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Do some circuit tracing and provide an accurate circuit diagram.

Related elements:

Originally Posted by Electric-Light. In your post 17 photograph it appears that there is a larger power device, possibly an FET, and not just a single chip regulator. Now you are ready for DFU commands! I would never design for a C junction temperature if I want long term reliability. Someone evaluated the same model Greenlite integral-ballast LED lamp in this video.

In the shown circuit this current sensor is 8. First, you’ll need to download and install the Particle driver.

You also provided a reference to a discussion on a regulator that was possibly not the BPH of post Two different date codes of these lamps were energized simultaneously and they have a dramatically different dimming curve which means they dim totally differently alongside on the same dimmer because they have different integral ballasts.

For debugging purposes, sometimes it helps to get a dump of all the system information. After this, you should install Zadig. For this, you can press s. A list of DFU commands is below. This will give you an output indicating the firmware that your device is using. Sorry for making this so long The key for Wi-Fi configuration is w. This means users closer to substation would chronically experience higher power consumption from these lamps as well as accelerated wear.


The configuration process will be almost identical to the process laid out in the Particle CLI command particle serial wifi. All times are GMT For this, you can press s The output will be a big confusing mess, which is why most of the time you won’t need to use it.

I don’t have time to edit it shorter.

Fundamentally it is an adjustable resistor that is continuously adjusted by control circuitry that senses the voltage drop across a current sensing resistor that is in series with the current thru the adjustable resistor. I think it’s a concern that a product that has gone through a cost reduction engineering change so drastic that the there’s nothing in common between the two products and they’re still allowed to bear the Energy Star logo under the same model number.

I don’t believe the criteria for Energy Star considered the potential of cost engineers coming back around to chip away realistic durability and performance from the product design and leaving behind the absolute minimum to meet the required by specifications.

2082r next problem is the needed power dissipation. Now you are ready to type some commands to get info about your device.

It is a very small chip and I doubt it for what are probable chip case temperatures. You can also configure your Wi-Fi using this method. Some Chinese designed LEDs are now using resistive series ballast.


Energy Star does not limit flicker in a meaningful way. If we assume that worst case load on the regulator is V at 0. The increase in power is increase in ballast power dissipation which increases temperature.

A switching regulator for LEDs require the use of energy storage such as inductors and a much more complicated circuit.

Also use a scope to analyze circuit operation. To start with this is above the maximum rating, and for realistic heat sinking conditions and maximum junction temperature you would not wnat to even operate datashest a 1. First question is can I physically build the circuit mechanical mounting to dissipate 1.

The datasheet specifies 1. The time now is The version he reviewed used a C capacitor, the version I evaluated used a C capacitor. To use these, you can download dfu-util via the above link, then go to the command line and run dfu-util with one of the following commands.

D Datasheet, PDF – Datasheet Search Engine

No limit on performance or durability deviation when operated above or below nominal voltage but within the ANSI tolerance. The circuit is moderately below the the maximum current rating and thus this is not a major concern. It looks like you have provided some misleading information.