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參數(shù)資料
| 型號： | TPS2363PFBRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48 |
| 封裝： | PLASTIC, TQFP-48 |
| 文件頁數(shù)： | 7/44頁 |
| 文件大?。?/td> | 840K |
| 代理商： | TPS2363PFBRG4 |
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Normal operating current
Charging
Bulk
Capacitors
Fault level
Circuit Breaker Turn On
www.ti.com
SLUS680B – JANUARY 2006 – REVISED JANUARY 2010
Circuit Breaker
Circuit breaker control does not protect the system from glitches on a fault. The backplane and power system
must be designed for a higher current level. The peak current is only limited by the RDS(on) of the power FET
used for the hot plug. When a fault occurs there is no current limit, the fault timer controls when power is turned
off to the module. The fault time is typically set in the 10 ms range. The high current of a fault can reduce the
voltage on the backplane causing the system or other boards to go to an unknown state, the system may have to
be reset on a fault or power cycled. A fast trip mode is active if not disabled by the SMBus. When the current
draw is much higher than the fault current setting, the output is turned off immediately without waiting for the fault
timer. This reduces the chance of voltage glitches that leave the system or other modules in an unknown state.
Figure 4 shows the turn on using circuit breaker, the current goes beyond the fault level as the current ramps,
then drops back when the capacitors are charged.
Figure 4. Hot Plug Circuit Breaker Turn On
Copyright 2006–2010, Texas Instruments Incorporated
15
Product Folder Link(s): TPS2363
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| TPS2363PFBG4 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TPS2370D | 功能描述:熱插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s 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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2370DG4 | 功能描述:熱插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s 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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2370DR | 功能描述:熱插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s 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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2370DRG4 | 功能描述:熱插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s 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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2370EVM | 制造商:Texas Instruments 功能描述:TPS2370EVM - Bulk |
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