NCP1092 Datasheet PDF - ON Semiconductor
| Part Number | NCP1092 | |
| Description | Integrated IEEE 802.3af PoE-PD Interface Controller | |
| Manufacturers | ON Semiconductor | |
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NCP1090, NCP1091,
NCP1092
Integrated IEEE 802.3af
PoE-PD Interface Controller
Description
The NCP1090, NCP1091 and NCP1092 are members of
ON Semiconductor’s high power HIPOt Power over Ethernet
Powered Device (PoE−PD) product family and integrate an IEEE
802.3af PoE−PD interface controller.
The 3 variants all incorporate the required functions as such
detection, classification, under voltage lockout, inrush and operational
current limit. A power good signal has been added to guarantee a good
enabling/disabling of the DC−DC controller. In addition, the
NCP1091 offers a programmable under−voltage while the NCP1092
provide an auxiliary pin for applications supporting auxiliary supplies.
The NCP1090, NCP1091 and NCP1092 are fabricated in a robust
high voltage process and integrates a rugged vertical N−channel
DMOS suitable for the most demanding environments and capable of
withstanding harsh environments such as hot swap and cable ESD
events.
The NCP1090, NCP1091 and NCP1092 complement
ON Semiconductor’s ASSP portfolio in industrial devices and can be
combined with stepper motor drivers, CAN bus drivers and other
high−voltage interfacing devices to offer complete solutions to the
industrial and security market.
Features
• Fully Supports IEEE 802.3af Specifications
• Programmable Classification Current
• Adjustable Under Voltage Lock Out (NCP1091 Only)
• Open−Drain Power Good Indicator
• 130 mA Inrush Current Limit
• 500 mA Operational Current Limit
• Pass Switch Disabling Input for Rear Auxiliary Supply Operation
(NCP1092 Only)
• Over−temperature Protection
• Industrial Temperature Range −40°C to 85°C with Full Operation up
to 125°C Junction Temperature
• 0.5 W Hot−swap Pass−switch
• Vertical N−channel DMOS Pass−switch Offers the Robustness of
Discrete MOSFETs
http://onsemi.com
SOIC−8
S SUFFIX
CASE 751AZ
TSSOP−8
T SUFFIX
CASE 948S
PIN CONFIGURATION
1
INRUSH
VPORTP
CLASS
*
DET
PGOOD
VPORTN
RTN
(Top View)
* NCP1090 = NC
NCP1091 = UVLO
NCP1092 = AUX
8
XXXXX
AYWWG
G
1
XXXXXX = Specific Device Code
A = Assembly Location
Y = Year
WW = Work Week
G = Pb−Free Package
ORDERING INFORMATION
Device
Package
Shipping†
NCP109xxxx
SOIC−8
(Pb−Free)
2500/Tape &
Reel
NCP109xxxx
TSSOP−8
(Pb−Free)
2500/Tape &
Reel
†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, 2011
February, 2011 − Rev. 2
1
Publication Order Number:
NCP1090/D
|
| |
 
NCP1090, NCP1091, NCP1092
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 turn−on lower 9.8 11.3
threshold
13
V VPORTP rising
Vcl_off
Classification current turn−off 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
Class 0: Rclass 4420 W (Note 3)
0−
4 mA 13 V < VPORTP < 21 V
Iclass1
Iclass2
Iclass3
Iclass4
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)
9−
17 −
26 −
36 −
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
UVLO − INTERNAL SETTING − NCP1090/91/92
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
UVLO − EXTERNAL SETTING – NCP1091 ONLY
Vuvlo_pr
UVLO external programming range
25
−
50 V VPORTP rising
Vuvlo_on2
External UVLO turn on voltage
1.14 1.2 1.26 V
Vhyst_off2
External UVLO turn off voltage
0.95 1
1.05 V
Uvlo_ipd
UVLO internal pull down current
− 2.5
− mA
AUXILIARY SUPPLY SETTING – NCP1092 ONLY
Aux_h
AUX input high level voltage
3.1 −
V
Aux_l
AUX input low level voltage
− − 0.6 V
Aux_pd
AUX internal pull down resistor
100 −
3. A tolerance of 1% on the Rclass resistor is included in the min/max values.
− KW For information only
http://onsemi.com
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for NCP1092 electronic component. |
| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ NCP1092.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| NCP1090 | The function is Integrated IEEE 802.3af PoE-PD Interface Controller. ON Semiconductor | |
| NCP1091 | The function is Integrated IEEE 802.3af PoE-PD Interface Controller. ON Semiconductor | |
| NCP1092 | The function is Integrated IEEE 802.3af PoE-PD Interface Controller. ON Semiconductor | |
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