LTC4292IUJ#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
The LTC4292IUJ#PBF is a quad-port IEEE 802.3bt Power-over-Ethernet PSE controller with digital control and Ethernet interface, managing up to 4 PoE ports with Type 3/4 support in a 40-pin QFN package. It delivers up to 90W per port with precise power monitoring and classification. From $18.50 in stock worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- LTC4292IUJ#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $8.2100(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC4292IUJ#PBF?
- Quad-port IEEE 802.3bt PoE PSE controller supporting Type 3 and Type 4 (up to 90W per port)
- Digital control interface with Ethernet connectivity for remote port management
- Accurate power classification and detection per IEEE 802.3bt standard
- Integrated current sensing for per-port power monitoring
- 40-pin QFN package with exposed thermal slug for efficient heat dissipation
- Supports single-signature and dual-signature PD detection for backward compatibility
What is LTC4292IUJ#PBF used for?
The LTC4292IUJ#PBF is designed for enterprise PoE switches, industrial Ethernet PSE midspans, and network access points requiring quad-port IEEE 802.3bt high-power PoE delivery with up to 90W per port. Its digital control interface enables precise per-port power budgeting, real-time current monitoring, and remote fault detection in managed switch and access point platforms. The device also suits building automation hubs, surveillance camera PoE injectors, and smart building controllers where multiple high-power PoE ports must be managed with accurate power limiting in a compact 40-pin QFN form factor.
What are the specifications of LTC4292IUJ#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1728 |
| Date Of Intro | 2018-04-24 |
| YTEOL | 10 |
| JESD-30 Code | S-PQCC-N40 |
| JESD-609 Code | e3 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC40,.24SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max | 57V |
| Supply Voltage-Min | 51V |
| Supply Voltage-Nom | 54V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | PSE CONTROLLER |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Where can I find the LTC4292IUJ#PBF datasheet?
LTC4292IUJ#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC4292IUJ#PBF?
Compatible alternatives and drop-in replacements for LTC4292IUJ#PBF:
suggested
Frequently Asked Questions
How many PoE ports does the LTC4292IUJ#PBF manage and what is the maximum power per port?
The LTC4292IUJ#PBF controls 4 independent PoE ports in a single IC, with each port capable of delivering up to 90W under IEEE 802.3bt Type 4 specification. This allows a single device to power 4 high-power Powered Devices (PDs) such as 802.11ax Wi-Fi access points, PTZ cameras, or thin-client computers simultaneously, with per-port power monitoring ensuring the total system budget does not exceed the PSE's upstream power supply capacity.
What IEEE 802.3bt classification modes does the LTC4292IUJ#PBF support for backward compatibility with older PoE PDs?
The LTC4292IUJ#PBF supports both single-signature and dual-signature PD detection as defined by IEEE 802.3bt, ensuring backward compatibility with IEEE 802.3af (15.4W) and IEEE 802.3at (30W) Type 1 and Type 2 devices. The hardware classification engine automatically identifies the PD's class (0 through 8) and allocates the appropriate power level from 15.4W up to 90W, protecting both the PSE and PD from over-power conditions without host CPU intervention.
For a compact managed PoE switch design, how does the LTC4292IUJ#PBF's 40-pin QFN package and digital interface simplify board integration?
The LTC4292IUJ#PBF integrates quad-port PSE control, power classification, and an Ethernet-compatible digital interface into a 40-pin QFN package measuring approximately 6 mm × 6 mm, consolidating functions that would otherwise require 4 discrete PSE controllers plus a separate management bus. The exposed thermal slug on the QFN package conducts heat directly to the PCB copper plane, handling the thermal load from 4 × 90W port management without an external heatsink in typical enterprise switch board designs.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
More from Analog Devices
LT3062EDCB#TRPBF
Small Outline No-lead
Integrated Circuit
LT3062EDCB#TRMPBF
Small Outline No-lead
Integrated Circuit
LT8641IUDC#TRPBF
Other
Integrated Circuit
HMC412AMS8GTR
Small Outline Packages
Integrated Circuit
LT3062HMS8E#PBF
Small Outline Packages
Integrated Circuit
LT3062IMS8E#PBF
Small Outline Packages
Integrated Circuit
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $16.5200 | $16.52 |
| 10+ | $11.5810 | $115.81 |
| 19+ | $10.8800 | $206.72 |
| 1000+ | $8.2100 | $8210.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit