There is a package 16-VFQFN Exposed Pad containing the ICs.Mounting is done using the Surface Mount method.In various integrated circuits, it is referred to as a Power Switch.In Protection Circuitry, the ICs is appropriate.
STEC01PUR Features
Applications : Protection Circuitry
STEC01PUR Applications
There are a lot of STMicroelectronics STEC01PUR Specialized ICs applications.
MP3 Players
Secure Management of Limited Use Consumables
Industrial Networks
Printer Cartridge Identification and Authentication
Appliances requiring ErP Lot 6 compliance
DeviceNet Applications
Lossless generation of zero crossing signal
Isolated CAN Bus Interface
Reference Design License Management
All AC-DC converters with X capacitors of 100 nF up to 6 mF