Most efficient driver at low currents

[netprince]

This driver in HKJ’s review looks familiar, maybe this is what I used:

Test/Review of Anti-reverse Driver Board AX2002

Anti-reverse Driver Board AX2002 [image] [image] [image] [image] Driver is from banggood.com Product name: Anti-reverse Driver Board AX2002 Material: Double gold plated board current output: 1A current import: 3.3-8.4v Circuit board size: diamter 17mm x height 4.8mm PCB thickness: 1.5mm Protection:Reverse polarity protection, low voltage protection, mode memory function Suitable for the LED of type voltage 2.8-4V Measurements Single mode buck driver Tested with Cree XP-G2…