Rainbow Electronics MAX5929 User Manual
Page 17
MAX5927/MAX5929
Low-Voltage, Quad, Hot-Swap
Controllers/Power Sequencers
______________________________________________________________________________________
17
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.