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TPS2342PFPR PDF预览

TPS2342PFPR

更新时间： 2024-11-14 08:39:31
品牌 Logo 应用领域
德州仪器 - TI 电源电路电源管理电路功率控制控制器PC
页数 文件大小 规格书
53页 843K
描述
DUAL SLOT PCI-X 2.0 HOT PLUG POWER CONTROLLER

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中文翻译

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TPS2342PFPR 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：QFP
包装说明：GREEN, PLASTIC, HTQFP-80针数：80
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.82Is Samacsys：N
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-PQFP-G80JESD-609代码：e4
长度：12 mm湿度敏感等级：3
信道数量：3功能数量：2
端子数量：80最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HTFQFP封装等效代码：TQFP80,.55SQ
封装形状：SQUARE封装形式：FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260电源：3.3,5,+-12 V
认证状态：Not Qualified座面最大高度：1.2 mm
子类别：Power Management Circuits最大供电电压 (Vsup)：5.25 V
最小供电电压 (Vsup)：4.75 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：12 mm
Base Number Matches：1

TPS2342PFPR 数据手册

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SLUS572E − OCTOBER, 2003 − REVISED FEBRUARY 2005  
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FEATURES  
DESCRIPTION  
D
Supports PCI, PCI−X 1.0 and PCI−X 2.0  
The TPS2342 contains main supply power  
control, auxiliary supply power control, power  
FETs for 12-V, −12-V and auxiliary 3.3-V supplies,  
D
Internal Power Switches for –12 V, 12 V, 3.3 V  
Aux  
V
control, and digital control of slots. Each  
IO  
D
Control for External Power Switches for 5 V,  
TPS2342 contains supply control and switching  
for two slots. The TPS2342 supports both serial  
and direct communication to the slots.  
3.3 V, and V  
Io  
D
Overload Protection on All Supplies  
D
Input Under-Voltage Protection for 3.3 V, 5 V,  
The main power control circuits start with all  
supplies off and all outputs are held off until all  
power supplies to the TPS2342 are valid. When  
power is requested via the serial interface or by  
direct control, the control circuit applies constant  
current to the gates of the power FETs, allowing  
each FET to ramp load voltage linearly. Each  
supply can be programmed for a desired ramp  
rate by selecting the appropriate gate capacitor.  
The power control circuits monitor load current  
and latch off that slot if the load current exceeds  
a programmed maximum value. Once the 12-V,  
the 5-V, and the 3.3-V FETs are fully enhanced,  
the load voltage is monitored. If the load voltage  
drops out of specification after these FETs are fully  
enhanced, the slot latches off.  
12 V and V  
Supplies  
AUX  
D
D
D
D
D
D
Soft Start to Minimize Inrush Current  
Programmable Slew Rate for 3.3 V, 5 V, 12 V,  
V
and V  
Supplies  
IO  
AUX  
Multi-Slot or Single-Slot Serial Operating  
Mode  
Direct Operating Mode  
V
Selection Based on Card Type  
IO  
80-Lead PowerPadt TQFP Package  
APPLICATIONS  
D
Hot Plug Slots in Servers  
SIMPLIFIED APPLICATION DIAGRAM  
PCI-X 2.0 SLOT  
PCI-X 2.0 SLOT  
VIO  
VIO  
CONTROL  
LOGIC  
3.3VAUX 12V −12V CONTROL  
−12V 12V 3.3VAUX  
1.5 V  
3.3 V 5 V  
5 V 3.3 V  
1.5 V  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PowerPadt is a trademark of Texas Instruments Incorporated.  
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Copyright 2004, Texas Instruments Incorporated  
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ꢟ ꢣ ꢠ ꢟꢘ ꢙꢬ ꢛꢚ ꢞ ꢦꢦ ꢤꢞ ꢜ ꢞ ꢝ ꢣ ꢟ ꢣ ꢜ ꢠ ꢐ  
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