TI strengthens current shunt monitor portfolio with four industry-leading devices

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^{Published in Science and Technology on Tuesday, August 28th 2012 at 5:32 GMT by Market Wire}  

TI strengthens current shunt monitor portfolio with four industry-leading devices -- DALLAS, Aug. 28, 2012 /PRNewswire/ --

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Devices reduce board space and system cost, deliver high accuracy for wide range of products

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DALLAS, Aug. 28, 2012 /PRNewswire/ -- Texas Instruments Incorporated (TI) (NASDAQ: [ TXN ]) today expanded its industry-leading portfolio of current shunt monitors with four new devices. The integrated circuits (ICs) monitor power supply current, voltage and power values with best-in-class features that reduce board space and bill of materials (BOM), while delivering high accuracy. The [ INA3221 ], [ INA282 ], [ INA223 ], and [ LMP8480 ] current shunt monitors are optimized for a wide range of end-equipment, from smartphones, tablets, computers and servers, to power management devices, battery chargers, and industrial, telecommunications and test equipment. For more information and to order samples, visit: [ www.ti.com/currentshunt-pr ].   

Key features and benefits:

[ INA3221 ]: Triple-channel shunt and bus voltage monitor with I2C interface

• Industry's first triple-channel device with digital interface enables monitoring of three separate voltages, eliminating the need for discrete devices for each voltage rail.
• 80-uV maximum offset voltage and 0.5-percent gain error enable highly accurate current measurement and precision over-current detection for end equipment such as notebook and desktop PCs, base stations and servers.

[ INA282 ]: Wide common-mode range, bidirectional, high-accuracy current shunt monitor

• 70-uV maximum offset voltage and low gain error enable the use of smaller shunt resistors to reduce power consumption, board space and BOM.
• First device to combine wide common-mode range (-14 V to +80 V) and high common-mode rejection ratio (120 dB) with low offset voltage across multiple gain options. This feature combination increases accuracy in high-voltage applications, such as industrial system power units and telecom power systems.

[ INA223 ]: Analog output current shunt, voltage and instantaneous power monitor

• Industry's first analog multiple output current shunt device offers multiplexed current, voltage and instantaneous power values to reduce board space and BOM.
• Programmable gain of 20, 128 and 300 allows operation over a wide dynamic current load without switching the sensing element, improving response time and accuracy in high precision products, such as such as battery-powered notebooks, mobile phones and tablets.

[ LMP8480 ]: Precision high-side current sense amplifier with voltage output

• High common-mode voltage range of 4 V to 76 V and a high supply range of 4.5 V to 76 V reduce system cost by allowing the device to be powered from the same voltage node it is monitoring.
• Input offset voltage of 265 uV, 50-percent lower than the competition, increases sensing accuracy in high-precision applications, such as telecom, automotive and solar power monitoring.

Designers can develop a system management solution by combining an INA3221, INA222, INA223 or LMP8480 current shunt monitor with TI's [ OMAP ] ^TM processors, [ Stellaris ]® ARM® Cortex™-M microcontrollers, [ LM75A ] or [ TMP75 ] temperature sensor, as well as a wide range of analog monitoring and control integrated analog-to-digital converter (ADC) and digital-to-analog converter (DAC) solutions, such as the [ AMC7812 ] or [ LMP92001 ].

Tools and support

Evaluation modules (EVMs) as well as IBIS and SPICE models are available today to quickly evaluate these devices:

INA3221

• Evaluation module, with suggested retail price of $75 each: [ www.ti.com/ina3221evm-pr ].
• IBIS model: [ www.ti.com/ina3221ibis-pr ].

INA282

• Evaluation module, with suggested retail price of $49 each: [ www.ti.com/ina282evm-pr ].
• SPICE model: [ www.ti.com/ina282spice-pr ]. 

INA223

• Evaluation module, with suggested retail price of $75 each: [ www.ti.com/ina223evm-pr ].
• SPICE model: [ www.ti.com/ina223spice-pr ].

LMP8480

• Evaluation module, with suggested retail price of $49 each: [ www.ti.com/lmp8480evm-pr ].
• SPICE model: [ www.ti.com/lmp8480spice-pr ].

Engineers designing with these current shunt monitors can ask questions and get answers from TI experts in the TI E2E™ Community: [ www.ti.com/e2epa-pr ].

Package, availability and pricing

The new current shunt monitors are available to sample and purchase today. Packaging and suggested retail pricing in 1,000-unit quantities are as follows:

• [ INA3221 ], 4-mm x 4-mm, 16-pin QFN: US$1.85
• [ INA282 ], 4.9-mm x 6-mm, 8-pin SOIC: US$1.25
• [ INA223 ], 2.5-mm x 2.5-mm, 10-pin SON: US$1.15
• [ LMP8040 ], 4.9-mm x 3.0-mm, 8-pin MSOP: US$1.10

Learn more about TI's current shunt monitor portfolio by visiting the links below:

• Order INA3221 samples, IBIS models and EVMs: [ www.ti.com/ina3221samples-pr ].  
• Order INA282 samples, SPICE models and EVMs: [ www.ti.com/ina282samples-pr ].    
• Order INA223 samples, SPICE models and EVMs: [ www.ti.com/ina223samples-pr ].  
• Order LMP8480 samples, SPICE models and EVMs: [ www.ti.com/lmp8480samples-pr ].  
• Explore TI's entire current shunt monitor portfolio: [ www.ti.com/currentshuntport-pr ].

About Texas Instruments

Texas Instruments semiconductor innovations help 90,000 customers unlock the possibilities of the world as it could be – smarter, safer, greener, healthier and more fun. Our commitment to building a better future is ingrained in everything we do – from the responsible manufacturing of our semiconductors, to caring for our employees, to giving back inside our communities. This is just the beginning of our story. Learn more at [ www.ti.com ].

Trademarks

Stellaris is a registered trademark, and TI E2E and OMAP are trademarks of Texas Instruments. All other trademarks and registered trademarks belong to their respective owners.

SOURCE Texas Instruments Incorporated

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