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What is NCP1093?

This electronic component, produced by the manufacturer "ON Semiconductor", performs the same function as "Integrated IEEE 802.3at PoE-PD Interface Controller".


NCP1093 Datasheet PDF - ON Semiconductor

Part Number NCP1093
Description Integrated IEEE 802.3at PoE-PD Interface Controller
Manufacturers ON Semiconductor 
Logo ON Semiconductor Logo 


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NCP1093, NCP1094
Integrated IEEE 802.3at
PoE-PD Interface Controller
Description
The NCP1093 and NCP1094 are members of ON Semiconductor’s
high power HIPOt Power over Ethernet Powered Device (PoEPD)
product family and integrate an IEEE 802.3at PoEPD interface
controller.
Both variants incorporate the required functions such as detection,
classification, under voltage lockout, inrush and operational current
limit. A power good and NCLASS_AT signal have been added to
guarantee proper enabling/disabling of the DCDC controller for both
typeI and typeII operation. In addition, the NCP1093 offers a
programmable undervoltage while the NCP1094 provides an
auxiliary pin for applications supporting auxiliary supplies.
The NCP1093 and NCP1094 are fabricated in a robust high voltage
process and integrate a rugged vertical Nchannel DMOS suitable for
the most demanding environments and capable of withstanding harsh
environments such as hot swap and cable ESD events.
The NCP1093 and NCP1094 complement ON Semiconductor’s
ASSP portfolio in industrial devices and can be combined with stepper
motor drivers, CAN bus drivers and other highvoltage interfacing
devices to offer complete solutions to the industrial and security
market.
Features
Fully Supports IEEE 802.3af/at Specifications
Programmable Classification Current
Support Two Event ClassificationSignature
Adjustable Under Voltage Lock Out (NCP1094 Only)
OpenDrain Power Good Indicator
120 mA Typical Inrush Current Limit
680 mA Typical Operational Current Limit
Pass Switch Disabling Input for Rear Auxiliary Supply Operation
(NCP1094 Only)
Overtemperature Protection
Industrial Temperature Range 40°C to 85°C with Full Operation up
to 125°C Junction Temperature
0.6 W Hotswap Passswitch
Vertical Nchannel DMOS Passswitch Offers the Robustness of
Discrete MOSFETs
http://onsemi.com
DFN10
MN SUFFIX
CASE 485C
PIN CONFIGURATION
1
INRUSH
CLASS
DET
VPORTN1
VPORTN2
EP**
VPORTP
NCLASS_AT
*
PGOOD
RTN
(Top View)
*NCP1093 = UVLO
NCP1094 = AUX
** Exposed pad should be
connected to VPORTN
MARKING DIAGRAMS
NCP10
93MN
ALYWG
G
NCP10
94MN
ALYWG
G
NCP109xMN = Specific Device Code
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = PbFree Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
NCP1093MNG
NCP1093MNRG
Package
Shipping
DFN10 120 Units / Tube
(PbFree)
DFN10 3000 / Tape & Reel
(PbFree)
NCP1094MNG
DFN10 120 Units / Tube
(PbFree)
NCP1094MNRG DFN10 3000 / Tape & Reel
(PbFree)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2014
March, 2014 Rev. 2
1
Publication Order Number:
NCP1093/D

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NCP1093 equivalent
NCP1093, NCP1094
Recommended Operating Conditions
Operating conditions define the limits for functional operation and parametric characteristics of the device. Note that the
functionality of the device outside the operating conditions described in this section is not warranted. Operating outside the
recommended operating conditions for extended periods of time may affect device reliability.
Table 3. OPERATING CONDITIONS (All values are with respect to VPORTN unless otherwise noted.)
Symbol
Parameter
Min Typ
Max Units
Conditions
INPUT SUPPLY
VPORT
Input supply voltage
0 57 V VPORT = VPORTP –
VPORTN
SIGNATURE DETECTION
Offset_det1
I(VPORTP) + I(RTN)
2
5 mA VPORTP = RTN = 1.9 V
Rdet = 24.9 KW
Sleep_det1
I(VPORTP) + I(RTN)
15 21 mA VPORTP = RTN = 9.8 V
Rdet = 24.9 KW
Offset_det2
I(VPORTP) + I(RTN) + I(DET)
73 77
81 mA VPORTP = RTN = 1.9 V
Rdet = 24.9 KW
Sleep_det2
I(VPORTP) + I(RTN) + I(DET)
390 400 412 mA VPORTP = RTN = 9.8 V
Rdet = 24.9 KW
CLASSIFICATION
Vcl_on
Classification current turnon lower 9.8 11.3
threshold
13
V VPORTP rising
Vcl_off
Classification current turnoff upper
threshold
21
24 V VPORTP rising
Vclass_reg
Classification buffer output voltage
9.8
V 13 V < VPORTP < 21 V
Icl_bias
I(vportp) quiescent current during
classification
600 mA I(class) excluded
13 V < VPORTP < 21 V
Iclass0
Iclass1
Iclass2
Iclass3
Iclass4
V_mark
Class 0: Rclass 4420 W (Note 3)
Class 1: Rclass 953 W (Note 3)
Class 2: Rclass 549 W (Note 3)
Class 3: Rclass 357 W (Note 3)
Class 4: Rclass 255 W (Note 3)
Mark event voltage range
0
9
17
26
36
5.4
4 mA 13 V < VPORTP < 21 V
12 mA 13 V < VPORTP < 21 V
20 mA 13 V < VPORTP < 21 V
30 mA 13 V < VPORTP < 21 V
44 mA 13 V < VPORTP < 21 V
9.7 V VPORTP falling
I_mark
Ir(aVnPgOeRTP) + I(Rdet) during mark event
0.5
2 mA 5.4 V VPORTP 9.7 V
dR_mark
Input signature during mark event
(Note 4)
−−
12 kW
Vreset
Classification Reset range
4.3 4.9 5.4 V VPORTP falling
NCLASS_AT 2 EVENT CLASSIFICATION INDICATOR
Inclass
Nclass_low
I(NCLASS_AT) sinking current
NCLASS_AT voltage output low
UVLO INTERNAL SETTING NCP1093/94
−−
5 mA
0.2 0.5 V I(NCLASS_AT) = 2 mA
Vuvlo_on
Default turn on voltage
37 40 V VPORTP rising
Vuvlo_off
Default turn off voltage
29.6 31
V VPORTP falling
Vhyst_int
UVLO internal hysteresis
6
V
Uvlo_filter
UVLO On / Off filter time
100 ms For information only
3. A tolerance of 1% on the Rclass resistor is included in the min/max values.
4. Measured with the 2 Point Measurement defined in the IEEE 802.3af standard with 5.4 V and 9.7 V the extreme values for V2 & V1.
http://onsemi.com
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