Advertisements

Archive for October 17th, 2014

LV Interface Board: +7 V Regulator

This takes most of the load off the Arduino Pro Mini’s teeny SMD regulator by knocking the +12 V ATX supply down to +7 V:

LV Power Interface - 7 V Regulator

LV Power Interface – 7 V Regulator

It’s on the heatsink beyond the ATX connector at the right¬†edge of the board:

Low Voltage Interface Board - detail

Low Voltage Interface Board – detail

It also provides a (more) stable voltage for the current sense amp than you can reasonably expect directly from the ATX power supply:

Current Sense Amp - schematic

Current Sense Amp – schematic

Not much to it: the thing Just Works…

Advertisements

,

Leave a comment