Reddit reviews 5V Buck Converter, DROK LM2596 DC Step Down Voltage Regulator 5-36V 24V 12V to 1.25-32V 5V 5A 75W Reducer Module CC CV Volt Transformer Board with LED Display, USB Output for LED Driver
We found 1 Reddit comments about 5V Buck Converter, DROK LM2596 DC Step Down Voltage Regulator 5-36V 24V 12V to 1.25-32V 5V 5A 75W Reducer Module CC CV Volt Transformer Board with LED Display, USB Output for LED Driver. Here are the top ones, ranked by their Reddit score.
Wide Variable Voltage Range: drok dc to dc buck converter can tolerate widest variable Voltage range of 5-36v, adjustable output voltage range is 1.25v-32v, the max output current is 5A and the max output current is 75W3in1 Multimeter: our step down regulator is equipped with digital LED display which can display Voltage, current, power, No need of extra Multimeter, besides, the regulator has a USB output interface, which is suitable for various application (please note that the output of the USB interface is the same as the output of the module, NOT fixed 5V output), handy and convenientCC and CV two Working Mode: the voltage Stabilizer module has constant Voltage and constant current two working mode and has indicator to indicate which mode the module is in, which can be high power constant current LED driverMultiple Protection: our 5v buck converter has current limiting protection, short circuit protection and over-temperature protection, hence safe for useVarious Application: the power transformer board can be used as the charger for the Lithium battery and in various occasion, such as solar panel, wind turbines the converter can also drive high power LED
That is a very cute chip but as far as I know it isn't used in any commercial products.
I mean boards like this. Though that is pretty expensive for one. And the built-in volt meter can't be trusted. Mine reads 0.2V low.
Overcharge is prevented by the set voltage on the regulator. But you want a buck regulator not a boost. Bucks will lower the voltage. A 12V 1A panel can be lowered to 4V (and 3 amps) that the batteries need for charging. Set the voltage correctly and they won't be over charged.
A simple "dumb" switching regulator won't be as perfect as MPPT but it will be close. And it will be far better than PWM choppers most <100W controllers use.