Maxim-integrated MAX15301 PMBus Command Set Manuel d'utilisateur télécharger pdf (Page 27)

MAX15301 PMBus Command Set User’s Guide

Rev 1 Page 27 of 53

VIN_UV_FAULT_RESPONSE

restart according to bits [5:3].

11 Stop regulating immediately, and then restart as soon as possible after the fault

condition abates. (Default setting)

Bits [5:3] determine the number of retry attempts. The MAX15301 supports only a subset of the full

PMBus functionality for this portion of the command:

000-110 No attempt is made to restart after a fault shutdown. (Default setting)

111 Attempt to restart continuously until commanded off, or until another fault

condition causes the unit to shut down.

Bits [2:0] determine the fault-tolerance or retry-delay timing. Each binary value in bits [2:0]

corresponds to a multiple of 100ms, up to a possible maximum of 111

bin

= 700ms. A value of 000

bin

will cause the MAX15301 to use the minimum possible timing value, typically about 30-40ms. (The

default timing for input undervoltage faults is 000

bin

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 52 53

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Maxim-integrated MAX15301 PMBus Command Set Manuel d'utilisateur Page 27