News about Current Sense Amp Integrates Precision Shunt Resistor In Single Package

Texas Instruments says it is making, “high-accuracy measurement more attainable with the first current-sense amplifier to integrate a high-precision, low-drift 2 mΩ shunt resistor,” – the device can cut calibration effort, system cost, and footprint for test and measurement, communications load monitoring, and power supplies. For highly accurate measurements over a wide temperature range, TI’s INA250 integr ...

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Sensing current on the high side

As EDN's Design Ideas editor, I see a range of design submissions, from good, to not so good. A recent DI I turned down for several reasons included a high-side current sense circuit with implementation problems. This got me thinking about the different ways to accomplish current sensing on a voltage rail. At their heart, the majority of DC current sense circuits start with a resistance in a supply line (th ...

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How to Select a Resistor

When I was working on the next version of Common Parts Library, I realized that it would be helpful to explain why you might pick one type of passive component over another. We started off by writing “How to Select a Capacitor” last month, and are following it up with a close look at resistors this month. In this blog, we will explain all the different types of resistors, their merits and demerits, and popu ...

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LT3089 – 800mA Single Resistor Rugged Linear Regulator with Monitors

Features Extended Safe Operating Area Maximum Output Current: 800mA Stable with or without Input/Output Capacitors Wide Input Voltage Range: 1.2V to 36V Single Resistor Sets Output Voltage Output Current Monitor: IMON = IOUT/5000 Junction Temperature Monitor: 1μA/°C Output Adjustable to 0V 50μA SET Pin Current: 1% Initial Accuracy Output Voltage Noise: 27μVRMS Parallel Multiple Devices for Higher Current or ...

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LT3088 – 800mA Single Resistor Rugged Linear Regulator

Features Extended Safe Operating Area Maximum Output Current: 800mA Stable with or without Input/Output Capacitors Wide Input Voltage Range: 1.2V to 36V Single Resistor Sets Output Voltage Output Adjustable to 0V 50μA SET Pin Current: 1% Initial Accuracy Output Voltage Noise: 27μVRMS Parallel Multiple Devices for Higher Current, Heat Spreading and Lower Noise Pin Compatible Upgrade to LT1117 Reverse-Battery ...

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