參數(shù)資料
型號： TPS23841_07
廠商： Texas Instruments, Inc.
英文描述： HIGH-POWER, WIDE VOLTAGE RANGE, QUAD-PORT ETHERNET POWER SOURCING EQUIPMENT MANAGER
中文描述： 大功率，寬電壓范圍，四端口以太網(wǎng)供電設(shè)備管理器
文件頁數(shù)： 14/52頁
文件大?。?/td> 1011K
代理商： TPS23841_07
www.ti.com
AM Discovery
TPS23841
SLUS745–NOVEMBER 2006
AUTO MODE FUNCTIONAL DESCRIPTION (continued)
The TPS23841 uses a four-point measurement technique using two low level probe signals (typically 4.4 V and
8.8V) during the discovery process to determine whether a valid PD is present. The use of a multipoint detection
method for the PD resistor measurement allows accurate detection even when series steering diodes are
present. The low level probe voltages also prevent damage to non-802.3 devices. When a valid PD has been
detected the TPS23841 moves to classification. If a valid PD has not been detected the TPS23841 continues to
cycle through the discovery process. The waveform in
Figure 2
shows typical N-pin waveforms for the discovery
of a valid PD and the failure to discovery due to a discovery resistor of 15 k
and 33k
.
Figure 2.
14
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS23841PAP 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
TPS23841PAPG4 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
TPS23841PAPR 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
TPS23841PAPRG4 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
TPS23841PJD 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
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