INA149: The design issue for INA149

Zhang Liang

Genius 5485 points

Part Number: INA149

Tool/software:

Hi,

Pleaes confirm if INA149 can support over current protection circuit for 24VAC system, thanks.

over 1 year ago

0 Gerasimos Madalvanos over 1 year ago

TI__Mastermind 33753 points

Hello Zhang,

Yes, please see this section in the data sheet on current sensing. It will be able to sense the current through a shunt, however, you will need some other device for setting the OC threshold voltage and to give a logic high/low.

Best,
Gerasimos

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INA149: The design issue for INA149