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Solutions Search - Battery Charger IC

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 

 

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 

 

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 

 

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 

 

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 

 

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 

 

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 

 

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 

 

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 

 

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 

 

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 

 

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 ...

Circuit 

 

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 

 

LTM8062 Basic 2A, 2-Cell LiFePO4 Battery Charger with C/10 Termination

Jan 15th 2015
The LTM®8062/LTM8062A are complete 32VIN, 2A μModule® power tracking battery chargers. The LTM8062/ LTM8062A provide a constant-current/constant-voltage charge characteristic, a 2A maximum charge current, and employ a 3.3V float voltage feedback reference, so any desired battery float voltage up to 14.4V for the LTM8062 ...

Circuit 

 

LTM8062 2A Solar Panel Power Manager with 8.4V Lithium Ion Battery Pack and 16V Peak Power Tracking

Jan 15th 2015
The LTM®8062/LTM8062A are complete 32VIN, 2A μModule® power tracking battery chargers. The LTM8062/ LTM8062A provide a constant-current/constant-voltage charge characteristic, a 2A maximum charge current, and employ a 3.3V float voltage feedback reference, so any desired battery float voltage up to 14.4V for the LTM8062 ...

Circuit 

 

LTM8061 Standalone Single Cell 2A Li-Ion Battery Charger with C/10 Termination from 6V to 32V Input

Jan 15th 2015
The LTM®8061 is a high efficiency 32V, 2A μModule® standalone Li-Ion battery charger. It is optimized for one and two-cell packs, with fixed float voltage options: 4.1V, 4.2V, 8.2V and 8.4V. The LTM8061 provides a constant-current/constant-voltage charge characteristic, with maximum charge current up to 2A. A precondition ...

Circuit 

 

LTM8061 Two Cell 1A Li-Ion Battery Charger with C/10 Termination and Reverse Input Protection

Jan 15th 2015
The LTM®8061 is a high efficiency 32V, 2A μModule® standalone Li-Ion battery charger. It is optimized for one and two-cell packs, with fixed float voltage options: 4.1V, 4.2V, 8.2V and 8.4V. The LTM8061 provides a constant-current/constant-voltage charge characteristic, with maximum charge current up to 2A. A precondition ...

Circuit 

 

LTM8061 Single Cell 2A Li-Ion Battery Charger with 3 Hour Timer Termination and Reverse Input Protection

Jan 15th 2015
The LTM®8061 is a high efficiency 32V, 2A μModule® standalone Li-Ion battery charger. It is optimized for one and two-cell packs, with fixed float voltage options: 4.1V, 4.2V, 8.2V and 8.4V. The LTM8061 provides a constant-current/constant-voltage charge characteristic, with maximum charge current up to 2A. A precondition ...

Circuit 

 

LTM8061 Two Cell 2A Li-Ion Battery Charger with Thermistor, C/10 Termination and Reverse Input Protection

Jan 15th 2015
The LTM®8061 is a high efficiency 32V, 2A μModule® standalone Li-Ion battery charger. It is optimized for one and two-cell packs, with fixed float voltage options: 4.1V, 4.2V, 8.2V and 8.4V. The LTM8061 provides a constant-current/constant-voltage charge characteristic, with maximum charge current up to 2A. A precondition ...

Circuit 

 

LT3651-4.1 6.5V to 32V Single Cell 4A Charger

Jan 14th 2015
The LT®3651 is a 1 cell 4A Li-Ion/Polymer battery charger that operates with input voltages up to 32V. An efficient monolithic average current mode synchronous switching regulator provides constant current, constant voltage charging with programmable maximum charge current. A charging cycle starts with battery insertion ...

Circuit 

 

LT3651-8.2 9V to 32V 4A 2-Cell Li-Ion Charger

Jan 14th 2015
The LT®3651-8.2/LT3651-8.4 are 2-cell, 4A Li-Ion/Polymer battery chargers that operate over a 9V to 32V input voltage range. An efficient monolithic average current mode synchronous switching regulator provides constant current, constant voltage charging with programmable maximum charge current. A charging cycle starts with ...

Circuit 

 

LTC4011 3A NiMH Charger with Full PowerPath Control

Jan 9th 2015
The LTC4011 provides a complete, cost-effective nickel battery fast charge solution in a small package using few external components. A 550kHz PWM current source controller and all necessary charge initiation, monitoring and termination control circuitry are included. ...

Circuit 

 

LTC4011 Simple 1A NiCd Application

Jan 9th 2015
The LTC4011 provides a complete, cost-effective nickel battery fast charge solution in a small package using few external components. A 550kHz PWM current source controller and all necessary charge initiation, monitoring and termination control circuitry are included. ...

Circuit 

 

LTC4011 Full-Featured 2A NiMH Application

Jan 9th 2015
The LTC4011 provides a complete, cost-effective nickel battery fast charge solution in a small package using few external components. A 550kHz PWM current source controller and all necessary charge initiation, monitoring and termination control circuitry are included. ...

Circuit 

 

LTC4060 Full Featured 2A NiMH Charger Application

Jan 9th 2015
The LTC4060 is a complete fast charging system for NiMH or NiCd batteries. Just a few external components are needed to design a standalone linear charging system. ...

Circuit 

 

LTC4060 1A NiMH Charger Application with Power Path Control

Jan 9th 2015
The LTC4060 is a complete fast charging system for NiMH or NiCd batteries. Just a few external components are needed to design a standalone linear charging system. An external PNP transistor provides charge current that is user programmable with a resistor. A small external capacitor sets the maximum charge time. No external ...

Circuit 

 

LTC4121 Temperature Compensation SLA Charging with LTC4121

Jan 9th 2015
Consider the design of a sealed lead acid charger with temperature compensation of the float voltage. Sealed Lead Acid batteries require the float voltage be decreased as cell temperature rises. With the LTC4121 this is achieved using an NTC thermistor in the feedback pin divider as shown in the figure above. Using the circuit ...

Circuit 

 

LTC4121 Solar Panel Charging 4.2V Li-Ion Battery at 400mA

Jan 9th 2015
The LTC®4121 is a 400mA constant-current/constantvoltage (CC/CV) synchronous step-down battery charger. In addition to CC/CV operation, the LTC4121 regulates its input voltage to a programmable percentage of the input open-circuit voltage. This technique enables maximum power operation with high impedance input sources such ...

Circuit 

 

High Efficiency Buck-Boost Battery Charger

Charlie Zhao - Applications Eng Nov 19th 2014
Today’s battery chargers are expected to support a variety of battery chemistries and accept a range of input voltages. In many applications, the input voltage range can vary from below the output battery voltage to above the battery voltage, requiring both step-down and step-up capability. In this video, we will show ...

Video 

 

DC2181A-B - LTC4120EUD Demo Board | Wireless Power Receiver and 400mA Buck Battery Charger with Adjustable charge voltage and separate receiver coil. DC2181A-B requires a transmitter such as DC1969A-B or the Proxi-Point Power-by-Proxi transmitter.

Nov 7th 2014
Demonstration circuit 2181A-B features the LTC®4120EUD wireless power receiver with 400mA synchronous step-down CC/CV battery charger. The DC2181 is used with the DC1968A wireless power transmitter or the PowerByProxi ProxiPoint transmitter. Either can deliver 2W to the DC2181, with up to 10mm spacing between the transmitter ...

Demo Board 

 

DC2181A-A - LTC4120EUD-4.2 Demo Board | Wireless Power Receiver and 400mA Buck Battery Charger with Fixed 4.2V charge voltage and separate receive coil. DC2181A-A requires a transmitter such as DC1969A-B or the Proxi-Point Power-by-Proxi transmitter.

Oct 27th 2014
Demonstration circuit 2181A-A features the LTC4120-4.2 wireless power receiver with 400mA synchronous step-down CC/CV (4.2V charge voltage) battery charger. The DC2181 is used with the DC1968A wireless power transmitter or the PowerByProxi ProxiPoint transmitter. Either can deliver 2W to the DC2181, with up to 10mm spacing between ...

Demo Board 

 

DC2133A - LTC4079 Demo Board | 2.7V-60Vin, 250mA Linear Charger with Low Quiescent Current

Oct 24th 2014
Demonstration circuit 2133A features a simple battery charger circuit using the LTC®4079 high-voltage monolithic linear charger. The DC2133 has an input voltage range from 2.7V to 60V and is capable of supplying up to 250mA charge current. The charge voltage is jumperselectable to 4.2V or 8.4V. Charge current is adjustable ...

Demo Board 

 

DC1977A-A - LTC4121EUD-4.2 Demo Board | 400mA Sync Buck Li Ion Battery Charger, VIN = 4.4V to 40V

Oct 20th 2014
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 

 

LTC4020 55V Buck-Boost Multi-Chemistry Battery Charger - Video Product Brief

Steve Knoth - Senior Product Marketing Engineer Oct 15th 2014
The LTC®4020 is a high voltage power manager providing PowerPath™ instant-on operation and high efficiency battery charging over a wide voltage range. An onboard buck-boost DC/DC controller operates with battery and/or system voltages above, below, or equal to the input voltage. The LTC4020 seamlessly manages power ...

Video 

 

2.7V-60V Input, 250mA Linear Battery Charger Features Multi-Chemistry Operation

Oct 13th 2014
MILPITAS, CA - October 13, 2014 - Linear Technology Corporation introduces the LTC4079, a 60V, constant-current/constant-voltage 250mA multi-chemistry battery charger. The device’s low quiescent current linear topology offers a simple inductorless design and accepts a wide 2.7V to 60V input voltage range. A resistor-programmable ...

Press Release 

 

Frequently Asked Questions: LTC4010 & LTC40111 NiCd / NiMH Battery Charger

Oct 7th 2014
The LTC4010 is a complete NiMH/NiCd battery charger solution that requires no microcontroller or firmware programming. The LTC4010 includes charge initiation, monitoring, protection, charge termination and constant current control circuitry for a fast, autonomous charger solution. The IC can fast charge 1- to 16-cell NiMH ...

Blog Post 

 

LTC4079 Solar Panel to 2-Cell Li-Ion Charger with Differential Voltage Regulation

Oct 2nd 2014
The LTC®4079 is a low quiescent current, high voltage linear charger for most battery chemistry types including Li-Ion/Polymer, Lead-Acid or NiMH battery stacks up to 60V. The maximum charge current is adjustable from 10mA to 250mA with an external resistor. The battery charge voltage is set using an external resistor divider. ...

Circuit 

 

LTC4079 Supercap Charger with C/10 Termination

Oct 2nd 2014
The LTC®4079 is a low quiescent current, high voltage linear charger for most battery chemistry types including Li-Ion/Polymer, Lead-Acid or NiMH battery stacks up to 60V. The maximum charge current is adjustable from 10mA to 250mA with an external resistor. The battery charge voltage is set using an external resistor divider. ...

Circuit 

 

LTC4079 12Vin to 2-Cell NiMH Trickle Charger with Timer Termination

Oct 2nd 2014
The LTC®4079 is a low quiescent current, high voltage linear charger for most battery chemistry types including Li-Ion/Polymer, Lead-Acid or NiMH battery stacks up to 60V. The maximum charge current is adjustable from 10mA to 250mA with an external resistor. The battery charge voltage is set using an external resistor divider. ...

Circuit 

 

LTC4079 24Vin to 2-Cell Li-Ion Charger with Timer Termination

Oct 2nd 2014
The LTC®4079 is a low quiescent current, high voltage linear charger for most battery chemistry types including Li-Ion/Polymer, Lead-Acid or NiMH battery stacks up to 60V. The maximum charge current is adjustable from 10mA to 250mA with an external resistor. The battery charge voltage is set using an external resistor divider. ...

Circuit 

 

LTC4079 Lead-Acid Battery Trickle Charger from Rectified 24V AC

Oct 2nd 2014
The LTC®4079 is a low quiescent current, high voltage linear charger for most battery chemistry types including Li-Ion/Polymer, Lead-Acid or NiMH battery stacks up to 60V. The maximum charge current is adjustable from 10mA to 250mA with an external resistor. The battery charge voltage is set using an external resistor divider. ...

Circuit 

 

LTC4079 Energy Harvesting Charger with Buck, Buck-Boost and LDO Supplies

Oct 2nd 2014
The LTC®4079 is a low quiescent current, high voltage linear charger for most battery chemistry types including Li-Ion/Polymer, Lead-Acid or NiMH battery stacks up to 60V. The maximum charge current is adjustable from 10mA to 250mA with an external resistor. The battery charge voltage is set using an external resistor divider. ...

Circuit LTspice 

 

LT3796 SEPIC Sealed Lead Acid (SLA) Battery Charger

Sep 23rd 2014
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 

 

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