參數(shù)資料
型號: TPS23841PAP
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64
封裝: PLASTIC, QFP-64
文件頁數(shù): 6/49頁
文件大?。?/td> 1345K
代理商: TPS23841PAP
www.ti.com
AM Discovery
SLUS745A – NOVEMBER 2006 – REVISED MAY 2007
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
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
TPS23841PJDG4 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