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Solutions Search - PowerPath Controllers & Ideal Diodes

LT8672 12V, 5A Automotive Reverse Battery Protection

Oct 6th 2017
The LT®8672 is an active rectifier controller for reverse input protection. It drives an external N-channel MOSFET to replace a power Schottky diode. Its very low quiescent current and fast transient response meet the tough requirements in automotive applications where AC input signals of up to 100kHz are present. These ...

Circuit LTspice 

 

LT4320 LT4320 Ideal Diode Bridge

Jan 27th 2017
The LT®4320/LT4320-1 are ideal diode bridge controllers that drive four N-channel MOSFETs, supporting voltage rectification from DC to 600Hz typical. By maximizing available voltage and reducing power dissipation (see thermograph comparison below), the ideal diode bridge simplifies power supply design and reduces power supply ...

Circuit 

 

LTC3126 5V, 2MHz Step-Down Converter with Dual Inputs

Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...

Circuit 

 

LTC3126 12V, 2MHz Step-Down Converter with Dual Inputs

Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...

Circuit 

 

LTC3126 1.8V, 2MHz Step-Down Converter with Dual Inputs

Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...

Circuit 

 

LTC3126 3.3V, 2MHz Step-Down Converter with Dual Inputs

Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...

Circuit 

 

LTC3126 3.3V Supply with 200ms Transient Ride-Through Capability

Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...

Circuit 

 

LT8391 93% Efficient 84W Buck-Boost LED Driver from 24VAC

Sep 2nd 2016
The LT®8391 is a synchronous 4-switch buck-boost LED controller that regulates LED current from input voltage above, below, or equal to the output voltage. The proprietary peak-buck peak-boost current mode control scheme allows adjustable and synchronizable 150kHz to 650kHz fixed frequency operation, or internal ±15% ...

Circuit 

 

LTC3130 Multiple VIN 5V Out Application, Using the LTC4412 PowerPath Controller

Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...

Circuit 

 

Altera Arria 10 FPGA Development Kit

Jul 17th 2015
The LTC3877 + LTC3874 are used to provide power for the Core Rail by taking advantage of the 6-bit parallel VID that interfaces with the 20-nm Arria 10’s SmartVID to reduce the FPGA’s static and dynamic power consumption, and Ultralow value and temperature compensated DCR load current sensing which maximizes ...

Circuit 

 

LTC3118 System Power (Priority) or 3-Cell Li-Ion to 5V VOUT Regulator with Automatic Burst Mode Operation

Mar 19th 2015
The LTC®3118 is a dual-input, wide voltage range synchronous buck-boost DC/DC converter with an intelligent, integrated, low-loss PowerPath control. The unique power switch architecture provides efficient operation from either input source to a programmable output voltage above, below or equal to the input. Voltage capability ...

Circuit 

 

LTC3118 Dual Battery System to 3.3V VOUT, Runs from Lead Acid (Priority) When Present Automatic Burst Mode Operation

Mar 19th 2015
The LTC®3118 is a dual-input, wide voltage range synchronous buck-boost DC/DC converter with an intelligent, integrated, low-loss PowerPath control. The unique power switch architecture provides efficient operation from either input source to a programmable output voltage above, below or equal to the input. Voltage capability ...

Circuit 

 

LTC3118 12V VIN to 5V VOUT Converter with Capacitor Backup Runs from VIN1 (Priority) in Normal Mode, VIN2 During Backup Event

Feb 24th 2015
The LTC®3118 is a dual-input, wide voltage range synchronous buck-boost DC/DC converter with an intelligent, integrated, low-loss PowerPath control. The unique power switch architecture provides efficient operation from either input source to a programmable output voltage above, below or equal to the input. Voltage capability ...

Circuit 

 

LTC3225 5V Supercapacitor Back-Up Supply

Aug 7th 2014
The LTC3225/LTC3225-1 are programmable supercapacitor chargers designed to charge two supercapacitors in series to a selectable fixed output voltage (4.8V/5.3V for the LTC3225 and 4V/4.5V for the LTC3225-1) from input supplies as low as 2.8V to 5.5V. Automatic cell balancing prevents overvoltage damage to either supercapacitor. ...

Circuit LTspice 

 

LTC4364-1 4A, 12V Overvoltage Output Regulator with Ideal Diode Withstands 200V 1ms Transient at VIN

Aug 4th 2014
The LTC4364 surge stopper with ideal diode controller protects loads from high voltage transients. It limits and regulates the output during an overvoltage event, such as load dump in automobiles, by controlling the voltage drop across an external N-channel MOSFET pass device. The LTC4364 also includes a timed, current limited ...

Circuit LTspice 

 

Terasic TR5-Lite Stratix V FPGA Development Kit

Jun 19th 2014
The TR5-Lite Stratix V FPGA Development Kit a slim form-factor PCIe board that features maximum power in a minimum size. Perfect for 1U chassis servers and other stringent environments, the TR5-Lite includes high speed SFP+ interfaces and high-bandwidth memory architecture for high performance computing, cloud systems, and ultra ...

Circuit LTpowerPlanner 

 

Terasic TR5-F40W Stratix V GX FPGA Development Kit

Jun 19th 2014
The Terasic TR5-F40W Stratix V GX FPGA Development Kit provides the ideal hardware platform for developing high-performance and high-bandwidth application. With a standard-height, half-length form-factor package, the TR5-F40W is designed for the most demanding high-end applications, empowered with the top-of-the-line Altera ...

Circuit 

 

Altera Audio Video Development Kit, Stratix IV GX Edition

Jun 12th 2014
The Audio Video Development Kit, Stratix IV GX Edition, delivers a complete video and image processing development environment for design engineers. The kit facilitates the entire design process, from design conception through hardware implementation. This kit includes the Stratix IV EP4SGX230 FPGA development ...

Circuit 

 

Altera Cyclone IV GX Transceiver Starter Kit

Jun 12th 2014
The Altera Cyclone IV FPGA family extends the Cyclone FPGA series leadership in providing the market’s lowest cost, lowest power FPGAs, including a transceiver variant. Ideal for high-volume, cost-sensitive applications, Cyclone IV FPGAs enable you to meet increasing bandwidth requirements while lowering ...

Circuit 

 

Altera Cyclone V GX Development Kit (Discontinued)

Jun 12th 2014
The Altera Cyclone V GX FPGA Development Kit provides a comprehensive, best in-class design environment to quickly begin developing low-cost and low-power FPGA system level designs. This kit helps to shorten your product’s development cycle so that you can meet your product’s time to market and production milestones. Linear ...

Circuit 

 

Terasic DE5-Net Stratix V Board

Jun 12th 2014
The DE5-Net Stratix V FPGA Development Kit is perfectly suited for extreme high powered needs including cloud computing, high frequency trading, and security networks. Featuring an ultra-high bandwidth memory architecture, low-latency SFP+ interfaces, expandable memory, and PCIe communication, the DE5-Net allows ...

Circuit 

 

Altera Stratix IV GX FPGA Development Kit

Jun 12th 2014
The Altera Stratix IV GX FPGA Development Kit delivers a complete system-level design environment that includes both the hardware and software needed to immediately begin developing FPGA designs. With this PCI-SIG-compliant board and a one-year license for Quartus II design software, you can develop and test PCI Express ...

Circuit 

 

Altera 100G Development Kit, Stratix V Edition

Jun 12th 2014
The Altera 100G Development Kit, Stratix V GX Edition enables a thoroughevaluation of 100G designs. It supports 10G/40G and 100G line interfaces through optical modules and the ability to verify a variety of high-speed protocols. Rail / Function  Part Number General Description of Part 0.9V: ...

Circuit 

 

Altera Stratix V GX FPGA Development Kit

Jun 11th 2014
The Altera® Stratix® V GX FPGA Development Kit provides a complete design environment that includes all the hardware and software you need to begin developing FPGA designs immediately. The development kit is RoHS compliant. You can use this development kit to do the following: Develop and test PCI Express® (PCIe®) designs ...

Circuit 

 

Priority Switching from 12V Main Supply to 14.8V Battery Backup

Nov 27th 2012
The LTC4417 connects one of three valid power supplies to a common output based on priority. Priority is defined by pin assignment, with V1 assigned the highest priority and V3 the lowest priority. A power supply is defined as valid when its voltage has been within its overvoltage (OV) and undervoltage (UV) window continuously ...

Circuit LTspice 

 

12V, 10A Load Share

May 14th 2012
The LTC4370 is a two-supply current sharing controller which incorporates MOSFET ideal diodes. The diodes block reverse and shoot-through currents during start-up and fault conditions. Their forward voltage is adjusted to share the load currents between supplies. Unlike other sharing methods, neither a share bus nor trim pins ...

Circuit 

 

12V Distribution in μTCA Redundant Power Subsystem

Feb 28th 2011
The LTC4225 offers ideal diode and Hot Swap functions for two power rails by controlling external series connected N-channel MOSFETs. MOSFETs acting as ideal diodes replace two high power Schottky diodes and the associated heat sinks, saving power and board area. Hot Swap control MOSFETs allow boards to be safely inserted and ...

Circuit 

 

μTCA Application Supplying 12V Power to Two μTCA Slots

Feb 28th 2011
The LTC4225 offers ideal diode and Hot Swap functions for two power rails by controlling external series connected N-channel MOSFETs. MOSFETs acting as ideal diodes replace two high power Schottky diodes and the associated heat sinks, saving power and board area. Hot Swap control MOSFETs allow boards to be safely inserted and ...

Circuit LTspice 

 

Dual Battery Load Sharing with Automatic Switchover to a Wall Adapter

Apr 1st 2010
The LTC4415 contains two monolithic PowerPath ideal diodes, each capable of supplying up to 4A with typical forward conduction resistance of 50mΩ. The diode voltage drops are regulated to 15mV during forward conduction at low currents, extending the power supply operating range and ensuring no oscillations during supply ...

Circuit 

 

LTC3625 Power Backup Using Supercapacitors and Optional Keep-Alive Cell

Apr 1st 2010
The LTC4415 contains two monolithic PowerPath ideal diodes, each capable of supplying up to 4A with typical forward conduction resistance of 50mΩ. The diode voltage drops are regulated to 15mV during forward conduction at low currents, extending the power supply operating range and ensuring no oscillations during supply ...

Circuit 

 

LTC4357 Solar Panel Charging 12V Battery Through Ideal Diode to Prevent Back Feeding

Jul 30th 2007
In solar power systems, Schottky diodes are used to prevent discharge of the battery during hours of darkness. Unfortunately, the voltage drop and power dissipation of a Schottky diode can be quite large when used with high wattage solar panels, thus reducing the amount of power available to charge the battery. This circuit ...

Circuit LTspice 

 

Two Load-Sharing, Redundant, 48V/10A Power Supplies Using an Ideal Diode

Jul 30th 2007
This circuit shows a 48V/10A ideal diode-OR application. An MBR10100 Schottky diode would dissipate 6W under these operating conditions. In contrast, the FDB3632 7.5mohm MOSFET dissipates only 0.75W. The reduced power loss increases efficiency and saves space required for heat sinking. If the power supply voltages are nearly ...

Circuit 

 

LTC3128 5.0V to 3.3V Converter with Power Ride-Through

Jan 6th 2005
The LTC®3128 is a highly efficient, buck-boost DC/DC supercapacitor charger. It operates efficiently from input voltages above, below or equal to the output voltage. The LTC3128 incorporates accurate programmable average input current limit, active charge balancing and programmable maximum capacitor voltage. This combination ...

Circuit 

 

Dual Battery Load Sharing with Automatic Switchover to a Wall Adapter

Jan 6th 2005
An application circuit for dual battery load sharing with automatic switchover of load from batteries to a wall adapter is shown in this circuit. When the wall adapter is not present, whichever battery that has the higher voltage provides the load current until it has discharged to the voltage of the other battery. The load ...

Circuit 

 

LTC3625 Supercapacitor Energy Storage System for Data Backup

Jun 5th 2002
This circuit shows a supercapacitor-based power backup system using the LTC3625 supercapacitor charger, an automatic power crossover switch using the LTC4412 PowerPath controller and an LTM4616 dual output μModule DC/ DC converter. ...

Circuit 

 

Dual Battery Load Sharing with Automatic Switchover of Power from Batteries to Wall Adapter

Jun 5th 2002
This circuit shows a dual battery load sharing application with automatic switchover of power between the batteries and a wall adapter. In this example, the battery with the higher voltage supplies all of the power until it has discharged to the voltage of the other battery. Once both batteries have the same voltage, they share ...

Circuit 

 

12V Power Ride-Through Application Using Six 10F, 2.7V Supercapacitors in Series with Front End Flyback

Dec 5th 2000
The LTC3225 is a programmable supercapacitor chargers designed to charge two supercapacitors in series to a selectable output voltage (4.8V/5.3V or 4V/4.5V) from 2.8V to 5.5V input with automatic cell balancing. This example uses six 10F, 2.7V supercapacitors in series that charged by three LTC3225’s set to 4.8V with a ...

Circuit 

 

Peak Power Tracking Buck Solar Charger Maximizes Efficiency

Sep 22nd 1997
Solar panels are gaining acceptance as a practical means of electricity generation in remote locations, but despite improvements in the technology, solar panels remain expensive. Much of the expense is the panel itself, where the size, and thus cost, of the panel rises with required power output. Maximizing panel performance ...

Circuit