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SI3462-E01-GMR

更新时间： 2024-12-01 19:57:03
品牌 Logo 应用领域
芯科 - SILICON 电信电信集成电路
页数 文件大小 规格书
24页 1493K
描述
Telecom Circuit, 1-Func, QFN-11

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中文翻译

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SI3462-E01-GMR 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：HVQCCN,Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：0.69
JESD-30 代码：S-XQCC-N11长度：3 mm
功能数量：1端子数量：11
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
座面最大高度：1 mm标称供电电压：3.3 V
表面贴装：YES电信集成电路类型：TELECOM CIRCUIT
温度等级：INDUSTRIAL端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：3 mmBase Number Matches：1

SI3462-E01-GMR 数据手册

 浏览型号SI3462-E01-GMR的Datasheet PDF文件第2页浏览型号SI3462-E01-GMR的Datasheet PDF文件第3页浏览型号SI3462-E01-GMR的Datasheet PDF文件第4页浏览型号SI3462-E01-GMR的Datasheet PDF文件第5页浏览型号SI3462-E01-GMR的Datasheet PDF文件第6页浏览型号SI3462-E01-GMR的Datasheet PDF文件第7页 
Si3462  
SINGLE-PORT IEEE 802.3AT POE/POE+ PSE INTERFACE  
Features  
Pin Assignments  
Short-circuit output fault  
IEEE 802.3atTM compliant PSE  
Autonomous operation requires no  
host processor interface  
Complete reference design  
available, including Si3462 controller  
and schematic:  
protection  
Si3462  
GND  
LED status signal (detect,  
power good, output fault)  
UNH Interoperability Test Lab  
report available  
Extended operating range  
(–40 to +85 °C)  
1
2
3
4
5
10  
9
CLSMARK  
DC1  
STATUS  
ISENSE  
RST  
Low-cost BOM  
8
VDD  
Compact PCB footprint  
Operates directly from a +50 V  
isolated supply  
7
DC2  
VSENSE  
DETA  
11-Pin Quad Flat No-Lead (QFN)  
package  
6
CLSMODE  
Tiny 3x3 mm PCB footprint;  
RoHS-compliant  
Supports up to 30 W maximum  
output power (Class 4)  
No-classify modes force power  
after valid detection  
Eliminates 10 BOM  
components  
Robust 3-point detection algorithm  
eliminates false detection events  
IEEE-compliant disconnect  
Inrush current control  
11-pin QFN (3x3 mm)  
Top View—Pads on bottom of package  
Applications  
IEEE 802.3at endpoints and  
midspans  
Environment A and B PSEs  
Embedded PSEs  
Set-top boxes  
FTTH media converters  
Cable modem and DSL gateways  
Description  
The Si3462 is a single-port power management controller for IEEE 802.3at-  
compliant Power Sourcing Equipment (PSE). The Si3462 can be powered  
from a 50 V input using a shunt regulator, or, to save power, it can be powered  
from 50 V and 3.3 V power supplies. The IEEE-required Powered Device (PD)  
detection feature uses a robust 3-point algorithm to avoid false detection  
events. The Si3462's reference design kit also provides full IEEE-compliant  
classification and PD disconnect. Intelligent protection circuitry includes input  
under-voltage lockout (UVLO), classification-based current limiting, and output  
short-circuit protection. The Si3462 is designed to operate completely  
independently of host processor control. An LED status signal is provided to  
indicate the port status, including detection, power good, and output fault  
event information. The Si3462 is pin-programmable to support four available  
power levels, endpoint and mid-span applications, and auto-retry or restart  
after disconnect functions. A comprehensive reference design kit is available  
(Si3462-EVB), including a complete schematic and bill of materials. The  
Si3462 also features “no-classify” modes, for circumstances where detection  
is desired but classification steps can be skipped. Example applications  
include dedicated, point-to-point connections for IP cameras, point-of-sale  
terminals, and wireless access points where the application power  
requirements are well understood. These modes allow elimination of  
classification-related components from the bill of materials.  
Rev. 1.0 11/11  
Copyright © 2011 by Silicon Laboratories  
Si3462  
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