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The power switch is a MIC2025-1, which can handle 500mA which was enough for the GPS module.
Yeah, they take (at least) 2A pulses - if you don't have a decent PSU then it won't work - as soon as it tries to transmit the voltage drops and the unit resets.Well I was thinking I can get the phone number to show up for the SIM900 I got it from radio shack for about nothing there was no papers nothing and google just showed people having the same problems but I read that it would reset if you wasn't using a 2 amp supply. I never tried it that way now i'm wondering if thats what was happping all alone.
cause I have had everything work up to the point where I start sending text then it would stop doing anything.
The micro package would be a problemNigal, this is a load switch designed for USB C - 2 amps at up to 36 volts. Pity it's some micro package!