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LTC4059AEDC#TRPBF

900mA Linear Li-Ion Battery Chargers with Thermal Regulation in 2 × 2 DFN

Manufacturer:

Analog Devices Inc.
Mfr.Part #:

LTC4059AEDC#TRPBF
Datasheet:

LTC4059AEDC#TRPBF Datasheet (PDF)
Product:

Charge Management
Battery Type:

Lithium-ion, Lithium Polymer, Nickel Cadmium (NiCd), Nickel Metal Hydride (NiMH)
Operating Supply Voltage:

8 V
Mounting Style:

SMD/SMT
EDA/CAD Models:

Request Free CAD Models for LTC4059AEDC#TRPBF

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LTC4059AEDC#TRPBF General Description

The LTC4059/LTC4059A are constant-current/constant-voltage linear chargers for single cell lithium-ion batteries. Their 2mm × 2mm DFN package and low external component count make these chargers especially well suited for portable applications. Furthermore, they are designed to work within USB power specifications.

Key Features

Programmable Charge Current Up to 900mA
Charge Current Monitor Output for Charge Termination
Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charging Rate Without Risk of Overheating
Constant-Current Source Mode for Charging Nickel Batteries (LTC4059 Only)
ACPR Pin Indicates Presence of Input Supply (LTC4059A Only)
No External MOSFET, Sense Resistor or Blocking Diode Required
Operating Supply Voltage from 3.75V to 8V
Charges Single Cell Li-Ion Batteries Directly from USB Port
Preset 4.2V Charge Voltage with 0.6% Accuracy
10μA Supply Current in Shutdown Mode
Tiny 6-Lead (2mm × 2mm) DFN Package

Application

Wireless PDAs
Cellular Phones
Portable Electronics
Wireless Headsets
Digital Cameras

Specifications

Product Category	Battery Management	Product	Charge Management
Battery Type	Lithium-ion, Lithium Polymer, Nickel Cadmium (NiCd), Nickel Metal Hydride (NiMH)	Operating Supply Voltage	8 V
Mounting Style	SMD/SMT	Series	LTC4059
Development Kit	DC685A	Product Type	Battery Management
Factory Pack Quantity	2500	Subcategory	PMIC - Power Management ICs