LA55P DATASHEET PDF

LEM LA P: available from 11 distributors. Explore Sensors on Octopart: the fastest source for datasheets, pricing, specs and availability. Current Transducer LA P. For the electronic measurement of . This datasheet has been downloaded from: Datasheets for. LA55P datasheet, LA55P circuit, LA55P data sheet: LEM – Current Transducer LA P,alldatasheet, datasheet, Datasheet search site for Electronic.

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The flux cancelling current is fed to the output and will be directly proportional to the primary current. I suspect you only care about your power budget in which case your analysis is correct.

It is never driven into saturation if operated within spec and never leaves zero so there are no hysteresis effects either.

Post as a guest Name. Yes, I only care about the power budget since I need to size a power supply.

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LA55P Datasheet pdf – Current Transducer LA P – LEM

What is the satasheet power consumption of the transducer? So the maximum power drawn will consist of two components: This is represented in the schematic by the X-box. If this is total consumption for both supply pinscan I except that the transducer is going to draw equally on each supply pin, i. All of these devices work using Hall-effect sensors. This is rather clever as it removes all non-linearities of the core from the performance of the device.

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Worst case for the transducer will be with maximum current and voltage drop into minimum RM. The amplifier runs a current through the coil winding so that the flux in the core sums to zero. If I s flows out of the device it will be drawn dayasheet the positive supply and vv.

(PDF) LA55P Datasheet download

The power will be consumed by the transducer and the load RM. Thank you for clarifications, this is really helpful! This current transducer has 2 supply pins: You might want to re-phrase the question.

Home Questions Tags Users Unanswered. Note that this is the worst case possible, where you continuously measure 50A DC. In that case you will need to find the rms value of the current you measure to determine the average power you will need for driving I s.

If you measure sine-shaped or small currents, I s will on average be smaller, and so the average power will drop. And next to that it will draw I s from the supply “in general”.

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Current consumption of a current transducer (LEM LA P) – Electrical Engineering Stack Exchange

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Marko Gulin 1 5 The datasheet is not very comprehensive so I am guessing a bit. Sign up or log in Sign up using Google. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

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The device itself needs 10mA continuously from both supply rails to work.