV195 family.
SN72PV195DBTR Features
Available in TSSOP Package
SN72PV195DBTR Applications
There are a lot of Texas Instruments SN72PV195DBTR Battery Management ICs applications.