This 24V to 36V linear battery charger is long overdue. While this is an old circuit technique, it is optimized for charging higher voltage lead-acid battery packs, and could be used on other types of ...

Both standard and low-profile power transformers have been developed for 24V primary uses, such as HVAC and various instrumentation applications. The low-profile SLP-24-050 through SLP-24-300 ...

Phoenix Contact has two new DC-DC transformers rated at 24V/1A in its Mini Power power supply range. They transform direct voltages ranging from 36 to 74V (or 10 to 32V for the second DC-DC ...

I don’t get why he uses an opto isolator. Isolation from the main is already done through the 24V transformer. A driver made with a 2n2222 and 2n2907 is enough too.