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參數(shù)資料
| 型號： | TPS2340APFPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP80 |
| 封裝： | GREEN, PLASTIC, HTQFP-80 |
| 文件頁數(shù)： | 3/29頁 |
| 文件大?。?/td> | 578K |
| 代理商： | TPS2340APFPRG4 |
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TPS2340A
SLUS528A MARCH 2002 REVISED AUGUST 2002
11
www.ti.com
APPLICATION INFORMATION
Figure 1 shows three TPS2340A devices cascaded in a system to control six PCI or PCIX hot-plug slots. A
hot-plug controller communicates with three TPS2340A devices over a nine-signal serial bus. Three signals are
used to gather status information from the slots, and six signals are used to control the slots. In this bus, seven
of the nine signals are connected in parallel. The remaining signals facilitate a cascaded bus and are comprised
of the signal pair SIDI/SIDO and SODI/SODO. The SIDO signal drives the PCI hot-plug controller serial input
data pin or the SIDI pin of another upstream TPS2340. The SODI signal is driven by the PCI hot-plug controller
and is cascaded down to the next TPS2340A via the SODO signal.
The SIDO and SODO outputs are dual-function pins that also serve as mode-select pins upon the rising edge
of PGOOD. See Digital Circuits section for more details.
UDG01015
U1
PCI
HOTPLUG
CONTROLLER
SERIAL/PARALLEL CONVERTER
SOLC
SOLRC
SOR
SORR
SIC
SIL
ANALOG CONTROL
PCIXCAP1A
PCIXCAP2A
OUTPUTS
INPUTS
OUTPUTS
INPUTS
PGOOD
PMEO
TEST
PWR_GOOD PME
SWA
PRTSNT2A
PRTSNT1A
BUTTONA
M66ENA
PWRLEDA
ATTLEDA
BUSENA
CLKENA
RESETA
SLOT A
SWB
PRTSNT2B
PRTSNT1B
BUTTONB
M66ENB
PWRLEDB
ATTLEDB
BUSENB
CLKENB
RESETB
SLOT B
SOD
SID
SIDO/MODE0
SODI
SOD1
SID1
SIDI
SODO/MODE1
FaultA
AuxfltA
PwrenA
FaultB
AuxfltB
PwrenB
PCIXCAP1A
PCIXCAP2A
U2
ANALOG I/O
PMEB PCIXCAPB
PMEA PCIXCAPA
U3
U4
SOD2
SID2
SOD3
SID3
SLOTS C AND D
SLOTS E AND F
Figure 1. Hot-Plug System Block Diagram
analog circuits
power controller
The functional block diagram shows the TPS2340A with detailed information on the analog functions. For clarity,
circuits for only one slot are shown in detail.
3.3-V auxiliary supply (3.3-Vaux) support
In today’s hot-plug systems, a 3.3Vaux rail remains live while the system power is shut down to allow
implementation of the PCI Power Management Specification, version 1.1. The TPS2340A provides a 3.3-Vaux
input pin that is monitored for undervoltage and generates a 3.3-Vaux supply pin for each hot-plug slot that is
monitored for overcurrent. These supply pins are switched by the slot-specific SWx slot switch inputs. When
the slot switch is opened, the slot-specific 3.3-Vaux supply is disabled to allow safe removal of the adapter card.
When the slot switch is closed (SWx grounded), the slot-specific 3.3-Vaux supply is restored.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TPS2341PHP | 功能描述:IC DUAL SLT PCI PWR CTLR 48HTQFP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)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(nèi)部開關:是 電流限制:可調(diào) 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 |
| TPS2341PHPR | 制造商:Texas Instruments 功能描述:PCI HOT PLG PWR CNTRLR 48HTQFP - Tape and Reel |
| TPS2342PFP | 功能描述:熱插拔功率分布 Hot Plug 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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2342PFPG4 | 功能描述:熱插拔功率分布 Hot Plug 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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2342PFPR | 功能描述:熱插拔功率分布 Hot Plug 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: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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