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Solutions Search - Battery Management

DC2369A - DC2369A Low Power Wireless Current Sense

Aug 30th 2017
The DC2369A demo circuit is a reference design that implements a wireless current sense solution using Analog Device's low power integrated circuits. The only external connection needed is the current to be measured, allowing this circuit to be inserted at any voltage level or isolation level. The design combines components ...

Demo Board 

 

DC1830B-D - LTC4000-1 Battery Charger Controller and PowerPath Manager with Maximum Power Point Control

Aug 29th 2017
Demonstration circuit 1830B is a battery charger controller and PowerPath™ manager with maximum power point control (MPPC) featuring the LTC®4000-1. MPPC extracts near maximum power from high impedance sources such as solar panels, wind turbines or fuel cells. MPPC is achieved by means of an input voltage regulation ...

Demo Board 

 

DC2558A - LTC4091 Demo Board | 36V Battery Charger and Power Backup Manager

Aug 21st 2017
Demonstration circuit 2558A is a high voltage switching buck regulator, Li-Ion cell charger and power backup manager. It is based on the LTC4091 and provides the following functions: 2A buck regulator with 7.5V-36V (60V absolute max) input range and with output voltage tracking cell voltage, full-featured cell charger with selectable ...

Demo Board 

 

Highly Integrated 36V Buck Battery Charger Provides Seamless Backup Power

Jul 18th 2017
MILPITAS, CA and NORWOOD, MA – July 18, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, introduces the LTC4091, a complete lithium-ion battery backup management system for 3.45V to 4.45V supply rails that must be kept active during a long duration main power failure. The LTC4091 ...

Press Release 

 

High Efficiency Solar MPPT Battery Charger Using LT8611 and AD5245

Perry Faubert - FAE Jul 10th 2017
Introduction Outdoor applications that use solar panels in the range of a few watts often use a microcontroller-based MPPT (Maximum Power Point Tracking)  function to extract the maximum power available over the full range of environmental operating conditions. Many microcontroller-based MPPT solutions designed for ...

Blog Post LTspice 

 

Wireless Current Sense Circuit Floats with Sense Resistor

Kris Lokere - Strategic Applications Manager Apr 25th 2017
Introduction Measuring the current that flows through a sense resistor seems easy. Amplify the voltage, read it with an ADC, and now you know what the current is. But it gets more difficult if the sense resistor itself sits at a voltage that is very different from system ground. Typical solutions bridge that voltage difference ...

Blog Post 

 

DC1812A-B - LTC2944 Demo Board | 60V Battery Gas Gauge (req. DC2026)

Feb 15th 2017
Demonstration circuit 1812A-B features the LTC2944. Demonstration circuit 1812A-C features the LTC2943-1. The LTC2943/LTC2943-1 has an operating range of 3.6V to 20V, while the LTC2944 has an operating range of 3.6V to 60V, making all three devices perfectly suited for multicel battery applications. A precision analog coulomb ...

Demo Board Linduino QuikEval System 

 

60V I²C Battery Monitor Measures State of Charge Parameters with 1% Accuracy

Jan 30th 2017
MILPITAS, CA – January 30, 2017 – Linear Technology Corporation introduces the LTC2944 multicell battery monitor, which makes direct measurements of 3.6V to 60V battery stacks. Absolutely no level shifting circuitry on the supply and measurement pins is required to interface with multicell voltages, so total current ...

Press Release 

 

DC569B - LTC4054ES5-4.2 | Li-Ion Linear Battery Charger, 4.25V ≤ VIN ≤ 10V, 1-Cell @ 450mA/600mA ICHARGE

Jan 26th 2017
Demonstration circuit 569 is a single cell Li-Ion linear charger in a SOT-23. Charge rates as high as 600mA can be achieved due to the LTC®4054’s internal die temperature control loop that prevents excessive PCB heating under worst-case conditions. The user is provided with a control jumper to select between OFF/450mA/600mA ...

Demo Board 

 

Maximizing Cell Monitoring Accuracy and Data Integrity in Energy Storage Battery Management Systems

Mike Kultgen - Design Director
Greg Zimmer - Senior Product Marketing Engineer
Jan 24th 2017
Grid-connected battery arrays are viable backup and carry-through power sources; application-specific measurement ICs which meet their unique and sophisticated requirements ensure reliable system performance. The use of large-scale battery arrays for backup and carry-through energy storage is getting increasing attention, as ...

Blog Post 

 

DC2344A - Gleanergy Multi-Source Energy Harvesting Demo Board with Battery Chargers and Life-Extenders for Use with DC2321A Dust Demo Board

Jan 4th 2017
Demonstration circuit 2344A development platform is a versatile Energy Harvesting Demo Board that is capable of accepting solar, thermal, and piezoelectric energy sources or any high impedance AC or DC source. The board contains four independent power circuits consisting of the following EH ICs: LTC3106:  “300mA, ...

Demo Board 

 

DC2043B - LTC3305EFE Demo Board | Lead Acid Battery Balancer for 2-4 Cells

Dec 15th 2016
Demonstration circuit 2043B is a lead-acid battery balancer featuring the LTC®3305. The LTC3305 balances up to four lead-acid batteries connected in series and incorporates all voltage monitoring, gate drive and fault detection circuitry. The LTC3305 employs an auxiliary battery or an alternative storage means to transfer ...

Demo Board 

 

DC2321A - Dust Energy Harvesting Demo Board with E-Ink Display, designed to connect to the DC2344A or DC2509A

Nov 3rd 2016
Demonstration circuit 2321A is a low power wireless sensor node development platform equipped with an E-ink display for user feedback. The system is capable of monitoring and managing its available energy, logging information from sensors and sharing this data over a wireless network. The board is designed to connect to the ...

Demo Board 

 

DC2259A - LTC6811-1 Demo Board | Multicell Battery Stack Monitor with Addressable isoSPI Interface

Sep 27th 2016
Demonstration circuit 2259A is a Daisy Chain isoSPI Battery-Stack Monitor featuring the LTC6811-1. Multiple boards can be linked through a 2-wire isolated serial interface to monitor any number of cells on a stack. ...

Demo Board Linduino 

 

DC2260A - LTC6811-2 Demo Board | Multicell Battery Stack Monitor with Addressable isoSPI Interface

Sep 27th 2016
Demonstration circuit 2260A is an Addressable isoSPI Battery-Stack Monitor featuring the LTC6811-2. Multiple boards can be linked through a 2-wire isolated serial interface to monitor any number of cells on a stack. ...

Demo Board Linduino 

 

DC2509A - Gleanergy Multi-Source E H Demo Board with Battery Chargers and Life-Extenders for Use with DC2321A Dust Demo Board

Sep 27th 2016
The DC2509A development platform is a versatile energy harvesting demo board that is capable of accepting solar, thermal, and piezoelectric energy sources or any high impedance AC or DC source. The board contains four independent power circuits consisting of the following EH ICs: LTC®3106 – 300 mA, Low Voltage Buck-Boost ...

Demo Board 

 

60V Synchronous Buck Battery Charger Includes Lead-Acid & Li-Ion Charge Algorithms for up to 20A Charge Current

Aug 31st 2016
MILPITAS, CA – August 31, 2016 – Linear Technology Corporation introduces the LTC4013, a highly integrated, high voltage multi-chemistry synchronous step-down battery charger controller. With a wide input voltage range that spans up to 60V, the LTC4013 uses temperature-compensated 3- and 4-stage charge algorithms ...

Press Release 

 

LTC4013 18V-60V 6.25A LiFeP0415V SLA Replacement Battery Charger

Aug 29th 2016
The LTC4013 is a high voltage battery charger controller that supports float, absorption and equalization lead-acid and constant-current/constant-voltage Li-Ion charging algorithms. It is particularly well suited for charging a wide range of lead-acid batteries, including both vented and sealed type. The LTC4013 also supports ...

Circuit 

 

LTC4013 24V 5A 6 Cell Lead Acid Charger with Absorption and Equalization Charging

Aug 29th 2016
The LTC4013 is a high voltage battery charger controller that supports float, absorption and equalization lead-acid and constant-current/constant-voltage Li-Ion charging algorithms. It is particularly well suited for charging a wide range of lead-acid batteries, including both vented and sealed type. The LTC4013 also supports ...

Circuit 

 

DC2374A - LTC4013 Demo Board | 60V Sync Buck Multi-Chemistry Battery Charger, 21.5V ≤ VIN ≤ 35V or Adj Down to 5V; VBATT = 12V @ 5A

Aug 26th 2016
Demonstration circuit 2374A is a multi-chemistry battery charger with optional maximum power point tracking (MPPT) featuring the LTC4013. The LTC4013 has configurable 3 stage and 4 stage lead acid and Li-Ion battery algorithms in addition to 2 stage CC/CV charge cycles.  The DC2374A is set up to operate from a 21.5V ...

Demo Board 

 

Passive Battery Cell Balancing

Kevin B. Scott - Senior Strategic Marketing Engineer
Sam Nork - Boston Design Center Manager
Aug 18th 2016
In the automotive and transportation marketplace, large battery stacks provide high output power without producing harmful emissions (i.e. carbon monoxide and hydrocarbons) associated with gasoline-powered combustion engines. Ideally, each individual battery in the stack equally contributes to the system. However, when ...

Blog Post 

 

Active Battery Cell Balancing

Kevin B. Scott - Senior Strategic Marketing Engineer
Sam Nork - Boston Design Center Manager
Aug 18th 2016
With passive and active cell balancing, each cell in the battery stack is monitored to maintain a healthy battery state of charge (SoC). This extends battery cycle life and provides an added layer of protection by preventing damage to a battery cell due to deep discharging over overcharging. Passive balancing results in all ...

Blog Post 

 

DC1977A-B - LTC4121EUD Demo Board | 400mA Synchronous Buck Battery Charger, VIN = 4.4V to 40V, VBAT = Adjustable

May 9th 2016
Demonstration circuit 1977A is the demonstration board for LTC®4121EUD-4.2/LTC4121EUD, a 400mA Synchronous Buck Battery Charger. The DC1977A supports the Maximum Power Point Tracking (MPPT) feature on the LTC4121EUD, for use with Photovoltaic (PV) cells or highly resistive sources. ...

Demo Board 

 

DC1830B-A - LTC4000EGN Battery Charger Controller and PowerPath Manager

May 9th 2016
Demonstration circuit 1830B is a battery charger controller and PowerPath™ manager featuring the LTC®4000. This board should be connected to a front end DC/DC power supply for a complete charger solution. ...

Demo Board LTspice 

 

Hannover Messe: Scienlab presents solutions for BMS development based on Linear Technology BMS products

Apr 25th 2016
Hannover, Germany, April 25, 2016 - Scienlab will present its engineering services and products for the entire development chain of battery management systems (BMS) at Hannover Messe, Linear Technology Stand H23, Hall 9. In addition to its energy storage test system for characterization of cells, Scienlab will also present ...

Press Release 

 

DC1812A-C - LTC2943-1 Demo Board | 20VIN, 1A Battery Gas Gauge w/ Internal RSENSE (req. DC2026)

Apr 5th 2016
Demonstration circuit 1812A-C features the LTC2943-1. The LTC2943-1 has an operating range of 3.6V to 20V making it perfectly suited for multicell battery applications. A precision analog coulomb counter integrates current measured through the internal sense resistor. The LTC2943-1 measures voltage, current and temperature with ...

Demo Board Linduino QuikEval System 

 

DC2100B-C - 12 Cell 4A Controller Board. Bi-Directional Active Cell Balancer with LTC3300-1, LTC6804-2 & LTC6820

Mar 29th 2016
Demonstration Circuit DC2100B-D is a stackable, bidirectional cell balancer slave board using the LTC6804-2 and the LTC®3300-1 ICs to achieve active balancing of up to 12 Li-Ion cells. It requires the DC2100B-C for proper operation. The DC2100B-D uses a single LTC6804-2 Multi-Cell Addressable Battery Stack Monitor IC to ...

Demo Board 

 

5W Full Bridge AutoResonant Transmitter IC Simplifies Wireless Power Design

Eko Lisuwandi - Senior Design Engineer Mar 28th 2016
Wireless Power enables applications where it is difficult or impossible to use a connector to deliver power. Examples include products that need to operate in harsh environments or need to be cleaned or sterilized as well as products that are simply too small for a connector. However, integrated solutions for the transmitter ...

Video 

 

DC2386A-B - Wireless Power Transfer Demonstration Kit featuring the LTC4125EUFD and the LTC4120EUD

Feb 29th 2016
Demonstration kit DC2386A is a kit of the DC2330A LTC®4125EUFD demonstration board, the DC2445A-A/ DC2445A-B LTC4120EUD demonstration board, and an assortment of different length standoffs. The DC2330A can deliver up to 1.68W to the receive board with up to 12mm spacing between the transmit and receive coils. ...

Demo Board 

 

DC2302A - LTC4123EDC Demo Board | A Kit to Charge a NiMH Button Cell Battery Up to 25mA at 1.5V from a 5V Wireless Transmitter

Feb 24th 2016
Demonstration Circuit DC2302A is a kit of the DC2300A demonstration board, featuring the LTC®4123EDC, and the DC2301A Single Switch Transmitter demonstration board. The DC2300A can charge a single NiMH battery at up to 25mA, with an air gap of 0.8mm to 4.0mm. The DC2300A detects Zn-Air primary cells and will not charge them. ...

Demo Board 

 

DC2255A - LTC3106EUDC Demo Board | Buck-Boost, 0.35V ≤ VIN ≤ 5.1V; Vout = 1.8/2.2/3.3/5V @ 300mA

Feb 3rd 2016
Demonstration circuit DC2255A features the LTC®3106, an ultralow input voltage buck-boost DC/DC converter with automatic PowerPath™ management optimized for multisource, low power systems. The DC2255A has four user-selectable output voltages: 1.8V, 2.2V, 3.3V and 5V. Output current can be up to 300mA (for ...

Demo Board 

 

High-Voltage Amplifier Extends Coulomb Counter Range to +/-270V

Kris Lokere - Strategic Applications Manager Jan 22nd 2016
Introduction A coulomb counter can measure charge that flows into or out of a battery. Small, dedicated devices such as LTC2941 or LTC2943 can directly interface with low to medium battery voltages, up to about 20V. You can extend the input operating range of the measurement circuit by using a high-voltage amplifier as a level ...

Blog Post 

 

Tiny Wireless NiMH Charger-Receiver Optimized for Space-Constrained Hearing Aid Applications

Dec 16th 2015
MILPITAS, CA - December 16, 2015 - Linear Technology Corporation introduces the LTC4123 to further expand its offerings in wireless battery charging. The LTC4123 combines a 30mW wireless receiver with a constant-current/constant-voltage linear charger for NiMH batteries, such as Varta’s power one ACCU plus series. An external resonant ...

Press Release 

 

300mV Start-Up, 1.6μA IQ Synchronous Buck-Boost DC/DC Converter with Integrated PowerPath for Low Power Wireless Sensor Applications

Dec 14th 2015
MILPITAS, CA - December 14, 2015 - Linear Technology announces the LTC3106, a highly integrated, 1.6µA quiescent current 300mV start-up buck-boost DC/DC converter with PowerPath™ management, optimized for multisource, low power systems. The LTC3106 is ideal for powering low power wireless sensors from rechargeable or primary batteries ...

Press Release 

 

5W AutoResonant Wireless Power Transmitter Offers Foreign Object Detection & Completes LTC's Wireless Charging Solution

Nov 30th 2015
MILPITAS, CA - November 30, 2015 - Linear Technology Corporation introduces the LTC4125, a wireless power transmitter, complementing our wireless receiver ICs for the wireless charging market. The LTC4125 is a simple, high performance monolithic full bridge resonant driver, capable of delivering up to 5W of power wirelessly to ...

Press Release 

 

High Voltage Automotive Battery Stack Monitor Achieves 0.04% Measurement Accuracy, Lower Cost & Improved Safety Features

Nov 18th 2015
MILPITAS, CA - November 18, 2015 - Linear Technology announces the LTC6811 high voltage battery stack monitor, a drop-in replacement for the LTC6804 with higher performance and 25% lower price. The LTC6811 is a complete battery measuring IC for hybrid/electric vehicles that incorporates a deep buried Zener voltage reference, ...

Press Release 

 

50mA Synchronous Buck-Boost DC/DC Converter with Integrated Coulomb Counter Consumes Only 680nA of Quiescent Current

Sep 22nd 2015
MILPITAS, CA - September 22, 2015 - Linear Technology announces the LTC3335, a nanopower high efficiency synchronous buck-boost converter with an onboard precision coulomb counter. It delivers up to 50mA of continuous output current. With only 680nA of quiescent current and programmable peak input currents from 5mA up to 250mA, ...

Press Release 

 

DC2343A - LTC3335 Demo Board | 680nA Iq Buck-Boost with Coulomb Counter, 1.8V ≤ VIN ≤ 5.5V, Vout = 1.8V to 5V @ 15mA

Sep 8th 2015
Demonstration circuit DC2343A is a complete system level solution for a nanopower buck-boost DC/DC with integrated coulomb counter. The DC2343A contains a PIC16F1459 embedded processor for communication to the PC over USB and the LTC®3335 via its I2C port. The GUI is capable of reading and writing all the control registers ...

Demo Board QuikEval System 

 

LT3761 94% Efficient Boost LED Driver for Automotive Headlamp with 25:1 PWM Dimming

Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The fixed ...

Circuit 

 

LT3761 40W SEPIC LED Driver

Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The fixed ...

Circuit 

 

LT3761 10W Grounded Anode Inverting LED Driver

Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The fixed ...

Circuit 

 

LT3761 Boost LED Driver for 30kHz PWM Dimming

Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The fixed ...

Circuit 

 

LT3761 Buck Mode 5A LED Driver for 40kHz PWM Dimming

Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The fixed ...

Circuit 

 

LT3761 80W High Voltage Boost LED Driver with 25:1 Internally Generated PWM Dimming

Sep 3rd 2015
The LT®3761 is a DC/DC controller designed to operate as a constant-current source and constant-voltage regulator. It features a programmable internal PWM dimming signal. The LT3761 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The fixed ...

Circuit 

 

DC2118A - LTC4040 Demo Board | 5VIN, 2A Single Cell Li-ion/LiFePO4 Buck Battery Charger with 2.5A Boost Backup Power Manager

Sep 3rd 2015
Demonstration circuit 2118A is a combination step-down battery charger and step-up battery backup regulator using the LTC®4040 monolithic system power manager. The DC2118A has an input voltage range from 4.8V to 5.5V with overvoltage protection (OVP) to 40V, as limited by the external MOSFET. The input current is monitored ...

Demo Board 

 

LT3796 Boost LED Driver for Twin LEDs with Detection and Protection for Faulty LED

Sep 1st 2015
The LT®3796/LT3796-1 are DC/DC controllers designed to regulate a constant-current or constant-voltage and are ideal for driving LEDs. The fixed frequency and current mode architecture result in stable operation over a wide range of supply and output voltages. Two ground referred voltage FB pins serve as the input for several ...

Circuit 

 

LTC3335 Li-Ion Backup Power Supply

Aug 31st 2015
The LTC®3335 is a high efficiency, low quiescent current (680nA) buck-boost DC/DC converter with an integrated precision coulomb counter which monitors accumulated battery discharge in long life battery powered applications. The buck-boost can operate down to 1.8V on its input and provides eight pin-selectable output voltages ...

Circuit 

 

LTC3335 Lithium-Thionyl Chloride Primary Battery Powered Application

Aug 31st 2015
The LTC®3335 is a high efficiency, low quiescent current (680nA) buck-boost DC/DC converter with an integrated precision coulomb counter which monitors accumulated battery discharge in long life battery powered applications. The buck-boost can operate down to 1.8V on its input and provides eight pin-selectable output voltages ...

Circuit 

 

DC1496C-B - LTC2942 Demo Board | 2.7V to 5.5V Battery Gas Gauge Plus Voltage/Temp Measurements, w/ I2C (req. DC590)

Aug 26th 2015
Demonstration circuit 1496C-B features the LTC2942, a battery gas gauge that measures battery charge and discharge, battery voltage and chip temperature.  The demo board includes an external 100mΩ (default) sense resistor for a maximum current measurement of 500mA (±50mV current sense voltage range). The sense ...

Demo Board 

 

LTC4015 2-Cell Li-Ion Battery Charger, 8A Charge Current

Aug 18th 2015
The LTC®4015 is a complete synchronous buck controller/ charger with pin selectable, chemistry specific charging and termination algorithms. ...

Circuit 

 

LTC4015 Solar Lead-Acid Battery Charger, 10.7A Charge Current

Aug 18th 2015
The LTC®4015 is a complete synchronous buck controller/ charger with pin selectable, chemistry specific charging and termination algorithms. ...

Circuit 

 

DC2039A - LTC4015EUHF Demo Board | Multichemistry Buck Battery Charger with Digital Telemetry System

Aug 3rd 2015
Demonstration Circuit 2039A features the LTC®4015EUHF, a Multichemistry Buck Battery Charger with Digital Telemetry System, operating as a 2-cell Li-Ion, 8A battery charger. The DC2039A allows configuring the LTC4015 to support up to 9 cells for Li-Ion and LiFePO4, and 3, 6, or 12 cells for Lead-Acid batteries. Programmable ...

Demo Board QuikEval System 

 

DC2100B-D - 12 Cell 4A Stackable Slave Bidirectional Active Cell Balancer Featuring LTC6804-2 and LTC3300-1(x2)

Jul 16th 2015
Demonstration Circuit DC2100B-D is a stackable, bidirectional cell balancer slave board using the LTC6804-2 and the LTC®3300-1 ICs to achieve active balancing of up to 12 Li-Ion cells. It requires the DC2100B-C for proper operation. The DC2100B-D uses a single LTC6804-2 Multi-Cell Addressable Battery Stack Monitor IC to ...

Demo Board 

 

LTC4040 4.5V Backup Application with 4.22V PFI Threshold (Charge Current Setting: 1A, Input Current Limit Setting: 2A)

Jul 15th 2015
The LTC®4040 is a complete 3.5V to 5.5V supply rail battery backup system. It contains a high current step-up DC/DC regulator to back up the supply from a single-cell Li-Ion or LiFePO4 battery. When external power is available, the step-up regulator operates in reverse as a step-down battery charger. ...

Circuit 

 

LTC4040 5V Backup System with 12V Buck ior Automotive Application(Charge Current Setting: 1A, Input Current Limit Setting: 2A)

Jul 15th 2015
The LTC®4040 is a complete 3.5V to 5.5V supply rail battery backup system. It contains a high current step-up DC/DC regulator to back up the supply from a single-cell Li-Ion or LiFePO4 battery. When external power is available, the step-up regulator operates in reverse as a step-down battery charger. ...

Circuit 

 

LTC4040 5V Backup Application with OVP Protection and Non-Backed Up Load Option (Charge Current Setting: 2.5A, Input Current Limit Setting: 4A)

Jul 15th 2015
The LTC®4040 is a complete 3.5V to 5.5V supply rail battery backup system. It contains a high current step-up DC/DC regulator to back up the supply from a single-cell Li-Ion or LiFePO4 battery. When external power is available, the step-up regulator operates in reverse as a step-down battery charger. ...

Circuit 

 

Versatile 35VIN/35VOUT Synchronous Buck Battery Charger Controller Offers up to 20A Charge Current, Multichemistry Operation & Digital Telemetry

Jul 14th 2015
MILPITAS, CA - July 14, 2015 - Linear Technology Corporation introduces the LTC4015, a highly integrated, high voltage multichemistry synchronous step-down battery charger controller with onboard telemetry functions. The device efficiently transfers power from a variety of input sources, such as wall adapters and solar panels, ...

Press Release 

 

Multi-chemistry Battery Charger Provides Battery Health and Power System Monitoring

Trevor Barcelo - Product Line Manager - Battery Management Jul 6th 2015
Batteries provide power to many different applications across a wide range of industries. While the sheer volume of consumer mobile devices tends to keep the spotlight on low voltage Li-ion powered applications, high performance and high reliability industrial, medical and military applications require a variety of battery ...

Video 

 

Highly Integrated 2.5A Backup Power Manager Simplifies Li-Ion Battery Backup Systems

Jun 3rd 2015
MILPITAS, CA - June 3, 2015 - Linear Technology Corporation introduces the LTC4040, a complete lithium battery backup power management system for 3.5V to 5V supply rails that must be kept active during a main power failure. Batteries provide considerably more energy than supercapacitors, making them superior for applications ...

Press Release 

 

LTC3305 Lead Acid Battery Balancer - Video Product Brief

Tony Armstrong - Director of Product Marketing May 28th 2015
The LTC®3305 balances up to 4 lead acid batteries connected in series. All voltage monitoring, gate drive, and fault detection circuitry is integrated. The LTC3305 is designed for  stand-alone operation and does not require any external control circuitry. The LTC3305 employs an auxiliary battery or an alternative ...

Video 

 

Determine Balancing Current for the LTC3305 Lead-Acid Battery Balancer

Jim Drew - Sr Apps Engineer Apr 14th 2015
Design Note DN539: Introduction The LTC®3305 is a lead-acid battery balancer that uses an auxiliary battery or an alternative storage cell (AUX) to transfer charge to and from individual batteries within a series-connected stack. The balancer controls external NMOS switches to sequentially connect the auxiliary battery ...

Blog Post 

 

Lead Acid Battery Balancer

Mark Vitunic - Design Manager Mar 31st 2015
Active balancing of series connected battery stacks exists for many common battery chemistries, but up until now not for lead acid. Skepticism abounds as to the need and benefit of active balancing for lead acid batteries but this skepticism is misplaced. As this video will show, series-connected lead acid batteries do require ...

Video 

 

LTC3890 & LTC4000 60V Input DC/DC Power Supply with Battery Backup

Victor Khasiev - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Feb 27th 2015
Introduction Circuitry presented in this article can be very useful for designing compact power supplies and extremely beneficial for system functioning in conditions of input power interruptions. The presented solution can be embedded into uninterruptible power systems or small standalone modules. It can be successfully employed ...

Blog Post Circuit LTspice 

 

LT8490 14.2V Flooded Lead-Acid Battery Charger

Feb 10th 2015
The LT®8490 is a buck-boost switching regulator battery charger that implements a constant-current constantvoltage (CCCV) charging profile used for most battery types, including sealed lead-acid (SLA), flooded, gel and lithium-ion. The device operates from input voltages above, below or equal to the output voltage and can ...

Circuit 

 

LT8490 56.8V Lead-Acid Battery Charger (Four 12V Batteries in Series)

Feb 10th 2015
The LT®8490 is a buck-boost switching regulator battery charger that implements a constant-current constantvoltage (CCCV) charging profile used for most battery types, including sealed lead-acid (SLA), flooded, gel and lithium-ion. The device operates from input voltages above, below or equal to the output voltage and can ...

Circuit 

 

LTC4002 1.5A Single Cell Li-Ion Battery Charger

Jan 28th 2015
The LTC4002 is a complete battery charger controller for one (4.2V) or two (8.4V) cell lithium-ion batteries. With a 500kHz switching frequency, the LTC4002 provides a small, simple and efficient solution to fast charge Li-Ion batteries from a wide range of supply voltages. An external sense resistor sets the charge current ...

Circuit 

 

LTC4002 2-Cell 8.4V, 2A Li-Ion Battery Charger

Jan 28th 2015
The LTC4002 is a complete battery charger controller for one (4.2V) or two (8.4V) cell lithium-ion batteries. With a 500kHz switching frequency, the LTC4002 provides a small, simple and efficient solution to fast charge Li-Ion batteries from a wide range of supply voltages. An external sense resistor sets the charge current ...

Circuit 

 

LTC4006 4A Li-Ion Battery Charger

Jan 28th 2015
The LTC4006 is a complete constant-current/constant voltage charger controller for 2-, 3- or 4-cell lithium batteries in a small package using few external components. The PWM controller is a synchronous, quasi-constant frequency, constant off-time architecture that will not generate audible noise even when using ceramic capacitors. ...

Circuit 

 

LTC4054-4.2 600mA Single Cell Li-Ion Charger

Jan 28th 2015
The LTC™4054 is a complete constant-current/constantvoltage linear charger for single cell lithium-ion batteries. Its ThinSOT package and low external component count make the LTC4054 ideally suited for portable applications. Furthermore, the LTC4054 is specifically designed to work within USB power specifications. ...

Circuit 

 

LTC4054L-4.2 90mA Li-Ion Single Coin Cell Charger

Jan 28th 2015
The LTC™4054L is a complete, constant-current/constantvoltage linear charger for single cell lithium-ion batteries. Its small size and ability to regulate low charge currents make the LTC4054L especially well-suited for portable applications using low capacity rechargeable lithium-ion coin cells. Furthermore, the LTC4054L ...

Circuit 

 

LTC4065L Standalone 100mA Single Cell Li-Ion Battery Charger

Jan 28th 2015
The LTC®4065L is a complete constant-current/constantvoltage linear charger for single-cell lithium-ion batteries. Its small size and ability to accurately regulate low charge currents make the LTC4065L especially well-suited for portable applications using low capacity rechargeable lithium-ion cells. Furthermore, LTC4065L ...

Circuit 

 

LTC4065-4.4 Standalone 4.4V Single Cell Li-Ion Battery Charger

Jan 28th 2015
The LTC4065-4.4 is a complete constant-current/constant- voltage linear charger for high capacity single-cell lithium-ion batteries with a 4.4V float voltage. Its 2mm × 2mm DFN package and low external component count make the LTC4065-4.4 especially well-suited for portable applications. Furthermore, LTC4065-4.4 is specifically ...

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Stand-Alone Lead Acid Battery Balancing IC Works with up to Four 12V Batteries in Series

Jan 27th 2015
MILPITAS, CA - January 27, 2015 - Linear Technology Corporation announces the LTC3305, a single IC, stand-alone multicell battery balancer for 12V lead acid batteries. Balancing works by absorbing charge from higher voltage batteries and transferring that charge to lower voltage batteries so that all are charged equally. Charge is ...

Press Release 

 

LTC4100 4-Cell Li-Ion Smart Battery Charger @ 4A

Jan 20th 2015
The LTC®4100 Smart Battery Charger is a single chip charging solution that dramatically simplifies construction of an SBS compliant system. The LTC4100 implements a Level 2 charger function whereby the charger can be programmed by the battery or by the host. A SafetySignal on the battery being charged is monitored for temperature, ...

Circuit 

 

LTC4012-3 13-20Vin, 3-Cell Li-Ion (12.3V) 3A Battery Charger

Jan 20th 2015
The LTC4012-3 is a constant-current/constant-voltage battery charger controller. It uses a synchronous quasiconstant frequency PWM control architecture that will not generate audible noise with ceramic bulk capacitors. Charge current is set by external resistors and can be monitored as an output voltage across the programming ...

Circuit 

 

LT3650-4.2 10V to 32V 1.5A Charger with C/10 Termination and 1A Input Supply Limit. Status Pins Use LED Indicators

Jan 19th 2015
The LT3650 is a complete monolithic single-cell Li-Ion/ Polymer battery charger that operates over a 4.75V to 32V input voltage range (7.5V minimum start-up voltage). The LT3650 provides a constant-current/constant-voltage charge characteristic, with maximum charge current externally programmable up to 2A, set using an external ...

Circuit 

 

LT3650-4.1 7.5V to 32V Single-Cell Li-Ion 2A Charger

Jan 19th 2015
The LT3650 is a complete monolithic single-cell Li-Ion/ Polymer battery charger that operates over a 4.75V to 32V input voltage range (7.5V minimum start-up voltage). The LT3650 provides a constant-current/constant-voltage charge characteristic, with maximum charge current externally programmable up to 2A, set using an external ...

Circuit 

 

LT3650-8.4 12V to 32V 1.5A PowerPath Charger with C/10 Termination and 1A Input Supply Limit. Status Pins Use LED Indicators

Jan 19th 2015
The LT3650 is a complete monolithic 2-cell Li-Ion/Polymer battery charger that operates over a 9V to 32V input voltage range (11.5V minimum start-up voltage). The LT3650 provides a constant-current/constant-voltage charge characteristic, with maximum charge current externally programmable up to 2A, set using an external current ...

Circuit 

 

LT3650-8.2 11.5V to 32V 2-Cell 2A Li-Ion Charger

Jan 19th 2015
The LT3650 is a complete monolithic 2-cell Li-Ion/Polymer battery charger that operates over a 9V to 32V input voltage range (11.5V minimum start-up voltage). The LT3650 provides a constant-current/constant-voltage charge characteristic, with maximum charge current externally programmable up to 2A, set using an external current ...

Circuit 

 

LT3652HV Basic 2A 1-Cell LiFePO4 Charger (3.6V Float) with C/10 Termination

Jan 15th 2015
The LT3652HV is a complete monolithic step-down battery charger that operates over a 4.95V to 34V input range. The LT3652HV provides a constant-current/constant-voltage charge characteristic, with maximum charge current externally programmable up to 2A. The charger employs a 3.3V float voltage feedback reference, so any desired ...

Circuit 

 

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