111
Littelfuse, Inc. © 2023
1
Features
▪ 2.5 V to 5.5 V system voltage
▪ 18 V input rating with overvoltage protection
▪ Programmable super capacitor charge current
▪ Programmable input overcurrent protection
▪ Up to 2 A discharge current
▪ DFN Package
Technical resources (Click on below icons to learn more)
DatasheetSeries Page
Problem/Solution
The LS0502SCD33 is a complete solution for any system with a backup storage
capacitor. It integrates input overvoltage, overcurrent protection, a reverse
blocking switch, and supercapacitor charging control circuits. It also has a built-in
cell balance to protect two-cell supercapacitor systems. Once the storage
element has a full charge, the circuit draws only 2.5 μA. It provides a flag signal
when the input supply is unplugged so that the primary system can take action.
Markets/Applications
▪ Dash camera
▪ Smart meter
▪ Internet of Things (IoT)
▪ Handheld industrial equipment
▪ Portable device with removable
battery
eFuse LS0502SCD33 Protection ICs
Super Capacitor Protection IC for Backup Power Applications
Benefits
▪ Automatic cell balancing
▪ Automatic main/backup switchover
▪ 2.5 μA ready quiescent current/ low power consumption
▪ Small solution size
Typical Application
Functional Block Diagram
Tech Info
Product
Brief
Application
Note
EVB & User
Manual