YX8018 Joule Thief Solar LED Driver

A 4-pin integrated circuit for driving solar powered garden LED lights.

http://shiningic.com/download.asp?id=7

As found in the $3 Solar Lytworx LED spotlight from Bunnings:

https://www.bunnings.com.au/lytworx-27cm-3-led-spotlight-solar-light_p4352170

You can buy 10x YX8018 ICs on AliExpress for around $1.50:

https://www.aliexpress.com/item/10PCS-Solar-Driver-IC-YX8018-8018-Solar-Light-Joule-Thief-DC-DC-Converter-Booster-IC-1/32837214177.html

Contents:

• Ni-Cd AA 300mAh 1.2v rechargable battery
• YX8018 solar LED driver IC, TO-94 package
• Solar panel, 5cm x 5.5cm
• 3x white LED
• 100 Microhenrys +/-10% inductor (brown black brown silver)
• Switch

YX8018 pins:

• 1 LX
• 2 GND
• 3 CE
• 4 VDD

Fritzing:

Links:

• YX8018 product page
• YX8018 datasheet