LTC4155

RECOMMENDED FOR NEW DESIGNS

Dual Input Power Manager/ 3.5A Li-Ion Battery Charger with I²C Control and USB OTG

Data Sheet Product Selection Table

Part Models: 4
1ku List Price: Starting From $3.54

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Part Details

High Efficiency Charger Capable of 3.5A Charge Current
Monolithic Switching Regulator Makes Optimal Use of Limited Power and Thermal Budget
Dual Input Overvoltage Protection Controller
Priority Multiplexing for Multiple Inputs
I²C/SMBus Control and Status Feedback
NTC Thermistor ADC for Temperature Dependent Charge Algorithms (JEITA)
Instant-On Operation with Low Battery
Battery Ideal Diode Controller for Power Management
USB On-The-Go Power Delivery to the USB Port
Full Featured Li-Ion/Polymer Battery Charger with Four Float Voltage Settings
28-Lead 4mm × 5mm QFN Package

Part Models: 4
1ku List Price: Starting From $3.54

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
LTC4155EUFD#PBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4155EUFD#TRPBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4155IUFD#PBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4155IUFD#TRPBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Feb 20, 2022 - 21_0269 Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products
		PCN21_0269_Form Material_Report Detailed Change Description Qualification Results Summary
LTC4155EUFD#PBF	PRODUCTION
LTC4155EUFD#TRPBF	PRODUCTION
LTC4155IUFD#PBF	PRODUCTION
LTC4155IUFD#TRPBF	PRODUCTION

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

Software Resources

Evaluation Software 1

LTC4155_SDK.zip

Hardware Ecosystem

Parts	Product Life Cycle	Description
Battery Fuel Gauge and Coulomb Counter 1
LTC2942-1	Obsolete	1A Battery Gas Gauge with Internal Sense Resistor and Temperature/Voltage Measurement
Digital Temperature Sensors 1
LTC2991	RECOMMENDED FOR NEW DESIGNS	Octal I²C Voltage, Current, and Temperature Monitor
Low Voltage Hot Swap Controllers 1
LTC4362-1 LTC4362-2		1.2A Overvoltage/Overcurrent Protector
PowerPath, Ideal Diodes, and Load Switches 1
LTC4417	RECOMMENDED FOR NEW DESIGNS	Prioritized PowerPath^™ Controller

Pushbutton Controllers 1
LTC2955	RECOMMENDED FOR NEW DESIGNS	Pushbutton On/Off Controller with Automatic Turn-On
USB Isolators 1
LTM2884	PRODUCTION	Isolated USB Transceiver with Isolated Power
USB Power Manager (PowerPath, Battery Charger) 1
LTC4099	PRODUCTION	I²C Controlled USB Power Manager/ Charger with Overvoltage Protection

Parts	Product Life Cycle	Description
LTC4156	RECOMMENDED FOR NEW DESIGNS	Dual-Input Power Manager/3.5A LiFePO₄ Battery Charger with I²C Control and USB OTG

Tools & Simulations

Linduino 3

Linduino is Analog Devices’ Arduino compatible system for developing and distributing firmware libraries and example code for our integrated circuits. Each Linduino-supported product includes an example main program, defined in the LTSketchbook/Part Number folder and driver code, defined in the LTSketchbook/libraries folder.

Linduino code repository on GitHub and instructions on how to use the code.

Purchase Linduino

Evaluation Kits

LTC4155EUFD Demo Board I VIN = 4.35V to 5.5V, Dual Input Li-Ion Charger with USB OTG, VOUT = 4.5V, VBATT = 4.05V to 4.2V @ 3.5A; DC590B Demo Board required

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Product Details

Demonstration Circuit 1674A-A is dual input power manager/3.5A Li-Ion battery charger with I²C control and USB On-The-Go (OTG). The dual input multiplexer, overvoltage protection (OVP) and reverse voltage protection (RVP) is implemented with external N-channel MOSFETs. An onboard buck regulator generates the VOUT voltage from the active input voltage. This voltage is regulated to minimize the dissipation in the battery charger. The minimum voltage of the VOUT regulator is 3.5V to provide an instant-on function when the battery is fully discharged. Most functions on the LTC4155EUFD are controlled via the I²C serial interface. The LTC4155EUFD also provides extensive status information via the I²C serial interface.

Resources

DC1674A - Schematic
76.00K

DC1674A-A - Demo Manual
975.00K

DC1674A - Design Files
1.00M

Software

DC1674A-A - GUI Installation
797.00K

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LTC4155

Part Details

Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Application Note 1

Design Note 1

Technical Articles 1

Solutions Bulletin & Brochure 1

Product Selector Card 1