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ADI LTC3350EUHF#PBFRoHS

Manufacturer
ADI
MPN
LTC3350EUHF#PBF
LCSC Part #
C580711
Packaging
QFN-38-EP(5x7)
Customer #
Key Attributes
High Current Supercapacitor Backup Controller and System Monitor
Datasheetpdf iconADI LTC3350EUHF#PBF
In-Stock: 120
120 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 10.9017$ 10.90
10+$ 9.4216$ 94.22
30+$ 8.5203$ 255.61
100+$ 7.7649$ 776.49
Standard Packaging52/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Power Management - Specialized
ManufacturerADI
PackagingQFN-38-EP(5x7)
FeaturesAdjustable current limiting;External compensation;Built-in LDO regulator;Operating status indication
Operating Temperature-40℃~+125℃
InterfaceI2C
Voltage - Supply4.5V~35V
Output Voltage5V;4.5V~35V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging52
Sales UnitPiece

Introduction

AI Translation

A backup power controller that can charge and monitor a series stack of one to four supercapacitors. The synchronous step-down controller drives N‑channel MOSFETs for constant current/constant voltage charging with programmable input current limit. 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. 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. 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: >10A
  • 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
  • AEC-Q100 Qualified for Automotive Applications

Applications

AI Translation
  • High Current 12V Ride-Through UPS
  • Servers/Mass Storage/High Availability Systems
  • High Current Supercapacitor Charger and Backup Supply