參數(shù)資料
型號(hào)： 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)： 2/44頁
文件大?。?/td> 840K
代理商： TPS2363PFBRG4
SLUS680B – JANUARY 2006 – REVISED JANUARY 2010
www.ti.com
REFERENCE INFORMATION
PCIExpress CEM (Card Electromechanical Specification) Standard
Table 1. Power Supply Rail Requirements
POWER RAIL
x1 CONNECTOR
x4/x8 CONNECTOR
x16 CONNECTOR
3.3 V
Voltage tolerance
±9% (max)
Supply current
3.0 A (max)
Capacitive load
1000 mF (max)
12 V
Voltage tolerance
±8%
Supply current
0.5 A
2.1 A (max)
4.4 / 5.5 A (max)
Capacitive load
300 mF (max)
1000 mF (max)
2000 mF (max)
3.3 VAUX
Voltage tolerance
±9% (max)
Supply current
375 mA (max)
Wakeup enabled
20 mA (max)
Non-wakeup enabled
Capacitive load
150 mF (max)
Table 2. Add-in Card Power Dissipation(1) (2) (3) (4)
X1
x4/x8
x16
Standard height
10 W1 (max)
25 W1 (max)
25 W (max)
25 W2 (max)
75 W (max)(5)
Low profile card3
10 W (max)
25 W (max)
(1)
A standard height x1 add-in card intended for desktop applications is limited in length to a half-length add-in card and 10 W maximum
power dissipation. A standard height x1 add-in card intended for server I/O applications with 25 W maximum power dissipation must be
greater than or equal to 177.80 mm (7.0 inches) in length, but must not exceed a full-length add-in card. See PCIExpress CEM Table
6-1 for add-in card size definitions. The same server I/O add-in card must, at initial power-up, not exceed 10 W of power dissipation,
until configured as a high power device, at which time it must not exceed 25 W of power dissipation. Refer to Chapter 6 of the PCI
Express Base Specification for information on the power configuration mechanism.
(2)
A standard height x16 add-in card intended for server I/O applications must limit its power dissipation to 25 W. A standard height x16
add-in card intended for graphics applications must, at initial power-up, not exceed 25 W of power dissipation, until configured as a high
power device, at which time it must not exceed 60 / 75 W of power dissipation. Refer to Chapter 6 of the PCI Express Base
Specification for information on the power configuration mechanism.
(3)
All low profile add-in cards are limited in length to a half-length add-in card and must not exceed the power dissipation values shown in
Add-in Card Power Dissipation Table.
(4)
A x16 graphics card is limited to 60/75 W. The 60/75 W maximum can be drawn via the combination of 12-V and 3.3-V rails, but each
rail draw is limited as defined in Power Supply Rail Requirements Table, and the sum of the draw on the two rails cannot exceed 60/75
W.
(5)
150 W, x16 graphics 150 W ATX requires a second connector, each connector must be current limited to 75 W to insure that when a
fault occurs it will not damage the connectors. The TPS2490 is a good 12-V hot swap controller for the second cable.
10
Copyright 2006–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS2363
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TPS2370EVM 制造商:Texas Instruments 功能描述:TPS2370EVM - Bulk
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