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ADI LTC3350EUHF#TRPBF product image
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ADI LTC3350EUHF#TRPBFRoHS

Manufacturer
ADI
MPN
LTC3350EUHF#TRPBF
LCSC Part #
C684490
Packaging
QFN-38-EP(7x5)
Customer #
Key Attributes
High Current Supercapacitor Backup Controller and System Monitor
Datasheetpdf iconADI LTC3350EUHF#TRPBF
In-Stock: 6
6 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 10.7912$ 10.79
10+$ 9.3925$ 93.93
30+$ 8.5387$ 256.16
100+$ 7.8247$ 782.47
Standard Packaging2500/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Power Management - Specialized
ManufacturerADI
PackagingQFN-38-EP(7x5)
TypeCharging IC;Balancing IC
FeaturesConstant current charging;Constant voltage charging;Programmable charging current;Overvoltage protection;Cell balancing;Soft-start;Under-voltage lockout
Operating Temperature-40℃~+125℃
InterfaceI2C;SMBus
Type of BatterySupercapacitor
Quiescent Current4mA
Charge Current - Max10A
Voltage - Supply4.5V~35V
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Introduction

AI Translation

The LTC3350 is a backup power controller that can charge and monitor a series stack of one to four supercapacitors. The LTC3350’s synchronous step-down controller drives N‑channel MOSFETs for constant current/constant voltage charging with programmable input current limit. In addition, the step-down converter can run in reverse as a step-up converter to deliver power from the supercapacitor stack to the backup supply rail. Internal balancers eliminate the need for external balance resistors and each capacitor has a shunt regulator for overvoltage protection. The LTC3350 monitors system voltages, currents, stack capacitance and stack ESR which can all be read over the I2C/SMBus. The dual ideal diode controller uses N-channel MOSFETs for low loss power paths from the input and supercapacitors to the backup system supply. The LTC3350 is available in a low profile 38-lead 5mm × 7mm×0.75mm QFN surface mount package.

Features

AI Translation
  • High Efficiency Synchronous Step-Down CC/CV Charging of One to Four Series Supercapacitors
  • Step-Up Mode in Backup Provides Greater Utilization of Stored Energy in Supercapacitors
  • 14-Bit ADC for Monitoring System Voltages/Currents, Capacitance and ESR
  • Active Overvoltage Protection Shunts
  • Internal Active Balancers—No Balance Resistors
  • VIN: 4.5V to 35V , VCAP(n): Up to 5V per Capacitor, Charge/Backup Current: O+A
  • Programmable Input Current Limit Prioritizes System Load Over Capacitor Charge Current
  • Dual Ideal Diode PowerPath Controller
  • All N-FET Charger Controller and PowerPath Controller
  • Compact 38-Lead 5mm × 7mm QFN Package

Applications

AI Translation
  • High Current 12V Ride-Through UPS
  • Servers/Mass Storage/High Availability Systems