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LM5145: Dual phase operation, fault detection

Taketo Sato
Genius 10325 points
Part Number: LM5145

Hello team,

Now I am considering fault detection on LM5145 dual phase operation. I referenced below blog for LM5145 dual phase current sharing schematic.

How to design a simple two-phase current-sharing synchronous buck regulator using a voltage-mode con...
Other Parts Discussed in Post: LM5145 I’m often asked, “Can you tie the outputs of two voltage-mode buck controllers together, and will the currents in each phase share evenly?” Many experienced designers…
By in Technical articles > Power management

Is it possible to detect whether there is any troubles or there is no trouble on LM5145 dual phase operation?

 

For example, if below conditions are happened for some reason, how can we detect that the circuit has a trouble?

1). MASTER: Normal, SLAVE: Trouble(for example, FET doesn’t work and current doesn’t flow, and so on)

2). MASTER: Trouble(for example, FET doesn’t work and current doesn’t flow, and so on), SLAVE: Normal

 

Best regards,