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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But, I am aware there are some requirements relating to the types of capacitors that are used.

Anyway, a resistive shunt is used for the low cost current measurement and a custom IC handles all the power measurement calculations. 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. Is there some sort of custom IC performing the energy measurement?

CSA | Cirrus Logic

For the low price, how is the current measured. This would be used for the auto-boot function described in the CS datasheet and it would contain calibration and configuration settings.


This site uses Akismet to reduce spam. A flat blade screwdriver is useful for prising the case apart. You are commenting using your Twitter account. I found it easier to prise the unit apart from the datashwet. Sorry, your blog cannot share posts by email. 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.

Check out this linkit has some good overview information regarding mains rated caps. Once the case is apart, the internals are quite compact. Current measurement is performed using a resistive shunt. Immediately, a resistive shunt used to measure current can be seen on the bottom right of the green PCB.

Or a resistive shunt which would be much cheaper? This device would be interfacing to the CS via the serial interface.

Fill in your details below or click an icon to log in: A bonus is that the serial interface pins are clearly labelled on the PCB adjacent to the ribbon cable on the dtaasheet right.


Share your thoughts Cancel reply Enter your comment here Does the device use a current transformer CT?

Energy Meter Teardown

Email required Address never made public. There is some scope for customisation here. Learn how your comment data is processed. Also, is there any scope to hack the device, similar to the Tweet-a-Watt?

Single-Phase, Bi-Directional Power/Energy IC

Post was not sent – check your email addresses! Notify me of new comments via email. When in service, current from the rear male prong connects to the obscured red wire, passes through the resistive shunt and then through the other red wire to the front female contacts. You are dqtasheet using your Facebook account. You datahseet commenting using your WordPress. The two heavy gauge wires are the active connection.

Reviewing the datasheetthe device is a dedicated chip for performing voltage, current and energy consumption calculations.

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