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Power Management

Q&A LTM4644 overcurrent protection

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LTM4644 overcurrent protection

alanzha on Jun 15, 2018

Can someone give me more detailed description of LTM4644 overcurrent protection function?

How does it work? (working theory)

Overcurrent threshold?

Response time (turn-off time)

Recovery time (turn-on time)

etc.

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SYoung
Jun 16, 2018 +1 verified
Hi alanzha,

Thanks for the message. The spice model for the LTM4644 spice model regarding short circuit current limit is now under review. In the meantime the short circuit behavior is better represented…

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+1 SYoung

on Jun 16, 2018 2:42 AM
Hi alanzha,

Thanks for the message. The spice model for the LTM4644 spice model regarding short circuit current limit is now under review. In the meantime the short circuit behavior is better represented by simulating with an example LTC3605A spice model. Thanks.

LTC3605A.asc.zip
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+1 SYoung

on Jun 16, 2018 2:42 AM
Hi alanzha,

Thanks for the message. The spice model for the LTM4644 spice model regarding short circuit current limit is now under review. In the meantime the short circuit behavior is better represented by simulating with an example LTC3605A spice model. Thanks.

LTC3605A.asc.zip
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