LTC3350
High Current Supercapacitor
Backup Controller and
System Monitor
Description Features High Efficiency Synchronous Step-Down CC/CV
Charging of One to Four Series Supercapacitors
n Step-Up Mode in Backup Provides Greater
Utilization of Stored Energy in Supercapacitors
n 14-Bit ADC for Monitoring System Voltages/Currents,
Capacitance and ESR
n Active Overvoltage Protection Shunts
n Internal Active Balancers—No Balance Resistors
n V : 4.5V to 35V, V
IN
CAP(n): Up to 5V per Capacitor,
Charge/Backup Current: 10+A
n Programmable Input Current Limit Prioritizes System
Load Over Capacitor Charge Current
n Dual Ideal Diode PowerPathв„ў Controller
n All N-FET Charger Controller and PowerPath Controller
n Compact 38-Lead 5mm Г— 7mm QFN Package
n Applications High Current 12V Ride-Through UPS Servers/Mass Storage/High Availability Systems The LTCВ®3350 is a backup power controller that can charge
and monitor a series stack of one to four supercapacitors. …