Solutions Search - Power Monitors
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 ...
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 ...
LTC2947 ±30A Power/Energy Monitor with Integrated RSENSE - Video Product Brief
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 ...
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, ...
I2C Primer: What is I2C? (Part 1)
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 ...
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 ...
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 ...
DC2428A - LTC2975 Demo Board Set | LTM4644 Quad 4A Power Supply Management (includes DC2382A + DC2363A) [requires DC1613]
Nov 20th 2015
The DC2428A is a two-board demonstration system for the LTC®2975 Power System Manager and LTM4644 quad 4A μModule regulator. The DC2382A contains all the circuitry needed to use the LTC2975 in a power system and control four power supplies. The DC2363A contains four power supplies (LTM4644) that the LTC2975 configures ...
MAX 10 NEEK Development Kit
Oct 5th 2015
The MAX 10 NEEK from Terasic is a full featured embedded evaluation kit based upon the MAX10 family of Altera FPGAs. It offers a comprehensive design environment with everything embedded developers need to create a processing based system. The MAX 10 NEEK delivers an integrated platform that includes hardware, design tools, ...
Linduino PSM
Mar 12th 2015
While many engineers use a dongle and tools to configure Power System Management devices via PMBus, a growing number of designs are adding Board Management Controllers, or connecting their PMBus to an existing microcontroller or application processer. At LTC, the dongle/tool option is comprised of a DC1613 and LTpowerPlay, and ...
Understanding Power Monitor Accuracy
Feb 20th 2015
Measurement of a system’s power consumption during a final factory test (before deployment into the field) is a prudent part of a test program for any product. But there is an increasing emphasis to bring this functionality into the product itself for “run-time” monitoring of power, current, supply voltage, ...
Four-Channel PMBus Power System Manager with Input Energy Monitoring for Comprehensive Power System Management
Jan 30th 2015
Systems with multiple power rails are becoming more efficient, but increasingly complex and difficult to design. In such systems, operating costs and complexity have shifted the power system design paradigm. To adapt, groups of power supplies need to be controlled and monitored to manage efficiency, to coordinate sequencing, ...
LTM4639 1.8V at 20A uModule Design with Input Current and Temperature Monitoring
Nov 24th 2014
The LTM®4639 is a complete 20A output high efficiency switch mode step-down DC/DC μModule (micromodule) regulator. Included in the package are the switching controller, power FETs, inductor and compensation components. Operating over an input voltage range from 2.375V to 7V, the LTM4639 supports an output voltage range ...
PMBus Digital Power System Manager Monitors Board Energy Consumption
Oct 28th 2014
MILPITAS, CA - October 28, 2014 - Linear Technology Corporation
introduces the LTC2975, a 4-channel PMBus digital power system
manager featuring current, power and energy monitoring of the
intermediate bus input to point-of-load (POL) converters.
Monitoring circuit board power and energy consumption is the first
step in managing, ...
DC1785B - LTC2991 Demo board | I2C Temperature, Voltage, and Current Monitor (req. DC590 or DC2026)
Oct 13th 2014
Demonstration circuit 1785B features the LTC®2991, a high performance temperature, voltage and current monitor that uses an I2C interface for communication. It offers sub-millivolt voltage resolution, 1% current measurement and 1°C temperature accuracy.
...
0V to 100V, 1% Accurate Energy Monitor Has 12-Bit Output
Sep 23rd 2014
MILPITAS, CA - September 23, 2014 - Linear Technology
Corporation introduces the LTC2946, a high or low side charge, power and energy
monitor for DC supply rails in the 0V to 100V range. An integrated
±0.4% accurate, 12-bit ADC and external precision time base
(crystal or clock) enables measurement accuracy better than ±0.6%
for ...
LTC2946 Power, Charge and Energy Monitoring in –48V System Using Low Side Sensing (1.5kHz I2C Interface)
Sep 18th 2014
The LTC®2946 is a rail-to-rail system monitor that measures current, voltage, power, charge and energy. It features an operating range of 2.7V to 100V and includes a shunt regulator for supplies above 100V. The current measurement common mode range of 0V to 100V is independent of the input supply. A 12-bit ADC measures ...
LTC2946 Bidirectional Power Monitor with Energy and Charge Monitor in Forward Path
Sep 18th 2014
The LTC®2946 is a rail-to-rail system monitor that measures current, voltage, power, charge and energy. It features an operating range of 2.7V to 100V and includes a shunt regulator for supplies above 100V. The current measurement common mode range of 0V to 100V is independent of the input supply. A 12-bit ADC measures ...
LTC2946 Dual Power, Charge and Energy Monitor Using Single Opto-Coupler for Galvanic Isolation and Blocking Diodes for Data Retention When Either Supply Fails
Sep 18th 2014
The LTC®2946 is a rail-to-rail system monitor that measures current, voltage, power, charge and energy. It features an operating range of 2.7V to 100V and includes a shunt regulator for supplies above 100V. The current measurement common mode range of 0V to 100V is independent of the input supply. A 12-bit ADC measures ...
LTC2946 Power, Charge and Energy Monitor for Main Supply and Power Monitor for Secondary Supply with Single LTC2946
Sep 18th 2014
The LTC®2946 is a rail-to-rail system monitor that measures current, voltage, power, charge and energy. It features an operating range of 2.7V to 100V and includes a shunt regulator for supplies above 100V. The current measurement common mode range of 0V to 100V is independent of the input supply. A 12-bit ADC measures ...
LTC2946 Power, Charge and Energy Monitor in –48V Harsh Environment Using INTVCC Shunt Regulator to Tolerate 200V Transients
Sep 18th 2014
The LTC®2946 is a rail-to-rail system monitor that measures current, voltage, power, charge and energy. It features an operating range of 2.7V to 100V and includes a shunt regulator for supplies above 100V. The current measurement common mode range of 0V to 100V is independent of the input supply. A 12-bit ADC measures ...
LTC2946 6V to 300V High Side Power, Charge and Energy Monitor
Sep 18th 2014
The LTC®2946 is a rail-to-rail system monitor that measures current, voltage, power, charge and energy. It features an operating range of 2.7V to 100V and includes a shunt regulator for supplies above 100V. The current measurement common mode range of 0V to 100V is independent of the input supply. A 12-bit ADC measures ...
DC2156A - LTC2946 Demo Board | Wide Range I2C Energy Monitor (req. DC590 or DC2026)
Sep 3rd 2014
Demonstration circuit 2156A features the LTC®2946 rail-to-rail system monitor that measures current, voltage, power, energy and charge. It features an operating range of 2.7V to 100V and includes a shunt regulator for operation from supplies above 100V to allow flexibility in the selection of input supply. The current measurement ...
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 ...
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 ...
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 ...
Altera Stratix IV E FPGA Development Kit
Jun 5th 2014
The Altera Stratix IV E FPGA Development Kit delivers a complete system-level design environment that includes both the hardware and software needed to immediately begin developing FPGA designs. You can use this development kit to develop and test memory subsystems consisting of DDR3 DIMMs, QDR II+, and RLDRAM ...
80V Wide Range I2C Power Monitor Simplifies Challenging System Monitoring Tasks
Mar 20th 2013
Accurate monitoring of power is an essential part of a reliable and energy efficient (green) system design. Measuring voltage and current of low voltage (1.8V to 36V) supplies is straightforward, but higher voltages present additional challenges. In this video, we will show the LTC2945 wide range I2C system monitor. This device ...
DC1697A - LTC2945 Demo Board | Wide Range I2C Power Monitor (requires DC2026)
Jan 16th 2013
Demonstration circuit 1697A features the LTC2945. The LTC2945 is a rail-to-rail system monitor that measures current, voltage, and power. It features an operating range of 2.7V to 80V and includes a shunt regulator for supplies above 80V to allow flexibility in the selection of input supply. The current common mode measurement ...
System Monitor with Instrumentation-Grade Accuracy Used to Measure Relative Humidity
Jan 1st 2013
Because much can be deduced about a physical system by measuring temperature, it is by far the most electronically measured physical parameter. Selecting a temperature sensor involves balancing accuracy requirements, durability, cost and compatibility with the measured medium. For instance, because of its low cost, a small-signal ...
DC1338B - LTC2990 Demo Board | I2C Temperature, Current & Voltage Monitor (requires DC2026)
Dec 4th 2012
DC1338B - Demo Board for:LTC2990 - I2C Temperature, Voltage and Current Monitor
...
Rail-to-Rail 80V Power Monitor Measures Current & Voltage with +/-0.75% Accuracy
Nov 7th 2012
MILPITAS, CA – November 7, 2012 – Linear Technology Corporation
introduces the LTC2945, a wide range I²C system monitor that monitors
the current, voltage and power of any 0V to 80V rail. In many
cases, prior power monitoring solutions are limited to 3V to 5V
supplies and monitor voltages less than 36V, requiring additional
circuitry ...
Octal Voltage, Current & Temperature Monitor Provides Accurate Internal & Remote Measurements
Sep 1st 2011
MILPITAS, CA – September 1, 2011 – Linear Technology Corporation
introduces the LTC2991, an 8-channel I²C temperature, voltage and
current monitor for 3V and 5V systems. The LTC2991 is a highly
integrated monitoring solution that incorporates a 14-bit ADC,
10ppm/°C voltage reference and I²C digital interface to provide
submillivolt ...
LTC2990 I2C Temperature, Voltage and Current Monitor - Video Product Brief
Feb 23rd 2011
The LTC2990 is used to monitor system temperatures, voltages and currents. Through the I2C serial interface, the device can be configured to measure many combinations of internal temperature, remote temperature, remote voltage, remote current and internal VCC. The internal 10ppm/°C reference minimizes the number of supporting ...
Digital Monitor Provides Accurate Internal & Remote Temperature Measurements
Sep 22nd 2010
MILPITAS, CA - September 22, 2010 - Linear Technology
Corporation introduces the LTC2990, an I2C
temperature and voltage monitor for 3V and 5V systems. Many
emerging, low voltage systems today rely on monitoring ICs to relay
parametric data used in assessing overall system health and
reliability. Traditional ADC implementations ...
Wet Bulb Psychrometer
Sep 3rd 2010
The LTC2990 is used to monitor system temperatures, voltages and currents. Through the I2C serial interface, the device can be configured to measure many combinations of internal temperature, remote temperature, remote voltage, remote current and internal VCC. The internal 10ppm/°C reference minimizes the number of supporting ...
Motor Protection/Regulation
Sep 3rd 2010
The LTC2990 is used to monitor system temperatures, voltages and currents. Through the I2C serial interface, the device can be configured to measure many combinations of internal temperature, remote temperature, remote voltage, remote current and internal VCC. The internal 10ppm/°C reference minimizes the number of supporting ...
LT2940 Power and Current Monitor - Video Product Brief
Feb 11th 2010
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
True Power & Current Monitor Enables Board & System-Level Optimization
Dec 14th 2009
MILPITAS, CA - December 14, 2009 - Linear Technology Corporation introduces the LT2940, a power and current monitor for 4V to 80V systems. The LT2940 provides the necessary circuits to accurately measure, monitor and control power in situations where both the current and voltage may vary due to supply voltage uncertainty, component ...
12.5W PWM Heat Source
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
LT2940 Adjustable 0W to 10W Load Box with UVLO and Thermal Shutdown
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
LT2940 Motor Monitor with Circuit Breaker
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
Secondary-Side AC Circuit Breaker
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
120W Supply Monitor Includes ICC of LT2940
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
LT2940 Fully Isolated AC Power and Current Monitor
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
LT2940 Wide Input Range 10W PWM Heat Source
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
DC1495A - LT2940| Power & Current Monitor
Nov 30th 2009
DC1495A - Demo Board for:LT2940 - Power and Current Monitor
...
LT2940 1-Cell Monitor with Bottom-Side Sense
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
LT2940 28V Power to Frequency Converter
Nov 30th 2009
In some environments isolation is necessary for safety or noise reasons. The circuit above shows a power-to-frequency converter using the LT2940. The PMON output alternately charges and discharges a film capacitor, C5. When the voltage on C5 charges to the upper threshold on hysteretic comparator LTC1440, its output flips ...
LT2940 Load Monitor Alarms Above 60W
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
LT2940 AC Power and Current Monitor
Nov 30th 2009
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
High-Side Power Monitor Measures Both Current and Voltage up to 80V
Feb 18th 2008
MILPITAS, CA February 18, 2008 Linear Technology Corporation
introduces the LTC4151, a high side power monitor that measures
current and input voltages from 7V to 80V. The LTC4151 utilizes an
internal 12-bit ADC to continuously measure both high side current
and input voltage to give a true power reading. The LTC4151
replaces ...
DC1208A - LTC4151 Demo Board | 80V High Side Power Monitor, req. DC2026
Jan 25th 2008
Demonstration circuit 1208A features the LTC4151 high side power monitor that accepts input voltages from 7V to 80V. In default operation mode, the onboard 12-bit ADC continuously measures high side current, input voltage and an external voltage. Data is reported through the I2C interface when polled by a host. The monitors ...
48V Power Monitor With Opto-Isolated Serial Interface
Jan 25th 2008
The LTC4151 is a high side power monitor that operates over a wide voltage range of 7V to 80V. In default operation mode, the onboard 12-bit ADC continuously measures high side current, input voltage and an external voltage. Data is reported through the I2C interface when polled by a host. The LTC4151 can also perform on-demand ...
High Side Current, Input Voltage and Open Fuse Monitoring with a Single LTC4151
Jan 25th 2008
The LTC4151 is a high side power monitor that operates over a wide voltage range of 7V to 80V. In default operation mode, the onboard 12-bit ADC continuously measures high side current, input voltage and an external voltage. Data is reported through the I2C interface when polled by a host. The LTC4151 can also perform on-demand ...
Isolated Current and Voltage Monitor
Jan 25th 2008
The LTC4151-1/LTC4151-2 split the SDA line into SDAI (input) and SDAO (LTC4151-1 inverted output) or SDAO (LTC4151-2 output) for convenience of opto-coupling with a host controller that sits at a different ground level.When using opto-isolators with the LTC4151-1, connect the SDAI to the output of the incoming opto-coupler ...
LTC4151 Interfaces with Isolation Barrier in -48V ATCA Application
Jan 25th 2008
For negative applications, VIN is measured with respect to the GND pin and the GND pin does not have to be at 0V. The I2C isolation is required since the I2C pins are also referenced to the GND pin.
For OV and UV, ADIN could be used to measure a voltage between 0V and 2.048V, and the value can be compared to an OV and/or ...
High Side Power Sensing with Onboard ADC and I2C
Jan 25th 2008
The LTC4151 is a high side power monitor that operates over a wide voltage range of 7V to 80V. In default operation mode, the onboard 12-bit ADC continuously measures high side current, input voltage and an external voltage. Data is reported through the I2C interface when polled by a host. The LTC4151 can also perform on-demand ...
Temperature Monitoring with an NTC Thermistor While Measuring Load Current and LTC4151 Supply Current
Jan 25th 2008
The LTC4151 is a high side power monitor that operates over a wide voltage range of 7V to 80V. In default operation mode, the onboard 12-bit ADC continuously measures high side current, input voltage and an external voltage. Data is reported through the I2C interface when polled by a host. The LTC4151 can also perform on-demand ...
High Side Power Sensing with Onboard ADC and I2C
Jan 25th 2008
The LTC4151 is a high side power monitor that operates over a wide voltage range of 7V to 80V. In default operation mode, the onboard 12-bit ADC continuously measures high side current, input voltage and an external voltage. Data is reported through the I2C interface when polled by a host. ...
High Voltage/Current and Temperature Monitoring
Jun 15th 2007
The LTC2990 is used to monitor system temperatures, voltages and currents. Through the I2C serial interface, the device can be configured to measure many combinations of internal temperature, remote temperature, remote voltage, remote current and internal VCC. The internal 10ppm/°C reference minimizes the number of supporting ...
Integrating Watt-Hour Meter
Mar 30th 2005
The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current proportional to instantaneous power. Bidirectional high side currents and bipolar voltage differences are correctly handled by the four-quadrant multiplier and push-pull output stage, which allows the LT2940 to indicate ...
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