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E-STE08PSP

更新时间： 2024-11-02 19:58:47
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
45页 580K
描述
POWER SUPPLY MANAGEMENT CKT, PQFP80, 14 X 14 MM, ROHS COMPLIANT, TQFP-80

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中文翻译

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E-STE08PSP 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：QFP包装说明：TQFP-80
针数：80Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：S-PQFP-G80
长度：14 mm信道数量：8
功能数量：1端子数量：80
最高工作温度：85 °C最低工作温度：-20 °C
封装主体材料：PLASTIC/EPOXY封装代码：HTQFP
封装等效代码：TQFP80,.63SQ,25封装形状：SQUARE
封装形式：FLATPACK, HEAT SINK/SLUG, THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：3.3,10 V认证状态：Not Qualified
座面最大高度：1.2 mm子类别：Power Management Circuits
最大供电电压 (Vsup)：3.6 V最小供电电压 (Vsup)：3 V
标称供电电压 (Vsup)：3.3 V表面贴装：YES
温度等级：OTHER端子形式：GULL WING
端子节距：0.65 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：14 mm
Base Number Matches：1

E-STE08PSP 数据手册

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STE08PSP  
08-channel high-power integrated PSE line manager  
Preliminary Data  
Features  
■ Full programmable power sourcing equipment  
(PSE) power control device  
■ Supports up to 8 independent high-power (up  
to 50 W) channels, no need for external FET  
■ Low cost small size TQFP80 14 x14 exposed  
pad slug down plastic package  
■ Wide operating range: up to 90 V  
■ Legacy POE+ capable, with double current  
TQFP80 exposed pad  
14 mm x 14 mm  
limitation (Standard 802.3af or POE+)  
■ IEEE 802.3at pre-standard compliant  
■ Contiguous channel poweonsumption  
■ Auto EEPROM download for parameter setting  
registers for easy I2C rading  
■ Global power management for smart power  
■ Parallel monitor interface to ease channel  
sharing between different controllers  
operation mnitoring  
■ Enhanced integrated system power  
management algorithm with dynamic power  
allocation  
■ 3-level detection with signature resistance  
linety check  
■ Customizable signature detection capability  
with double signature detection distinct  
windows (IEEE or legacy)  
■ Automatic setting of power budget according to  
battery level (3 batteries supported)  
■ Independent per-port power settings (also  
■ Multiple classification attempt (MCA)  
runtime configurable)  
programmable structure  
■ Current sensing with external resistor down to  
500 mΩ  
Applications  
■ In-Rush current control, short circuit protection  
with folding, overlad  
■ Ethernet switches/routers  
■ Midspan power supplies  
■ IP-PBX  
■ Open circuit detector: AC and DC methods  
■ On-chip options  
– 3.3 V SMPS controller  
– 3.3 V linear regulator  
Description  
■ Low noise 12-bit A to D converter  
The STE08PSP architecture provides a complete  
PSE interface and a smart digital controller to  
efficiently manage all the functions in a  
■ Standard slave I2C interface for  
communication with host (Primary I2C)  
high-power POE system (up to 45 W) with port  
counts up to 64 without any host controller.  
■ Master/slave I2C (Secondary I2C) for intra-  
system communication  
■ Full support of RFC3621 MIB  
January 2008  
Rev 1  
1/45  
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to  
change without notice.  
www.st.com  
45  
1234567...45

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