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參數資料
| 型號： | TPS2345 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | CompactPCI Hot Swap Power Manager Industrial Temp IC that meets the PICMG Standard |
| 中文描述： | CompactPCI熱插拔電源管理集成電路工業溫度在PICMG符合標準 |
| 文件頁數： | 13/20頁 |
| 文件大小： | 411K |
| 代理商： | TPS2345 |
TPS2330, TPS2331
SINGLE HOT SWAP POWER CONTROLLER WITH
CIRCUIT BREAKER AND POWER-GOOD REPORTING
SLVS277A – MARCH 2000– REVISED APRIL 2000
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
typical application diagram
This diagram shows a typical dual hot-swap application. The pullup resistors at PWRGD and Fault should be
relatively large (e.g. 100 k
) to reduce power loss unless they are required to drive a large load.
VREG
0.1
μ
F
IN
ISET
RISET
ISENSE
RSENSE
GATE DISCH
VSENSE
RVSENSE_TOP
RVSENSE_BOTTOM
+
FAULT
PWRGD
FAULT
PWRGD
TIMER
ENABLE
DGND
AGND
VO
ENABLE
1
μ
F
～
10
μ
F
3 V
～
13 V IN
TPS2331
System
Board
Figure 18. Typical Hot-Swap Application
input capacitor
A 0.1-
μ
F ceramic capacitor in parallel with a 1-
μ
F ceramic capacitor should be placed on the input power
terminals near the connector on the hot-plug board to help stabilize the voltage rails on the cards. The
TPS2330/31 does not need to be mounted near the connector or these input capacitors. For applications with
more severe power environments, a 2.2-
μ
F or higher ceramic capacitor is recommended near the input
terminals of the hot-plug board. A bypass capacitor for IN should be placed close to the device.
output capacitor
A 0.1-
μ
F ceramic capacitor is recommended per load on the TPS2330/31; these capacitors should be placed
close to the external FETs and to TPS2330/31. A larger bulk capacitor on the load is also recommended. The
value of the bulk capacitor should be selected based on the power requirements and the transients generated
by the application.
external FET
To deliver power from the input sources to the loads, the controller needs an external N-channel MOSFET. A
few widely used MOSFETs are shown in Table 1. But many other MOSFETs on the market can also be used
with TPS23xx in hot-swap systems.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS2345PW | 功能描述:IC PWR MGR HOT SWAP 24-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:100 系列:- 類型:熱插拔開關 應用:通用 內部開關:是 電流限制:可調 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-TDFN-EP（3x3） 包裝:管件 |
| TPS2345PWR | 制造商:Rochester Electronics LLC 功能描述:COMPACTPCI HOT SWAP POWER MANAGER - Bulk |
| TPS2346PW | 功能描述:IC HOT SWAP POWER MGR 24-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:100 系列:- 類型:熱插拔開關 應用:通用 內部開關:是 電流限制:可調 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-TDFN-EP（3x3） 包裝:管件 |
| TPS2346PWR | 功能描述:熱插拔功率分布 Optical Network Hot Swap 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 |
| TPS2346PWRG4 | 功能描述:熱插拔功率分布 Optical Network Hot Swap 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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