MAX5957AETN+ Maxim Integrated Products, MAX5957AETN+ Datasheet - Page 19
![IC CTRLR HOT-PLUG TRPL 56-TQFN](/photos/6/50/65031/56-tqfn_21-0135f_sml.jpg)
MAX5957AETN+
Manufacturer Part Number
MAX5957AETN+
Description
IC CTRLR HOT-PLUG TRPL 56-TQFN
Manufacturer
Maxim Integrated Products
Type
Hot-Swap Controllerr
Datasheet
1.MAX5957AETN.pdf
(25 pages)
Specifications of MAX5957AETN+
Applications
General Purpose, PCI Express
Internal Switch(s)
No
Voltage - Supply
3.3V, 12V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
56-TQFN Exposed Pad
Product
Controllers & Switches
Supply Voltage (max)
12 V
Supply Voltage (min)
3.3 V
Power Dissipation
3200 mW
Operating Temperature Range
- 40 C to + 85 C
Mounting Style
SMD/SMT
Supply Current
1 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 6. Fault Management Flowchart
Y
N
AUXON_ TOGGLED
RESET FAULT_
HIGH ≥ LOW ≥ HIGH
PRES_DET IS LOW
HIGH ≥ LOW
3.3VAUXIN IS OK,
AUXON_ IS HIGH,
LATCH-OFF
ON_ AND
OPTION?
ON_ TOGGLED
≥ HIGH
LATCH-OFF
OPTION?
Y
N
Y
Y
FAULT_ AND PWRGD_ ARE
______________________________________________________________________________________
N
Triple PCI Express, Hot-Plug Controllers
AUXILIARY OUTPUT.
RESET FAULT_
HIGH IMPEDANCE
N
POWER ON
SHUT DOWN ALL OUTPUTS.
Y
ASSERT FAULT_.
STAY WAITING
FOR t
STILL PRESENT?
MAIN INPUTS ARE
t
OK, ON_ IS HIGH
FAULT
RESTART
FAULT
N
ELAPSED?
N
N
MOSFET DRIVING 3.3AUXO_.
INTERNAL AUXILIARY
START COUNTING t
ENABLE CHARGE ON
Y
Y
Y
STILL PRESENT?
t
FAULT
START COUNTING
SU
RESET t
COUNTER
FAULT
ELAPSED?
t
FAULT
N
N
FAULT
ON 3.3G_ AND 12G_.
ENABLE CHARGE
RESET PWRGD_
START PGOOD
COUNTING t
MONITORING
THRESHOLD
12V AND 3.3V OUTPUTS.
START
STAY WAITING FOR
ASSERT FAULT_
SHUT DOWN
t
SU
RESTART
Y
Y
OR 3.3V OUTPUTS
FAULT ON 12V
START COUNTING
ELAPSED?
t
SU
t
N
FAULT
N
THRESHOLDS
ALL PGOOD
REACHED?
N
RESET t
Y
COUNTER
FAULT
Y
NO FAULT DETECTED
Y
AUX OUTPUT OK?
MAIN OUTPUTS OK?
N
ELAPSED?
DETECTED
NO FAULT
ARE ALL
t
ASSERT PWRGD_
SU
AFTER t
Y
N
N
N
DELAY
POR_HL
FAULT ON 3.3AUXO_?
Y
Y
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