CS Single Phase Bi-directional Power/energy ic. Features. Description. The is a highly integrated Analog-to-Digital Converter (ADC) which combines two. CS datasheet, CS pdf, CS data sheet, datasheet, data sheet, pdf, Cirrus Logic, Single Phase Bi-Directional Power/Energy IC. CS Datasheet, CS PDF, CS Data sheet, CS manual, CS pdf, CS, datenblatt, Electronics CS, alldatasheet, free, datasheet.

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Energy Meter Teardown

But, I am aware there datashwet some requirements relating to the types of capacitors that are used. Or a resistive shunt which would be much cheaper?

Immediately, a resistive shunt used to measure current can be seen on the bottom right of the green PCB. It appears that the circuit is using an X2 type capacitor — used to filter out differential mode noise and is connected between active and neutral.

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CSA | Cirrus Logic

Is there some sort of custom IC performing the energy measurement? This device would be interfacing to the CS via the serial interface.


I found it easier to prise the unit apart from the css5460. Also, is there any scope to hack the device, similar to the Tweet-a-Watt? Share your thoughts Cancel reply Enter your comment here Learn how your comment data is processed.

CS Datasheet pdf – Single Phase Bi-Directional Power/Energy IC – Cirrus Logic

Notify me of new posts via email. Email required Address never made public. There is some scope for customisation here. You are commenting using your Twitter account. A bonus is that the serial interface pins are clearly labelled on the PCB adjacent to the ribbon cable on the top right.

You are commenting using your Facebook account. You are commenting using your WordPress. A flat blade screwdriver is useful for prising the case apart.

Post was not sent – check your email addresses! Does the device use a current transformer CT?

CS5460 Datasheet PDF

When in service, current from the rear male prong connects to the obscured red wire, datasheeh through the resistive shunt and then through the other red wire to the front female contacts. Current measurement is performed using a resistive shunt. This site uses Akismet to reduce spam. This would be used for the auto-boot function described in the CS datasheet and it datsheet contain calibration and configuration settings.

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Anyway, a resistive shunt is used for the low cost current measurement and a custom IC handles all the power measurement calculations. Check out this linkit has some good overview information regarding mains rated caps.

Fill in your details below or click an icon to log in: Reviewing the datasheetthe device is a dedicated chip for performing voltage, current and energy consumption calculations. At that price, I was curious, how does someone manufacture and sell for some sort of profit a device that can measure up to W of power.

Once the case is apart, the internals are quite compact. The two heavy gauge wires are the active connection.

For the low price, how is the current measured.