LTC4000

RECOMMENDED FOR NEW DESIGNS

High Voltage High Current Controller for Battery Charging and Power Management

Part Models: 8
1ku List Price: Starting From $4.29

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Part Details

Complete High Performance Battery Charger When Paired with a DC/DC Converter
Wide Input and Output Voltage Range: 3V to 60V
Input Ideal Diode for Low Loss Reverse Blocking and Load Sharing
Output Ideal Diode for Low Loss PowerPath^™ and Load Sharing with the Battery
Instant-On Operation with Heavily Discharged Battery
Programmable Input and Charge Current: ±1% Accuracy
±0.25% Accurate Programmable Float Voltage
Programmable C/X or Timer Based Charge Termination
NTC Input for Temperature Qualified Charging
28-Lead 4mm × 5mm QFN or SSOP Packages

The LTC4000 is a high voltage, high performance controller that converts many externally compensated DC/DC power supplies into full-featured battery chargers.

Features of the LTC4000’s battery charger include: accurate (±0.25%) programmable float voltage, selectable timer or current termination, temperature qualified charging using an NTC thermistor, automatic recharge, C/10 trickle charge for deeply discharged cells, bad battery detection and status indicator outputs. The battery charger also includes precision current sensing that allows lower sense voltages for high current applications.

The LTC4000 supports intelligent PowerPath control. An external PFET provides low loss reverse current protection. Another external PFET provides low loss charging or discharging of the battery. This second PFET also facilitates an instant-on feature that provides immediate downstream system power even when connected to a heavily discharged or short faulted battery.

The LTC4000 is available in a low profile 28-lead 4mm × 5mm QFN and SSOP packages.


	LTC4000	LTC4000-1
Input Voltage Regulation MPPC	No	Yes
Input Current Monitoring	Yes	Yes
Input Current Regulation	Yes	No

Applications

High Power Battery Charger Systems
High Performance Portable Instruments
Industrial Battery Equipped Devices
Notebook/Subnotebook Computers

Part Models: 8
1ku List Price: Starting From $4.29

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
LTC4000EGN#PBF	28-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4000EGN#TRPBF	28-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4000EUFD#PBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4000EUFD#TRPBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4000IGN#PBF	28-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4000IGN#TRPBF	28-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4000IUFD#PBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC4000IUFD#TRPBF	28-Lead QFN (4mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 3, 2024 - 24_0235 (QSOP/SSOP PKG) Migrating Bottom Trace Code Marking to Top Side Laser Marking
		PCN24_0235_Form Material_Report Other Delta Qualification Matrix
LTC4000EGN#PBF	PRODUCTION
LTC4000EGN#TRPBF	PRODUCTION
LTC4000IGN#PBF	PRODUCTION
LTC4000IGN#TRPBF	PRODUCTION
Aug 10, 2022 - 22_0177 Laser Top Mark Conversion for QSOP20_24_28 Assembled in ADPG [PNG] and UTL
		PCN22_0177_Form Material_Report Delta Qualification Matrix
LTC4000EGN#PBF	PRODUCTION
LTC4000EGN#TRPBF	PRODUCTION
LTC4000IGN#PBF	PRODUCTION
LTC4000IGN#TRPBF	PRODUCTION
Jan 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
LTC4000EUFD#PBF	PRODUCTION
LTC4000EUFD#TRPBF	PRODUCTION
LTC4000IUFD#PBF	PRODUCTION
LTC4000IUFD#TRPBF	PRODUCTION

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

Software Resources

Can't find the software or driver you need?

Request a Driver/Software

Hardware Ecosystem

Parts	Product Life Cycle	Description
µModule Battery Chargers 1
LTM8061	RECOMMENDED FOR NEW DESIGNS	32V, 2A μModule (Power Module) Li-Ion/Polymer Battery Charger
Battery Fuel Gauge and Coulomb Counter 1
LTC2943	PRODUCTION	Multicell Battery Gas Gauge with Temperature, Voltage and Current Measurement
Switching Battery Chargers 1
LTC4020	RECOMMENDED FOR NEW DESIGNS	55V Buck-Boost Multi-Chemistry Battery Charger
USB Isolators 1
LTM2884	PRODUCTION	Isolated USB Transceiver with Isolated Power

Tools & Simulations

LTspice 4

Models for the following parts are available in LTspice:

LTC4000
LTC4000-1

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.

Evaluation Kits

LTC4000EGN Battery Charger Controller and PowerPath Manager

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Product Details

Demonstration circuit 1830B is a battery charger controller and PowerPath^™ manager featuring the LTC4000. This board should be connected to a front end DC/DC power supply for a complete charger solution.

Resources

DC1830B - Design Files
1/10/2013

DC1830B-A/DC1830B-B - Demo Manual (Rev.A)
8/22/2017

DC1830B - Schematic
1/10/2013

LTC4000EUFD Demo Board I Battery Charger Controller (no PowerPath Manager)

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Product Details

DC1830A-B: Demo Board for the LTC4000 High Voltage High Current Controller for Battery Charging and Power Management.

Resources

DC1830A - Design Files
7/26/2012

DC1830A - Demo Manual
7/26/2012

DC1830A - Schematic
7/26/2012

LTC4000EGN/LTC3789EGN Demo Board u 14.6V, 5A Battery Charger with 6VIN to 36VIN Buck-Boost Converter

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Product Details

DC1721A Demo Board for:
LTC4000 High Voltage High Current Controller for Battery Charging and Power Management
LTC3789 High Efficiency, Synchronous, 4-Switch. Buck-Boost Controller

Resources

DC1721A - Schematic
3/28/2012

DC1721A-A - Demo Manual
6/21/2011

DC1721A-A - Design Files
6/21/2011

Latest Discussions

2 Years Ago

LTC4000

Part Details

Documentation

Data Sheet 1

Reliability Data 1

User Guide 3

Technical Articles 3

Video 1

Product Selector Card 3

Solutions Bulletin & Brochure 2

Book & eBook 1

Software Resources

Can't find the software or driver you need?

Hardware Ecosystem

Tools & Simulations

LTspice 4

Models for the following parts are available in LTspice:

Evaluation Kits

Product Details

Resources

Product Details

Resources

Product Details

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