Datasheet Linear Technology LTC4055-1

ManufacturerLinear Technology

USB Power Controller and Li-Ion Linear Charger


LTC4055/LTC4055-1 - USB Power Controller and Li-Ion Linear Charger
PDF, 304 Kb, Revision: B, File uploaded: Oct 22, 2017
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Package4x4 QFN-16
Package Outline Drawing
4x4 QFN-16
Package Outline Drawing
Package CodeUFUF
Package Index05-08-169205-08-1692
Pin Count1616


Parameters / ModelsLTC4055EUF-1#PBFLTC4055EUF-1#TRPBF
Battery ChemistryLi-Ion, Li-PolymerLi-Ion, Li-Polymer
Demo BoardsDC676ADC676A
Export Controlnono
FeaturesDual Input, PowerPathDual Input, PowerPath
Float Voltage, V4.1V, 4.2V4.1V, 4.2V
Max Charge Current, A1.251.25
Number of Cells11
Number of Outputs11
Operating Temperature Range, °C0 to 850 to 85
PowerPathLinear PowerPath, 200mΩ Internal Ideal DiodeLinear PowerPath, 200mΩ Internal Ideal Diode
Type of ChargerLinearLinear
Vin Max, V5.55.5
Vin Min, V4.34.3

Eco Plan


Other Options


Design Notes

  • Advanced Topology USB Battery Charger Optimizes Power Utilization for Faster Charging &mdash DN336
    PDF, 74 Kb, File published: Apr 3, 2004
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  • Simple Battery Circuit Extends Power over Ethernet (PoE) Peak Current &mdash DN361
    PDF, 82 Kb, File published: Feb 17, 2005
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  • USB Power Controller/Charger Reduces Both Design Time and Battery Charge Time &mdash LT Journal
    PDF, 157 Kb, File published: May 1, 2004
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Model Line

Manufacturer's Classification

  • Power Management > PMIC & Multifunction > USB Power Manager (PowerPath, Battery Charger)