MAX5952AEAX+ Maxim Integrated Products, MAX5952AEAX+ Datasheet - Page 5

• Manufacturer Part Number: MAX5952AEAX+
• Description: IC PSE CNTRLR FOR POE 36-SSOP
• Manufacturer: Maxim Integrated Products
• Type: Power Over Ethernet Controller (PoE)r

Specifications of MAX5952AEAX+

• Applications: Remote Peripherals (Industrial Controls, Cameras, Data Access)
• Internal Switch(s): No
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-BSOP (0.300", 7.5mm Width)
• Product: Controllers & Switches
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.71 V
• Power Dissipation: 941 mW
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Supply Current: 4.8 mA
• Input Voltage: 60V
• Digital Ic Case Style: SSOP
• No. Of Pins: 36
• Uvlo: 28.5V
• Frequency: 400kHz
• Interface: I2C
• Termination Type: SMD
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Controller Type: Power Over Ethernet PD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
V
wise.) (Note 2)
LOAD DISCONNECT
DC Load Disconnect
Threshold
AC Load Disconnect
Threshold (Note 6)
Oscillator Buffer Gain
OSC Fail Threshold (Note 7)
OSC Input Impedance
Load Disconnect Timer
DETECTION
Detection Probe Voltage
(First Phase)
Detection Probe Voltage
(Second Phase)
Current-Limit Protection
Short-Circuit Threshold
Open-Circuit Threshold
Resistor Detection Window
Resistor Rejection Window
CLASSIFICATION
Classification Probe Voltage
Current-Limit Protection
Classification Current
Thresholds
AGND
AGND
= +48V, V
= 32V to 60V, V
PARAMETER
DGND
_______________________________________________________________________________________
EE
= +48V, V
= 0V, V
DD
DD
V
SYMBOL
I
OSC_FAIL
D_OPEN
to V
V
R
V
V
I
I
A
Z
R
t
I
V
= (V
ACTH
CILIM
DCTH
DISC
DLIM
DBAD
V
DPH1
DPH2
I
OSC
OSC
DCP
DOK
CL
CL
High-Power, Quad, PSE Controller
DGND
DGND
= +3.3V, all voltages are referenced to V
Minimum V
(DC disconnect active), V
Current into DET_, for I < I
powers off, ACD_EN_ bit = H; V
V
Port does not power on if V
and ACD_EN_ bit is high
OSC input impedance when all the ACD_EN_
are active
Time from V
(Note 8)
V
phase
V
phase
V
current through DET_
If V
detection phase a short circuit to AGND is
detected
First point measurement current threshold for
open condition
(Note 9)
Detection rejects lower values
Detection rejects higher values
V
DET_ = AGND, during classification, measure
current through DET_
Classification current
thresholds between
classes
+ 3.3V), T
DET_
AGND
AGND
DET_
AGND
AGND
/V
= V
- V
- V
- V
OSC
- V
AGND
DET_
DET_
DET_
A
SENSE
SENSE
, ACD_EN_ bit = H
OUT
= +25°C. Currents are positive when entering the pin and negative other-
during the first detection
during the second detection
, during detection, measure
during classification
CONDITIONS
< V
allowed before disconnect
for Power-Over-Ethernet
< V
DCP
DCTH
after the first
OUT_
ACTH
OSC
Class 0, Class 1
Class 1, Class 2
Class 2, Class 3
Class 3, Class 4
Class 4, Class 5
to gate shutdown
= 0V
OSC_IN
< V
the port
OSC_FAIL
EE
= 2.2V
, unless otherwise noted. Typical values are at
19.0
MIN
300
100
300
2.5
2.9
1.8
3.8
9.0
1.5
5.5
32
16
68
13
21
31
45
TYP
3.75
1.75
12.5
14.5
320
3.0
9.3
6.5
23
33
48
4
1
MAX
26.5
15.2
350
400
5.0
3.1
2.2
4.2
9.6
2.0
7.5
20
81
16
25
35
51
UNITS
mV
V/V
mA
mA
mA
ms
µA
kΩ
µA
kΩ
kΩ
V
V
V
V
V
5