LTC3226

RECOMMENDED FOR NEW DESIGNS

2-Cell Supercapacitor Charger with Backup PowerPath Controller

Data Sheet Product Selection Table

Part Models: 4
1ku List Price: Starting From $3.21

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Part Details

1x/2x Multimode Charge Pump Supercapacitor Charger
Automatic Cell Balancing
Ideal Diode Main PowerPath^™ Controller (V_IN to V_OUT)
Internal 2A LDO Backup Supply (CPO to V_OUT)
Automatic Main/Backup Switchover
Input Voltage Range: 2.5V to 5.5V
Programmable SCAP Charge Voltage
Programmable Input Current Limit (315mA Max)
No Load I_VIN = 55μA (Typical)
Low Profile, 16-Lead 3mm × 3mm QFN Package

Part Models: 4
1ku List Price: Starting From $3.21

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC3226EUD#PBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3226EUD#TRPBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3226IUD#PBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3226IUD#TRPBF	16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Hardware Ecosystem

Parts	Product Life Cycle	Description
Dual-Supply Monitors 1
LTC2960	RECOMMENDED FOR NEW DESIGNS	36V Nano-Current Two-Input Voltage Monitor
Supercapacitor Chargers 2
LTC3225	PRODUCTION	150mA Supercapacitor Charger
LTC4425	RECOMMENDED FOR NEW DESIGNS	Linear SuperCap Charger with Current-Limited Ideal Diode and V/I Monitor

Tools & Simulations

LTspice 1

LTC3226 - Power Monitor, Control, and Protection

Models for the following parts are available in LTspice:

LTC3226

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.