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See Technical Specifications

LTC3555EUFD-1#TRPBF

High Efficiency USB Power Manager + Triple Step-Down DC/DC

Manufacturer:

Analog Devices Inc.
Mfr.Part #:

LTC3555EUFD-1#TRPBF
Datasheet:

LTC3555EUFD-1#TRPBF Datasheet (PDF)
Product:

Charge Management
Battery Type:

Lithium-ion, Lithium Polymer
Output Voltage:

5.5 V
Output Current:

1 A
EDA/CAD Models:

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LTC3555EUFD-1#TRPBF General Description

The LTC3555 family are highly integrated USB compatible power management and battery charger ICs for Li-Ion/Polymer battery applications. They include a high efficiency current limited switching PowerPath manager with automatic load prioritization, a battery charger, an ideal diode and three general purpose synchronous step-down switching regulators.

Key Features

High Efficiency Switching PowerPath^™ Controller with Bat-Track^™ Adaptive Output Control
Programmable USB or Wall Current Limit (100mA/500mA/1A)
Full Featured Li-Ion/Polymer Battery Charger
1.5A Maximum Charge Current
Internal 180mΩ Ideal Diode + External Ideal Diode Controller Powers Load in Battery Mode
Low No-Load Quiescent Current when Powered from BAT (<32µA)

Application

HDD-Based MP3 Players, PDAs, GPS, PMPs
Portable Medical Products
Handheld Instrumentation
Other USB-Based Handheld Products

Specifications

Product Category	Battery Management	Product	Charge Management
Battery Type	Lithium-ion, Lithium Polymer	Output Voltage	5.5 V
Output Current	1 A	Operating Supply Voltage	5.5 V
Mounting Style	SMD/SMT	Series	LTC3555
Development Kit	DC1020A, DC1376A-A, DC1376A-B	Operating Supply Current	35 uA
Product Type	Battery Management	Factory Pack Quantity	2500
Subcategory	PMIC - Power Management ICs