INA139 DATASHEET PDF

INA139 DATASHEET PDF

pendent and can range from V to 40V for the INA and. V to semiconductor products and disclaimers thereto appears at the end of this data sheet. The INA and INA are high-side, unipolar, current shunt monitors. Wide input common-mode voltage range, high-speed, low quiescent current, and. Texas Instruments INA Explore Texas Instruments on Octopart: the fastest source for datasheets, pricing, specs and availability.

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For a better experience, please enable JavaScript in your browser before proceeding. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at As it’s not, I’d very carefully check the pin connections and orientation of the ICs, a track fault or pin swap is the most likely problem.

Try to keep front and back photos the same size. To sense the current coming from the solar panel and going into the battery, I ina39 two INA current monitor chips. Articles Top Articles Search resources.

Initially, I had only the right hand side INA populated, then only the one on the left side of the schematic – both show the inz139 behaviour.

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I checked for short circuits and everything, nothing. Replacement Transformer Started by ncag Today at 7: Thanks for any help. Media In139 media New comments Search media.

Datasheets, Manuals or Parts. By continuing to use this site, you are consenting to our use of cookies. Post a good photo of front and back of your PCB or breadboard.

INA Datasheet(PDF) – TI store

Thread starter Odysseas Start date Oct 21, Hi everyone, I’m trying to build a solar charger, using a simple boost configuration. Not even a single miliamp. I datwsheet ramping up the battery voltage through a PSU no solar panel connected and at one volt, the current draw is already about mA.

The battery voltage will not exceed 30 volts. You must log in or register to reply here.

Pioneer Elite vsxtx water damage no power Started by Watin Today at This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.

INA current monitor draws too much current. From the data sheet: One ija139 now disappeared in smoke. Forums New posts Search forums. What could be going on here?

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INA139 current monitor draws too much current

Odysseas Member Oct 21, At one point, D4 wasn’t populated yet and the left hand side INA didn’t draw too much current. So, to determine whether the IC itself is defective, tie both inputs together essentially shorting the current sensing resistor and see whether the IC repeats the anomalous behavior.

Welcome to our site! Odysseas Member Oct 22, Click here to register now. Electro Tech is an online community with overmembers who enjoy talking kna139 and datsaheet electronic circuits, projects and gadgets. However, the current monitors start drawing way too much current the instant power is applied. There is nothing wrong with your schematic, it ties up perfectly with the INA datasheet. To participate you need to register.

I’ll triple check the pinout again. This would suggest that the problem only appears when pins 3 and 4 on the chip see any voltage above ground.