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MAX5980AGTJ+ PDF预览

MAX5980AGTJ+

更新时间： 2024-01-07 01:20:18
品牌 Logo 应用领域
美信 - MAXIM 电信信息通信管理电信集成电路
页数 文件大小 规格书
50页 1992K
描述
Telecom Circuit, 1-Func, BICMOS, ROHS COMPLIANT, TQFN-32

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MAX5980AGTJ+ 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：8542.39.00.01Factory Lead Time：14 weeks
风险等级：2.2JESD-30 代码：S-XQCC-N32
长度：5 mm功能数量：1
端子数量：32最高工作温度：105 °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：0.8 mm
标称供电电压：54 V表面贴装：YES
技术：BICMOS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：5 mmBase Number Matches：1

MAX5980AGTJ+ 数据手册

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MAX5980A  
Quad, IEEE 802.3at/af PSE Controller  
for Power-over-Ethernet  
General Description  
The MAX5980A is a quad, power-sourcing equipment  
(PSE) power controller designed for use in IEEE  
Benefits and Features  
● IEEE 802.3at/af Compliance Enables PD Discovery,  
Classification, Current Limit, and Load-Disconnect  
Detection  
®
802.3at/af-compliant PSE. This device provides powered  
device (PD) discovery, classification, current limit, and  
load disconnect detection. The device supports both fully  
automatic operation and software programmability. The  
device also supports new 2-Event classification and Class  
5 for detection and classification of high-power PDs. The  
device supports single-supply operation, provides up to  
70W to each port (Class 5 enabled), and still provides  
high-capacitance detection for legacy PDs.  
• Provides Interoperability with Any Compliant PD  
• Two-Point Slope Measurement Verifies the Device  
Connected to the Port  
• Appropriate Settling Times Implemented to Reject  
50Hz/60Hz Power-Line Noise Coupling  
• High Power Beyond IEEE 802.3at/af Standard  
Supported with Additional Classification (Class 5)  
when Needed  
● IEEE Power-over-Ethernet (PoE) Transmission  
Facilitates Signaling Between Power-Sourcing  
Equipment (PSE) and Powered Devices (PDs)  
• Single-Supply Operation Provides Up to 70W per  
Port for PSE Applications, Allowing High-  
Capacitance Detection for Legacy PDs  
2
The device features an I C-compatible, 3-wire serial  
interface, and is fully software configurable and program-  
mable. The device provides instantaneous readout of  
port current and voltage through the I C interface. The  
2
device’s extensive programmability enhances system  
flexibility, enables field diagnosis, and allows for uses in  
other, nonstandard applications.  
• 0.25Ω Current-Sensing Resistor Helps Eliminate  
Power Losses when Sensing High Currents  
● Software-Configurable/Programmable Registers  
2
through I C-Compatible, 3-Wire Serial Interface  
The device is available in a space-saving, 32-pin TQFN  
(5mm x 5mm) power package and is rated for the automotive  
(-40ºC to +105ºC) temperature range.  
Produces Instantaneous Readout of Port Current  
and Voltage through 9-Bit Port Current and Voltage  
Monitoring  
• Supports DC Load-Removal Detection  
● Saves Space with Thermally Efficient Power Package  
• Available in a 32-Pin (5mm x 5mm) TQFN with an  
Exposed Pad for Heat Dissipation  
Applications  
● PSE-ICM  
● Power-Sourcing Equipment (PSE)  
● Switches/Routers  
● Midspan Power Injectors  
Ordering Information appears at end of data sheet.  
Simplified Operating Circuit  
AGND  
PORT 1  
OUTPUT  
-54V  
OUT1  
V
DD  
EN  
PORT 2  
OUTPUT  
GATE1  
OUT2  
MAX5980A  
EN  
AUTO  
MIDSPAN  
EN_CL5  
A0  
PORT 3  
OUTPUT  
GATE2  
OUT3  
PORT 4  
OUTPUT  
GATE3  
OUT4  
A1  
A2  
A3  
GATE4  
-54V  
IEEE is a registered service mark of the Institute of Electrical and  
Electronics Engineers, Inc.  
19-7422; Rev 1; 4/15  
1234567...50

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