參數(shù)資料
型號(hào)： TPS2320D
廠商： Texas Instruments, Inc.
英文描述： DUAL HOT SWAP POWER CONTROLLER WITH INDEPENDENT CIRCUIT BREAKER
中文描述： 雙熱插拔電源控制器與廉政斷路器
文件頁(yè)數(shù)： 15/22頁(yè)
文件大?。?/td> 409K
代理商： TPS2320D
TPS2320, TPS2321
DUAL HOT SWAP POWER CONTROLLER
WITH INDEPENDENT CIRCUIT BREAKER
SLVS276A – MARCH 200 – REVISED APRIL 2000
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
typical application diagram
Figure 26 shows a typical dual hot-swap application. The pullup resistor at FAULT should be relatively large
(e.g., 100 k
) to reduce power loss, unless it is required to drive a large load.
VREG
0.1
μ
F
IN1 ISET1
RISET1
ISENSE1
RSENSE1
GATE1
DISCH1
+
FAULT
VO1 or VO2
FAULT
TIMER IN2 ISET2 ISENSE2
GATE2
DISCH2
ENABLE
DGND
AGND
RISET2
+
VO1
VO2
ENABLE
1
μ
F
～
10
μ
F
RSENSE2
1
μ
F
～
10
μ
F
3 V
～
13 V IN1
3 V
～
5.5 V IN2
TPS2321
System
Board
Figure 26. Typical Dual 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
TPS2320/01 does not need to be mounted near the connector or to 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 IN1 and for IN2 should be placed close to the device.
output capacitor
A 0.1-
μ
F ceramic capacitor is recommended per load on the TPS2320/21; these capacitors should be placed
close to the external FETs and to TPS2320/21. A larger bulk capacitor is also recommended on the load. 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, each channel 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.
相關(guān)PDF資料
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TPS2320PW DUAL HOT SWAP POWER CONTROLLER WITH INDEPENDENT CIRCUIT BREAKER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS2320ID 功能描述:熱插拔功率分布 3-13V Dual w/Ind Chl Circuit Breaking 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
TPS2320IDG4 功能描述:熱插拔功率分布 3-13V Dual w/Ind Chl Circuit Breaking 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
TPS2320IDR 功能描述:熱插拔功率分布 3-13V Dual w/Ind Chl Circuit Breaking 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
TPS2320IDRG4 功能描述:熱插拔功率分布 3-13V Dual w/Ind Chl Circuit Breaking 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
TPS2320IPW 功能描述:熱插拔功率分布 3-13V Dual w/Ind Chl Circuit Breaking 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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