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參數資料

型號：	TPS2492PW
廠商：	TEXAS INSTRUMENTS INC
元件分類：	電源管理
英文描述：	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
封裝：	GREEN, PLASTIC, TSSOP-14
文件頁數：	8/33頁
文件大小：	1096K
代理商：	TPS2492PW

SLUSA65A – JULY 2010 – REVISED AUGUST 2010

www.ti.com

Response to a Hard Output Short (Figure 15, Figure 16, and Figure 17)

Figure 15 shows the short circuit response over the full time-out period. An output short is applied, causing the

voltage to fall, limiter action begin, and the fault timer to start. The external FET current is actively controlled by

the power limiting engine and gate amplifier circuit while the TIMER pin charges CT to the 4-V threshold. Once

this threshold is reached, the TPS2492/93 turns off the external FET. The TPS2492 latches off until either the

input voltage drops below the UVLO threshold or UVEN cycles through the false (low) state. The TPS2493 will

attempt a restart after going through a timing cycle. Figure 16 demonstrates the operation of FLT during a short

circuit. FLT remains false (open drain) until the TIMER has expired.

Figure 15. Current Limit Overview

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Product Folder Link(s): TPS2492 TPS2493

相關PDF資料	PDF描述
TPS2540RTER	1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16
TPS2540RTET	1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16
TPS2541RTET	1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16
TPS2550DBV	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
TPS2551DRVR	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6

相關代理商/技術參數	參數描述
TPS2492PW	制造商:Texas Instruments 功能描述:HOT SWAP CONTROLLER IC 80V TSSOP-14
TPS2492PWR	功能描述:熱插拔功率分布 Pos Hi-Vltg Pwr-Ltd Hotswap Controller RoHS:否制造商:Texas Instruments 產品: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
TPS2493EVM-002	功能描述:電源管理IC開發工具 TPS2493 Hot Swap ontroller Eval Mod RoHS:否制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS2493EVM-004	功能描述:電源管理IC開發工具 TPS2493 Hot Swap ontroller Eval Mod RoHS:否制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS2493PW	功能描述:熱插拔功率分布 Pos Hi-Vltg Pwr-Ltd Hotswap Controller RoHS:否制造商:Texas Instruments 產品: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

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