Hi Neil, I've experimented a bit with this, and one thing I found is that EL wire really likes AC, like push and pull that is fairly well balanced. DC and chopped DC don't work very well. Best regards, Bob On Wed, Nov 18, 2015, at 08:59 PM, Neil wrote: > So I've got an EL driver that I want to use for a wearable, but it's=20 > bulky for that purpose, and I need something very thin. Seems the=20 > battery and transformer are the larger parts of the whole driver=20 > module. I decided to redesign it with a LiPo, but it seems that all the= =20 > EL driver circuits I'm finding have transformers. The EL-wire spec is=20 > 90-120V at 1Khz-2kHz. Couldn't I use a high-voltage LED driver for this= =20 > purpose? Something like Fig 8 here... > http://www.monolithicpower.com/DesktopModules/DocumentManage/API/Document= /getDocument?id=3D3473 >=20 > I'd still have to throw an oscillator in there to modulate the LED=20 > driver, so I'll have to experiment to see if the LED driver can switch=20 > on/off that quickly. >=20 > Anyone know of a simpler way to do this? Or maybe even a very thin (say= =20 > few mm tall) transformer that can work for this purpose? >=20 > Cheers, > -Neil. >=20 --=20 http://www.fastmail.com - A fast, anti-spam email service. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .