This reference design uses the LM51521-Q1 boost controller to supply an 8-V, 3-A load and has been optimized to operate from a single-cell supercapacitor at the input. The converter can discharge a supercapacitor as low as 1.0 V to leverage as much stored energy as possible to open a car door in an emergency situtation, where the KL30 car battery voltage is not present.
Features
- Converter can operate from a single-cell supercapacitor and deliver 24-W output power.
- Design operates down to 1.0-V input voltage enabling deep discharge of a supercapacitor.
- High efficiency conversion is due to use of synchronous rectification.
- Starts up from as low as 1.25 V.
- Design has been built and tested with test report being available.