ESP8266 Community Forum

- Mon Dec 15, 2014 6:22 am #4833 Just to add, I haven't found anything better than the MCP1640 either... but if anyone has suggestions I would welcome them.

Web Dev. (phpbb) | Hackaday | Git (esp) | Git (php)

- Tue Dec 16, 2014 6:38 pm #4982 I am currently powering the following devices with no problem at all from a single USB cable:

- ESP-07
- NRF51822
- µSD card

I m using a AP1117IE33G-13 LDO converter with a 470µF capacitor

All is working fine for weeks now

If this may help

Frantz

- Thu Dec 18, 2014 7:40 am #5054

Just to add, I haven't found anything better than the MCP1640 either... but if anyone has suggestions I would welcome them.

Have a look at TI's TPS6122x series - only 5.5μA Quiescent Current.

- Thu Dec 18, 2014 7:31 pm #5121 Nice but somewhat limited in current.... would definitely need a low leakage high performance cap... still it's worth testing...

Web Dev. (phpbb) | Hackaday | Git (esp) | Git (php)