What is it? SCLD stands for Solar Charger Led Driver Why did you make it? SCLD was designed in order to fix or upgrade or build your own night lights/garden lights/emergency lights What makes it spe…Read More…
SCLD stands for Solar Charger Led Driver
SCLD was designed in order to fix or upgrade or build your own night lights/garden lights/emergency lights
SCLD rev10 was designed to operate from a 5V power source. A 5V solar panel or wall adapter can be used
SCLD is charging a single series lithium battery with up to 500mA There is an onboard battery protection against over-discharging/over-charging/short circuit or over-current events as well as battery reverse polarity insertion
LED DRIVER OUTPUT
SCLD rev10 has a SEPIC converter in constant current mode as the output LED driver. This allows SCLD to drive ANY led from as little as 1.8V and up to 24V forward voltage. Efficiency is around 75% on average (using the battery from 4.2 down to 3V). You can set the output current using 4 solder jumpers for 20-150-300-500mA The driver has open LED protection but it is advised to avoid connecting battery/external power without a LED connected. Your only consideration using SCLD is setting the LED current correctly for the LED you are going to use. Set to 20mA output, it can for example turn on 7 white LED (forward voltage 3.3V)
SCLD rev10 is using a voltage comparator to enable the output. Using a solar panel it will turn on when there is not enough light
SCLD's practical applications are only limited by your imagination! Using a solar panel it will act as a night light or garden light while using a mains powered 5V source it will turn the LED on when power fails acting as an emergency light. It is particularly well suited to replaced aging or failing NiCd/NiMH garden lights or to create your own!
You will receive a fully assembled SCLD rev10 and a super bright (30000mCd) white LED
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|Shipping Rate||Tracked||Ships From||First Item||Additional Items|
Omar | May 30, 2021
Dafcho | Sept. 19, 2020
Gary | Aug. 12, 2020
Harvey | July 22, 2020
Jason | Oct. 27, 2018
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