Rainbow Electronics MAX5929 - Manual (Page 17)

MAX5927/MAX5929
Low-Voltage, Quad, Hot-Swap
Controllers/Power Sequencers
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PART
CHANNEL 1
FAULT
CHANNEL 2
FAULT
CHANNEL 3
FAULT
CHANNEL 4
FAULT
STAT1/
GATE1*
STAT2/
GATE2*
STAT3/
GATE3*
STAT4/
GATE4*
Yes X X X L/OFF L/OFF L/OFF L/OFF
X Yes X X L/OFF L/OFF L/OFF L/OFF
X X Yes X L/OFF L/OFF L/OFF L/OFF
X X X Yes L/OFF L/OFF L/OFF L/OFF
MAX5927 (POL = 1),
MAX5929_H
No No No No H/ON H/ON H/ON H/ON
Yes X X X H/OFF H/OFF H/OFF H/OFF
X Yes X X H/OFF H/OFF H/OFF H/OFF
X X Yes X H/OFF H/OFF H/OFF H/OFF
X X X Yes H/OFF H/OFF H/OFF H/OFF
MAX5927 (POL = 0),
MAX5929_L
No No No No L/ON L/ON L/ON L/ON
Table 4. Status Output Truth Table: Voltage-Tracking and Power-Sequencing Modes
(Note: STAT_ is asserted when hot swap is successful and t ON has elapsed. STAT_ is unasserted during a fault)
CHANNEL 1
FAULT
CHANNEL 2
FAULT
CHANNEL 3
FAULT
CHANNEL 4
FAULT
STAT1/
GATE1
STAT2/
GATE2
STAT3/
GATE3
STAT4/
GATE4
Yes Yes Yes Yes Unasserted/OFF Unasserted/OFF Unasserted/OFF Unasserted/OFF
Yes Yes Yes No Unasserted/OFF Unasserted/OFF Unasserted/OFF Asserted/ON
Yes Yes No Yes Unasserted/OFF Unasserted/OFF Asserted/ON Unasserted/OFF
Yes Yes No No Unasserted/OFF Unasserted/OFF Asserted/ON Asserted/ON
Yes No Yes Yes Unasserted/OFF Asserted/ON Unasserted/OFF Unasserted/OFF
Yes No Yes No Unasserted/OFF Asserted/ON Unasserted/OFF Asserted/ON
Yes No No Yes Unasserted/OFF Asserted/ON Asserted/ON Unasserted/OFF
Yes No No No Unasserted/OFF Asserted/ON Asserted/ON Asserted/ON
No Yes Yes Yes Asserted/ON Unasserted/OFF Unasserted/OFF Unasserted/OFF
No Yes Yes No Asserted/ON Unasserted/OFF Unasserted/OFF Asserted/ON
No Yes No Yes Asserted/ON Unasserted/OFF Asserted/ON Unasserted/OFF
No Yes No No Asserted/ON Unasserted/OFF Asserted/ON Asserted/ON
No No Yes Yes Asserted/ON Asserted/ON Unasserted/OFF Unasserted/OFF
No No Yes No Asserted/ON Asserted/ON Unasserted/OFF Asserted/ON
No No No Yes Asserted/ON Asserted/ON Asserted/ON Unasserted/OFF
No No No No Asserted/ON Asserted/ON Asserted/ON Asserted/ON
Table 5. Status Output Truth Table: Independent Mode
*L = Low, H = High.