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power supply to my circuit

Prodigy 160 points

Replies: 4

Views: 557

I'm using the TPS54383EVM for converting 12v,2A 4000mah battery to 5v and 3.3v and it gives the o/p of 2A for each channel....
i want to give supply from 5v rail to 8*1 analog multiplexer SN74LV4051A, 5 no.of motor drivers DRV8835, 6 no.of INA326and LAUNCHXL-F28377S's jp5
from 3.3v rail to LAUNCHXL-F28377S's jp4 and MSP-EXP430G2
and i'm connecting another 2 motor drivers DRV8833 to 9v from the 12v battery using 7809 regulator and 4no. of TLO74 to the battery
my question is...is it safe to connect like that? is the current from the battery is required enough to all the components?

can u please tell me where i has to connect to the ground on LAUNCHXL-F28377S...when i'm applying 3.3v and 5v externally to jp4 and jp5 by removing jp1 and jp2.
hope u understand my problem...
please any one help me...

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