TPS2561 Unused Output

Mike Ulrich

Expert 3110 points

Other Parts Discussed in Thread: TPS2561

Hello,

Is it OK to leave OUT1 floating if it is unused?

Does applying an external 3.3V to FAULT1 deactivate OUT1?

Thank You,

Mike Ulrich

over 9 years ago

0 Eric Wright over 9 years ago

TI__Mastermind 42795 points

The unused output can be left open as well as the unused FAULT pin. To de-activate the unused OUT and FAULT pin, tie the corresponding EN pin to GND (for TPS2561).

Power management

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TPS2561 Unused Output