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參數(shù)資料
| 型號(hào)： | TPS2411PWG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO14 |
| 封裝： | GREEN, PLASTIC, TSSOP-14 |
| 文件頁數(shù)： | 6/31頁 |
| 文件大?。?/td> | 1020K |
| 代理商： | TPS2411PWG4 |
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N+1 POWER SUPPLY – TYPICAL CONNECTION
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SLVS727C – NOVEMBER 2006 – REVISED JUNE 2009 .................................................................................................................................................. www.ti.com
The N+1 power supply configuration shown in Figure 12 is used where multiple power supplies are paralleled for
either higher capacity, redundancy or both. If it takes N supplies to power the load, adding an extra, identical unit
in parallel permits the load to continue operation in the event that any one of the N supplies fails. The supplies
are ORed together, rather than directly connected to the bus, to isolate the converter output from the bus when it
is plugged-in or fails short. The TPS2410/11 with an external MOSFET emulates the function of the ORing diode.
It is possible for a malfunctioning converter in an ORed topology to create a bus overvoltage if the loading is less
than the converter’s capacity (e.g. N = 1). The ORed topology shown cannot protect the bus from this condition,
even if the ORing MOSFET can be turned off. One common solution is to use two MOSFETs in a back-to-back
configuration to provide bidirectional blocking. See the section on BIDIRECTIONAL BLOCKING AND
PROTECTION OF C.
ORed supplies are usually designed to share power by various means, although the desired operation could
implement an active and standby concept. Sharing approaches include both passive, or voltage droop, and
active methods. Not all of the output ORing devices may be active depending on the sharing control method, bus
loading, distribution resistences, and TPS2410/11 settings.
Figure 12. N+1 Power Supply Example
14
Copyright 2006–2009, Texas Instruments Incorporated
Product Folder Link(s): TPS2410 TPS2411
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| TPS2413PWR | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| TPS2420RSAR | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS2411PWR | 功能描述:熱插拔功率分布 N+1 OR-ing Pwr Rail Cntrlr 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 |
| TPS2411PWRG4 | 功能描述:熱插拔功率分布 N+1 and OR-ing Pwr Rail Controller 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 |
| TPS2412D | 功能描述:熱插拔功率分布 N+1/ORing Power Controller 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 |
| TPS2412DG4 | 功能描述:熱插拔功率分布 N+1/ORing Pwr Cntrlr 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 |
| TPS2412DR | 功能描述:熱插拔功率分布 N+1/ORing Power Controller 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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