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Solutions Search - Monitor, Control and Protection

DC2492 - LTC7000-1EMSE Demo Board | Protected High Side NMOS Driver; 8V ≤ VIN ≤ 135V, IOUT up to 5.5A

Oct 13th 2017
Demonstration circuit 2492A is a 135V protected, high side switch featuring the LTC®7000-1. The demo board is designed to switch a 5.5A output load from input voltages from 8V to 135V. The wide input range and low shutdown current (1µA typical) make it suitable for automotive, industrial, medical instrument and telecom ...

Demo Board 

 

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 

 

DC2537A - LTC7000EMSE Demo Board | Protected High Side NMOS Driver; VIN up to 135V, IOUT up to 5.5A

Sep 14th 2017
Demonstration circuit 2537A is a 135V protected, high side switch featuring the LTC®7000. The demo board is designed to switch a 5.5A output load from input voltages from 8V to 135V. The wide input range and low shutdown current (1µA typical) make it suitable for automotive, industrial, medical instrument and telecom ...

Demo Board 

 

Dual Input Prioritizer Provides Low Quiescent Current Backup Supply Switchover Solution

Sep 14th 2017
MILPITAS, CA and NORWOOD, MA – September 14, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC4418, a dual input power prioritizer for 2.5V to 40V systems. To enable portability, preserve memory during brownouts, and ensure a graceful shutdown on power loss, electronic ...

Press Release 

 

Fast 60V High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Sep 7th 2017
MILPITAS, CA and NORWOOD, MA – September 7, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7004, a high speed, high side N-channel MOSFET driver that operates up to a 60V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, ...

Press Release 

 

DC2442A - LTC4282 Demo Board | 200A Hot Swap Controller with Telemetry [requires DC1613]

Jul 18th 2017
Demonstration circuit 2442A features the LTC®4282 high current Hot Swap controller. The LTC4282 is well suited to high power applications because the precise monitoring capability and accurate current limiting reduces the extremes in which both loads and power supplies must safely operate. Nonvolatile configuration allows ...

Demo Board LTpowerPlay 

 

Fast 60V Protected High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Jul 13th 2017
MILPITAS, CA and NORWOOD, MA – July 13, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7003, a high speed, high side N-channel MOSFET driver that operates up to a 60V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, ...

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 

 

Fast 150V High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Jul 6th 2017
MILPITAS, CA and NORWOOD, MA – July 6, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7001, a high speed, high side N-channel MOSFET driver that operates up to a 150V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, ...

Press Release 

 

DC2583A - LT4294/LT4321 Demo Board | PoE++ (71W/37V-57V) PD and Ideal Diode Bridge

Jun 9th 2017
Demonstration circuit 2583 is an IEEE 802.3bt (Draft 2.3) compliant Power over Ethernet (PoE) powered device (PD). It features the LT®4294 PD interface controller and the LT4321 PoE ideal diode bridge controller.   ...

Demo Board 

 

Fast 150V Protected High Side Driver

Mark Mullen - Sr Design Engineer, Power Products Jun 9th 2017
The LTC7000 is a fast, protected, high side N-channel MOSFET gate driver that contains an internal charge pump allowing the external N-channel MOSFET to stay on indefinitely. The LTC7000 receives a low voltage digital input signal and can fully turn-on or turn-off a high-side N-channel MOSFET whose drain can be 135V above ...

Video 

 

150V Fast High Side Protected N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Jun 7th 2017
MILPITAS, CA and NORWOOD, MA – June 7, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7000/-1, a high speed, high side N-channel MOSFET driver that operates up to a 150V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, ...

Press Release 

 

DC2584A-A - LT4295/LT4321 Demo Board | PoE++ (71W/12V/5.5A) PD with Forward DC/DC and Ideal Diode Bridge

May 31st 2017
Demonstration circuit 2584A is an IEEE 802.3bt (Draft 2.1) compliant Power over Ethernet (PoE) Powered Device (PD). It features the LT®4295 PD interface and switching regulator controller and the LT4321 PoE ideal diode bridge controller.   ...

Demo Board 

 

IEEE 802.3bt PD Controller Offers 99% Efficiency

May 22nd 2017
MILPITAS, CA and NORWOOD, MA – May 22, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT4294 IEEE 802.3bt Powered Device (PD) interface controller for applications requiring up to 71W of delivered power. This new Power over Ethernet (PoE) standard – IEEE 802.3bt ...

Press Release 

 

LTspice Models of ISO 7637-2 & ISO 16750-2 Transients

Dan Eddleman - Senior Applications Engineer Apr 5th 2017
Introduction Simulating the ISO 7637-2 and ISO 16750-2 transients early in the design phase of an automotive product can pinpoint issues that would otherwise come to light during electromagnetic compatibility (EMC) testing. If a product fails EMC testing, hardware modifications are required, project schedules suffer, and extra ...

Blog Post LTspice 

 

DC2418A-B - LTC4368-2 Demo Board | UV, OV, OC and Reverse Supply Protection with -3mV Reverse ECB

Mar 9th 2017
Demonstration circuit 2418A is intended to demonstrate the performance of the LTC®4368 100V undervoltage (UV), overvoltage (OV), and reverse protection controller with bidirectional circuit breaker. The LTC4368 protects circuits from overcurrent in both directions and from input voltages that may be too high, too low, or ...

Demo Board 

 

DC2418A-A - LTC4368-1 Demo Board | UV, OV, OC and Reverse Supply Protection with -50mV Reverse ECB

Mar 9th 2017
Demonstration circuit 2418A is intended to demonstrate the performance of the LTC®4368 100V undervoltage (UV), overvoltage (OV), and reverse protection controller with bidirectional circuit breaker. The LTC4368 protects circuits from overcurrent in both directions and from input voltages that may be too high, too low, or ...

Demo Board 

 

DC2423A-B - LTM9100 Demo Board | Isolated 380V Switch Controller with Telemetry [requires DC590 or DC2026]

Mar 8th 2017
Demonstration circuit 2423A showcases the LTM®9100 Isolated Switch Controller in either a typical 48V application (–A) or in a high voltage 380V application (–B). The board may be configured for either high side or low side operation, dependent on the connection of external supply and load to the banana jacks. ...

Demo Board Linduino QuikEval System 

 

DC2423A-A - LTM9100 Demo Board | Isolated 48V Switch Controller with Telemetry [requires DC590 or DC2026]

Mar 8th 2017
Demonstration circuit 2423A showcases the LTM®9100 Isolated Switch Controller in either a typical 48V application (–A) or in a high voltage 380V application (–B). The board may be configured for either high side or low side operation, dependent on the connection of external supply and load to the banana jacks. ...

Demo Board Linduino QuikEval System 

 

Bidirectional Electronic Circuit Breaker Provides Comprehensive Protection Against Current & Voltage Faults

Mar 2nd 2017
MILPITAS, CA – March 2, 2017 – Linear Technology Corporation introduces the LTC4368, a circuit protection controller ensuring safe voltage and current levels for 2.5V to 60V electronics in battery-powered automotive, industrial and portable systems. The LTC4368 replaces fuses, transient voltage suppressors and discrete ...

Press Release 

 

Isolated Anyside Switch Controller Protects & Monitors Up to 1000VDC Power Supplies

Feb 27th 2017
MILPITAS, CA – February 27, 2017 – Linear Technology Corporation introduces the LTM9100 µModule® (micromodule), an all-in-one Isolated Anyside™ switch controller that protects and monitors high voltage DC power supplies up to 1000V. High voltage supplies used in industrial, datacom, avionic and medical ...

Press Release 

 

DC2518A - LTC2975 Demo Board: +/- 12V, +/- 48V Power Supply Management [requires DC1613]

Feb 21st 2017
The DC2518A is a demonstration system for the LTC®2975 Power System Manager that interfaces to various regulators. The board contains all the circuitry needed to use the LTC2975 in a power system and control four power supplies. The four power supplies include linear and switching regulators for the purpose of demonstrating ...

Demo Board LTpowerPlay 

 

Power over Ethernet IC Delivers 123W over 1Gbps CAT5e Cable

Feb 6th 2017
MILPITAS, CA – February 6, 2017 – Linear Technology Corporation introduces the LTC4279 single port Power over Ethernet (PoE) controller for power sourcing equipment (PSE), delivering up to 123W of power over CAT-5e cable for power-hungry applications. Demand for higher power delivery comes from a widespread set of ...

Press Release 

 

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 

 

DC536B-A - LTC4211CMS Demoboard | 7A Electronic Circuit Breaker and Hot Swap Controller

Jan 27th 2017
Demonstration circuit 536B is a hot swap controller with multifunction current control featuring the LTC®4211. The DC536B-A is configured to operate with up to 7A load and DC536B-B up to 20A load. ...

Demo Board 

 

DC2539A-A - LT4295/LT4321 Demo Board | PoE++ (51W, 12V/3.9A) PD with Flyback DC/DC and Ideal Diode Bridge

Jan 19th 2017
Demonstration circuit 2539A is an IEEE802.3bt (Draft 2.1) compliant Power over Ethernet (PoE) Powered Device (PD). It features the LT®4295 PD interface and switching regulator controller and the LT4321 PoE ideal diode bridge controller. ...

Demo Board 

 

DC2476A-A - LT4295/LT4321 Demo Board | PoE++ (62W/24V/2.7A or 71W/24V/2.4A) PD with Flyback DC/DC and Ideal Diode Bridge

Jan 19th 2017
Demonstration Circuit 2476A is an IEEE 802.3bt (Draft 2.2) compliant power over ethernet (PoE) powered device (PD). It features the LT®4295 PD interface and switching regulator controller and the LT4321 PoE ideal diode bridge controller.      ...

Demo Board 

 

DC2541A - LTC4279 Demo Board | Single Port PoE/PoE+/LTPoE++ PSE Controller (Up to 123W)

Jan 17th 2017
Demonstration circuit 2541A features the LTC®4279, an autonomous single port Power Sourcing Equipment (PSE) controller for use in IEEE 802.3at Type 1, Type 2 and LTPoE++® compliant Power over Ethernet (PoE) systems. The LTC4279 simplifies IEEE and LTPoE++ PSE implementation, requiring only a 45-57V supply and a small ...

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 

 

DC2475A-A - LT4295/LT4321 Demo Board | PoE++ (40W, 12V/3A) PD with Flyback DC/DC and Ideal Diode Bridge

Dec 13th 2016
Demonstration circuit 2475A-A is an IEEE802.3bt (Draft 2.0) compliant Power over Ethernet (PoE) powered device (PD). It features the LT®4295 PD interface and switching regulator controller with the LT4321 PoE ideal diode bridge controller. ...

Demo Board 

 

DC2047A-A - LT4276B/LT4321 Demo Board | PoE+ (25W, 12V/1.9A) PD with DC/DC, Ideal Diode Bridge and 9V-57V AUX

Dec 13th 2016
Demonstration circuit 2047A-A is an IEEE802.3at compliant Power over Ethernet (PoE) Powered Device (PD) with support for 9-57VDC and 24VAC auxiliary supply input. It features the LT®4276 PD interface and switching regulator controller, the LT4321 PoE ideal diode bridge controller, and the LT4320 ideal diode bridge controller. ...

Demo Board 

 

Dual Input Prioritizers with Built-In Battery Monitoring

Rajesh Venugopal - Sr Design Engr Dec 8th 2016
Selecting the appropriate input supply to power a system with multiple input power sources is not a trivial task. This video discusses challenges associated with the supply selection process, also known as prioritization. The LTC4419 and its features are introduced to show case how the product solves key prioritization challenges ...

Video 

 

DC1356A - LTC1645CS8 Demoboard | 2-Supply Hot Swap Controller and Sequencer [5V/5A, 3.3V/7A]

Nov 23rd 2016
Demonstration circuit 1356A is a dual hot swap circuit featuring the LTC®1645 dual-channel hot swap controller/ power sequencer. ...

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 

 

DC2208A - LTC4420CDD Demo Board | 18V Dual Input Micropower PowerPath Prioritizer with Backup Supply Monitoring

Oct 17th 2016
Demonstration circuit DC2208A uses the LTC®4420 to provide backup switchover, keeping the output load powered during brownout or power loss conditions. Priority is assigned by supply connection to the V1 and V2 inputs. The power source connected to the V1 input has a higher priority, and it is monitored continuously by adjustable ...

Demo Board 

 

Dual Input, 2.5A Synchronous Step-Down DC/DC Converter Delivers 95% Efficiency from 2.4V to 42V Inputs with Lossless PowerPath Control

Oct 4th 2016
MILPITAS, CA – October 4, 2016 – Linear Technology Corporation announces the LTC3126, a 2.5A, 42V synchronous step-down switching regulator with an integrated dual input PowerPath™ control. A unique power stage topology enables operation from either of two independent power sources, with seamless, internally ...

Press Release 

 

LTC3723-1 130W Isolated Push-Pull Converter for PoE Applications with 93.5% Peak Efficiency

Jeoffrey (Zijian) Wang - Applications Engineer Oct 3rd 2016
This solution is a non-synchronous isolated push-pull converter designed for PoE applications, which can generate a 50V/2.6A output from a 34-38V (36V typical) input voltage range. A 93.5% peak efficiency is achieved for the whole isolated converter and the total solution can be fit into 1/8 brick footprint (2.3” x 0.9”) ...

Circuit LTspice 

 

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 

 

DC2574A-KIT - LTC2947 Standalone Demo Kit | LTC2947 Demo Board (DC2334) + Linduino (DC2026) + LCD Keypad Shield

Sep 26th 2016
The DC2574A-KIT is a standalone power/energy monitor that allows users to evaluate the LTC®2947 power/energy monitor without a PC. This document describes how to quickly set up and operate the DC2574A-KIT; users should also refer to the DC2334 demo manual and LTC2947 data sheet for more details. The DC2574A-KIT includes ...

Demo Board Linduino 

 

DC2278A-B - LTC4281 Demo Board with Programming Socket | 12V, 50A Hot Swap Controller with Telemetry [requires DC1613]

Sep 23rd 2016
Demonstration circuit 2278A features the LTC®4281 hot swap controller. The LTC4281 is well suited to high power applications because the precise monitoring capability and accurate current limiting reduces the extremes in which both loads and power supplies must safely operate. Non-volatile configuration allows for flexibility ...

Demo Board LTpowerPlay 

 

DC2278A-A - LTC4281 Demo Board | 12V, 50A Hot Swap Controller with Telemetry [requires DC1613]

Sep 23rd 2016
Demonstration circuit 2278A features the LTC®4281 hot swap controller. The LTC4281 is well suited to high power applications because the precise monitoring capability and accurate current limiting reduces the extremes in which both loads and power supplies must safely operate. Non-volatile configuration allows for flexibility ...

Demo Board LTpowerPlay 

 

DC2215A - LTC3126EUFD Demo Board | Dual Input Sync Buck, 4.3V ≤ VIN1 ≤ 42V, 6V ≤ VIN2 ≤ 8.4V (Operational to 42V), VOUT = 3.3V @ 2.5A

Sep 22nd 2016
Demonstration Circuit 2215A, features the LTC®3126, a synchronous buck converter with an integrated lossless input PowerPath™. Pin selectable (JP2) ideal diode-OR and priority input modes, with programmable undervoltage lockout thresholds provide control over the transition between input sources. The unique all N-channel ...

Demo Board 

 

40VIN, 2.1A Rail-to-Rail LDO+ Now Offered in High Temp, 150°C H-Grade in TSSOP Package

Sep 22nd 2016
MILPITAS, CA – September 22, 2016 – Linear Technology Corporation announces a new higher temperature “H-grade” version of the LT3086 in the TSSOP package. The LT3086 is part of Linear’s feature-rich LDO+™ family, offering significant functionality previously unavailable in linear regulators. ...

Press Release 

 

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 

 

LT3090 5V to +/-2.5V Low Noise Power Supply

Sep 15th 2016
The LT®3090 is a 600mA, low dropout negative linear regulator that is easily parallelable to increase output current or spread heat on surface mounted boards. Designed with a precision current reference followed by a high performance rail-to-rail voltage buffer, this regulator finds use in applications requiring precision ...

Circuit 

 

LT3090 Two-Terminal Current Source

Sep 15th 2016
The LT®3090 is a 600mA, low dropout negative linear regulator that is easily parallelable to increase output current or spread heat on surface mounted boards. Designed with a precision current reference followed by a high performance rail-to-rail voltage buffer, this regulator finds use in applications requiring precision ...

Circuit 

 

LT3090 500mA LED Driver with Grounded LED Tab (Heatsink)

Sep 15th 2016
The LT®3090 is a 600mA, low dropout negative linear regulator that is easily parallelable to increase output current or spread heat on surface mounted boards. Designed with a precision current reference followed by a high performance rail-to-rail voltage buffer, this regulator finds use in applications requiring precision ...

Circuit 

 

IEEE 802.3bt PD Controller Paves Path to Higher Power

Sep 12th 2016
MILPITAS, CA – September 12, 2016 – Linear Technology Corporation introduces the LT4295 IEEE 802.3bt powered device (PD) interface controller for applications requiring up to 71W of delivered power. The next Power over Ethernet (PoE) standard – IEEE 802.3bt – enables manufacturers to go beyond the 25.5W ...

Press Release 

 

LTC2947 ±30A Power/Energy Monitor with Integrated RSENSE - Video Product Brief

Chris Gobok - Product Marketing Engineer Sep 8th 2016
The LTC2947 is a high-precision power and energy monitor with an internal sense resistor supporting up to ±30A. Three internal No Latency Δ∑™ ADCs ensure accurate measurement of voltage and current, while highbandwidth analog multiplication of voltage and current provides accurate power measurement ...

Video 

 

30A Supply Monitor with Integrated 300μΩ Sense Resistor Simplifies Board Level Energy Measurements

Sep 6th 2016
Energy, Power, Charge, Current and Voltage Monitorwith I2C or SPI Interface MILPITAS, CA – September 6, 2016 – Linear Technology Corporation introduces the LTC2947 power and energy monitor for 0V to 15V DC supply rails. Most power and energy monitoring ICs use an external sense resistor to measure current. However, ...

Press Release 

 

I2C Primer: What is I2C? (Part 1)

Hamza Salman Afzal - Applications Engineer Sep 2nd 2016
Introduction: The Inter-Integrated Circuit (I2C) bus is a two wire serial interface originally developed by the Phillips Corporation for use in consumer products. It is a bi-directional bus that is easily implemented in any IC process (NMOS, CMOS, bipolar) and allows for simple inter-IC communication. Connections are minimized ...

Blog Post 

 

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 

 

DC2334A - LTC2947 Demo Board | 30A Energy Monitor with Integrated RSENSE (req. DC590 or DC2026)

Sep 1st 2016
Demonstration circuit 2334A features the LTC®2947, a high precision power and energy meter with an internal 30A sense resistor. Three internal ΔΣ ADCs ensure accurate measurement of voltage (0V to 15V) and current (–30A to 30A), while high bandwidth analog multiplication of voltage and current provides ...

Demo Board Linduino QuikEval System 

 

Prioritized PowerPath Controllers; LTC4417/4419/4420 - Video Product Brief

Pinkesh Sachdev - Product Marketing Engineer - Mixed Signal Sep 1st 2016
PowerPath™ prioritizers are low operating current circuits that provide backup switchover power for keeping critical circuitry alive during brown out and power loss conditions based on a user-defined priority. Priority is defined by pin assignment, with V1 assigned the highest priority and V3 the lowest priority. ...

Video 

 

DC2160A - LTC4419CDD Demo Board | 18V Dual Input Micropower PowerPath Prioritizer

Sep 1st 2016
Demonstration circuit 2160A uses the LTC®4419 to provide backup switchover, keeping the output load powered during brown out or power loss conditions. Priority is assigned by supply connection to the V1 and V2 inputs. The power source connected to V1 has a higher priority and is monitored by undervoltage switchover threshold ...

Demo Board 

 

Monolithic 18V Prioritizer Provides Low Standby Current Backup Battery Switchover Solution

Sep 1st 2016
MILPITAS, CA – September 1, 2016 – Linear Technology Corporation introduces the LTC4420, a dual input monolithic power prioritizer for 1.8V to 18V systems. To enable portability, preserve memory during brownouts, and ensure a graceful shutdown on power loss, electronic systems employ batteries and capacitors for ...

Press Release 

 

LTspice SOAtherm Support for PCB and Heat Sink Thermal Models

Dan Eddleman - Senior Applications Engineer Sep 1st 2016
The SOAtherm model distributed with LTspice software and simplifies Hot Swap and Surge Stopper designs by verifying directly within a circuit simulation that a particular MOSFET’s Safe Operating Area (SOA) is not exceeded. This article assumes a basic understanding of the SOAtherm model. If you are not familiar with SOAtherm, ...

Blog Post LTspice 

 

30A Power and Energy Monitor with Integrated Sense Resistor

Aug 29th 2016
With more and more importance attributed to reduce energy consumption, power monitoring at various points of a system becomes mandatory. Precise power monitoring requires to measure the voltage drop over a current sense resistor as alternative concepts such as hall sensors or flux gate suffer from imperfections due to offset ...

Video 

 

LTC4282 Dual Path, High Current (100A) Hot Swap Controller with I2C Interface - Video Product Brief

Pinkesh Sachdev - Product Marketing Engineer - Mixed Signal Aug 25th 2016
The LTC4282 Hot SwapTM controller allows a board to be safely inserted and removed from a live backplane. Using one or more external N-channel pass transistors, board supply voltage and inrush current are ramped up at an adjustable rate. An I2C interface and onboard ADC allows for monitoring of board current, voltage, power, ...

Video 

 

Surge Stoppers: Overvoltage & Overcurrent Protection ICs - Video Product Brief

Pinkesh Sachdev - Product Marketing Engineer - Mixed Signal Aug 25th 2016
Historically, overvoltage and overcurrent protection (e.g., load dump protection) was achieved using bulky capacitors, TVS diodes and fuses, but this discrete solution consumes a lot of real estate, and does not offer continuous operation through transient events. Linear Technology's family of High Voltage Surge Stoppers, ...

Video 

 

LTC4233/LTC4234 10A/20A Hot Swap Controllers with Guaranteed Safe Operating Area (SOA) - Video Product Brief

Pinkesh Sachdev - Product Marketing Engineer - Mixed Signal Aug 25th 2016
The LTC®4233 and LTC4234 are integrated solutions for Hot Swap™ applications that allow a board to be safely inserted and removed from a live backplane. The parts integrate a Hot Swap controller, power MOSFET and current sense resistor in a single package for small form factor applications. The MOSFET Safe ...

Video 

 

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 

 

DC2180A - LTC4371 Demoboard | Dual -48V, 50A Ideal Diode-OR

Jul 20th 2016
Demonstration circuit 2180A showcases the LTC4371 dual negative voltage ideal diode-OR controller and monitor, in a −48V, 50A application. Each channel includes two paralleled 2mΩ (Max) MOSFETs for a total dissipation of just 2.5W at full load. Power connections are made by way of 1⁄4" ring terminals with a ...

Demo Board 

 

95% Efficient at 2MHz 42V Sync Buck

Jun 24th 2016
Linear Technology’s family of high voltage synchronous step-down DC/DC switching regulators offer up to 95% efficiency. Switching at 2MHz, these low EMI parts utilize the Silent Switcher technology. Other features include spread spectrum frequency modulation, ultra-low quiescent current and are available with single, dual, ...

Blog Post 

 

Low Voltage Power Supplies

Robert Dobkin - Chief Technical Officer Jun 9th 2016
In this video, Linear Technology Co-founder and CTO Bob Dobkin discusses low voltage power supplies less than half a volt. Most of today's power supplies have a reference of 0.6 volts, which means the output voltage must be greater than 0.6 volts. Several years ago, Linear Technology pioneered a new type of current source reference ...

Video 

 

DC2024A-B - LTC4282 Demo Board with Programming Socket | 100A Hot Swap Controller with Telemetry [requires DC1613]

Jun 7th 2016
Demonstration circuit 2024A features the LTC®4282 high current Hot Swap™ controller. The LTC4282 is well suited to high power applications because the precise monitoring capability and accurate current limiting reduces the extremes in which both loads and power supplies must safely operate. Non-volatile configuration ...

Demo Board Linduino LTpowerPlay 

 

DC1840C - LTC4270B/LTC4271 Demo Board Kit | DC1680 + DC1682, 12-Port 25.5W PSE (req DC590)

Jun 1st 2016
Demonstration kit DC1840C is a 12-port IEEE 802.3at Type 2 power sourcing equipment (PSE) composed of a DC1682B daughter card and DC1680B mother board. The kit is used for evaluation of the LTC4270B and LTC4271 PSE chipset. Up to 12 powered devices (PDs) can be connected and powered from this system using a single power supply. ...

Demo Board QuikEval System 

 

Negative Voltage Ideal Diodes (Diode-OR Controllers)

Kevin B. Scott - Senior Strategic Marketing Engineer May 23rd 2016
An ideal diode (also referred to as a diode-OR controller and more generally as a PowerPath controller) is a robust, expanded functionality replacement for a discrete power diode. It consists of a MOSFET in place of the diode to provide a low voltage drop, low power dissipation switch that connects a power ...

Blog Post 

 

Buck-Boost DC/DC Converter with Intelligent PowerPath

James Noon - Applications Engineering Section Leader May 16th 2016
The LTC3118 combines a low-loss PowerPath controller with a single inductor buck-boost converter, resulting in a compact platform for multiple input designs. The LTC3118’s unique switch architecture allows operation from higher or lower voltage on either input, to a regulated output voltage. The wide input/output voltage ...

Video 

 

LTspice: Using Time-Dependent Exponential Sources to Model Transients

Mitchell Lee - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
May 15th 2016
When working with Surge Stoppers or Hot Swap Controllers, occasionally there is a need to simulate a circuit's behavior with a specified voltage or current transient. These transients are usually modeled using a double exponential waveform characterized by a peak voltage, a rise time (usually 10%–90%), a fall time to 50% ...

Blog Post LTspice 

 

DC1033B - LTC2952 Demo Board | Push-Button Power Path Controller w/ Supervisor

May 13th 2016
Demonstration circuit 1033B features the LTC©2952, a micropower, multipurpose, pushbutton On/Off PowerPath™ controller that provides voltage monitoring and supervisory features, as well as ideal diode power paths. Selectable PowerPath management modes allow a variety of power on and off configurations, including pushbutton ...

Demo Board 

 

Low Loss 3-Phase Ideal Diode Bridge Rectifier Reduces Heat, Easing Thermal Design

May 10th 2016
MILPITAS, CA -May 10, 2016 - Linear Technology Corporation announces the availability of a low loss 3-phase ideal diode bridge rectifier reference design, demonstrated on evaluation board DC2465. Conventional 3-phase rectifiers employ six diodes, but the diodes drop voltage and dissipate significant power at just a few amperes ...

Press Release 

 

DC2178A-B - LTC4380IDD-2 Demo Board | Low Quiescent Current Surge Stopper, Auto-Retry Version

May 5th 2016
Demonstration circuit 2178A showcases the LTC®4380 low quiescent current surge stopper in an application which can be configured for 12V, 1A or 24V/28V, 0.5A operation. The output voltage is clamped by the LTC4380, permitting the load to operate uninterrupted during transients of up to 250V and load dump surges such as ISO-16750-2 ...

Demo Board 

 

DC2178A-A - LTC4380IDD-1 Demo Board | Low Quiescent Current Surge Stopper, Latchoff Version

May 5th 2016
Demonstration circuit 2178A showcases the LTC®4380 low quiescent current surge stopper in an application which can be configured for 12V, 1A or 24V/28V, 0.5A operation. The output voltage is clamped by the LTC4380, permitting the load to operate uninterrupted during transients of up to 250V and load dump surges such as ISO-16750-2 ...

Demo Board 

 

Primer on PowerPath Controllers, Ideal Diodes & Prioritizers

Pinkesh Sachdev - Product Marketing Engineer - Mixed Signal Apr 29th 2016
Electronic systems powered by multiple DC sources are commonplace - they include handheld devices (USB port and battery), portable instruments (wall adapter and battery), and high-availability servers (main and redundant/auxiliary supply rails). Selecting the correct input supply to power the system is not a trivial ...

Blog Post 

 

Low Iq Surge Stopper for High Reliability Current Sensitive Applications

Hamza Salman Afzal - Applications Engineer Apr 26th 2016
Protecting sensitive electronic circuitry from voltage transients is an essential part of any system, be it automotive, industrial, avionic or battery-powered portable applications. Linear Technology offers a wide variety of solutions for these applications with the Surge Stopper family. LTC4380 is the exciting new member of ...

Video 

 

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