LTC4291-1中文資料亞德諾數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)
| 廠商型號(hào) |
LTC4291-1 |
| 功能描述 | 24-/48-Port IEEE 802.3bt PoE PSE Controller |
| 文件大小 |
2.57353 Mbytes |
| 頁(yè)面數(shù)量 |
39 頁(yè) |
| 生產(chǎn)廠商 | AD |
| 中文名稱(chēng) | 亞德諾 |
| 網(wǎng)址 | |
| 數(shù)據(jù)手冊(cè) | |
| 更新時(shí)間 | 2026-1-21 8:23:00 |
| 人工找貨 | LTC4291-1價(jià)格和庫(kù)存，歡迎聯(lián)系客服免費(fèi)人工找貨 |
LTC4291-1規(guī)格書(shū)詳情
FEATURES
? Fully Compliant IEEE 802.3bt Type 3 2-Pair PSE
? Up to 48 PSE Ports with One Power Channel per Port
? +80V/–20V Tolerant Port-Facing Pins
? ECC-Protected eFlash and Data RAMs
? Industry-Leading Power Path Efficiency
? 100mΩ Sense Resistance
? 30mΩ or Lower MOSFET RDS(ON)
? Chipset Provides Electrical Isolation
? Eliminates Optos and Isolated 3.3V Supply
? Very High Reliability Multipoint PD Detection
? Continuous Voltage, Temperature, and Current Monitoring
? 1MHz I2C Compatible Serial Control Interface
? Pin or I2C Programmable PD Power
? Available in a 24-Lead 4mm × 4mm (LTC9101-2B) and 64-Lead
7mm × 11mm (LTC9102) QFN Packages
APPLICATIONS
? PoE PSE Switches/Routers and Midspans
DESCRIPTION
The LTC?9101-2B/LTC9102 chipset is a 12-/24-/48-port power
sourcing equipment (PSE) controller designed for use in IEEE
802.3bt-compliant Type 3 2-pair Power over Ethernet (PoE) systems.
The LTC9101-2B/LTC9102 is designed to power compliant
802.3af, 802.3at, and 802.3bt PDs. The LTC9101-2B/LTC9102
chipset delivers lowest-in-industry heat dissipation by utilizing low
RDS(ON) external MOSFETs and 0.1Ω sense resistance per power
channel. A transformer-isolated communication protocol replaces
expensive opto-couplers and a complex isolated 3.3V supply, resulting
in significant BOM cost savings.
Advanced power management features include per-port 14?bit current/
voltage monitoring, programmable power limits, and versatile
fast shut down of preselected ports. PD detection uses a proprietary
multipoint detection mechanism ensuring excellent immunity
from false PD identification. Autoclass and 2-event physical classification
are supported. The LTC9101-2B/LTC9102 includes an I2C
serial interface operable up to 1MHz. The LTC9101-2B/LTC9102
is pin or I2C programmable to negotiate PD delivered power up to
25.5W.
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
ANALOG DEVICES |
2022+ |
原廠原包裝 |
8600 |
全新原裝 支持表配單 中國(guó)著名電子元器件獨(dú)立分銷(xiāo) |
詢(xún)價(jià) | ||
ADI(亞德諾) |
25+ |
N/A |
11528 |
樣件支持,可原廠排單訂貨! |
詢(xún)價(jià) | ||
ADI/亞德諾 |
23+ |
QFN |
89630 |
當(dāng)天發(fā)貨全新原裝現(xiàn)貨 |
詢(xún)價(jià) | ||
LINEAR |
26+ |
QFN |
12000 |
原裝，正品 |
詢(xún)價(jià) | ||
ADI/亞德諾 |
22+ |
QFN |
100000 |
代理渠道/只做原裝/可含稅 |
詢(xún)價(jià) | ||
LINEAR/凌特 |
18+ |
QFN |
24415 |
全新原裝現(xiàn)貨,可出樣品,可開(kāi)增值稅發(fā)票 |
詢(xún)價(jià) | ||
LINEAR |
18+ |
QFN |
54 |
一級(jí)代理,專(zhuān)注軍工、汽車(chē)、醫(yī)療、工業(yè)、新能源、電力 |
詢(xún)價(jià) | ||
ADI(亞德諾) |
25+ |
N/A |
11580 |
正規(guī)渠道,免費(fèi)送樣。支持賬期,BOM一站式配齊 |
詢(xún)價(jià) | ||
ADI/亞德諾 |
20+ |
24-LeadQFN(4mmx4mmx0 |
33680 |
ADI全新原裝-可開(kāi)原型號(hào)增稅票 |
詢(xún)價(jià) | ||
ADI |
25+ |
24-Lead QFN (4mm x 4mm x 0.75m |
5500 |
4 端口 IEEE 802.3bt PoE PSE 控制器 |
詢(xún)價(jià) |
