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TPS2458RHB PDF预览

TPS2458RHB

更新时间： 2024-11-08 05:52:23
品牌 Logo 应用领域
德州仪器 - TI 电源电路电源管理电路监视器控制器
页数 文件大小 规格书
28页 967K
描述
12-V/3.3-V Hot Swap and ORing Controller with Load Current Monitor for AdvancedMC™

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TPS2458RHB 技术参数

生命周期：Obsolete零件包装代码：QFP
包装说明：HVQCCN,针数：32
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.7
其他特性：ALSO REQUIRES ON 12V SUPPLY可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PQCC-N32
长度：5 mm信道数量：1
功能数量：2端子数量：32
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：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
认证状态：Not Qualified座面最大高度：1 mm
最大供电电压 (Vsup)：4 V最小供电电压 (Vsup)：3 V
标称供电电压 (Vsup)：3.3 V表面贴装：YES
温度等级：INDUSTRIAL端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：5 mmBase Number Matches：1

TPS2458RHB 数据手册

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TPS2458  
www.ti.com ............................................................................................................................................................................................ SLUS916–FEBRUARY 2009  
12-V/3.3-V Hot Swap and ORing Controller with Load Current Monitor for AdvancedMC™  
1
FEATURES  
DESCRIPTION  
2
•
ATCA AdvancedMC™ Compliant  
The TPS2458 AdvancedMC™ slot controller is fully  
compliant with the AdvancedMC™ Standard and  
provides the required accuracy to meet the demands  
of an AdvancedMC™ (Advanced Mezzanine Card)  
module.  
•
•
Full Power Control for an AdvancedMC™  
Module  
Programmable 12-V Current Limit and Fast  
Trip  
The TPS2458 is an extremely flexible solution that  
protects both the power supply and the load by  
limiting the maximum current into the load, shutting  
off in case of a fault. If a severe fault occurs the  
current shuts off immediately.  
•
•
•
•
•
•
•
Optional 12-V ORing Control for MicroTCA™  
Internal 3.3-V Current Limit  
Programmable Shunt Gain  
Interlock Requires 3.3-V Output Prior to 12 V  
12-V and 3-V Power Good and Fault Outputs  
Load Current Monitor  
Optional ORing support is inherent in the architecture  
and can be used in MicroTCA™, or other applications  
requiring ORing support.  
32-Pin PQFN Package  
The 3.3-V management channel is internal and  
requires only one external resistor for load monitoring  
and one external capacitor to set fault time. To  
comply with the AdvancedMC™ requirements, the  
12-V output is disabled unless the 3.3-V Power Good  
signal is asserted. Load current monitors are provided  
for both the 12 V and 3.3 V channels. Status outputs  
include Power Good and Fault indicators for each  
channel. The TPS2458 is in a 32-pin PQFN package.  
APPLICATIONS  
•
•
•
•
•
ATCA Carrier Boards  
MicroTCA™Power Modules  
AdvancedMC™ Slots  
Systems Using 12 V and 3.3 V  
Base Stations  
TYPICAL APPLICATION  
0.005 W HAT2165 BSC057N03  
12 V  
V
12 V  
IN  
422 W  
AdvancedMCTM  
3.3 V  
15  
14  
13  
12  
8
9
16 IN12 SENP SET  
28 EN12  
SENM PASS BLK OUT12  
OUT3 18  
PG12  
FLT12  
4
6
26 EN3  
11 OREN  
17 IN3  
3.3 V  
PG3 21  
FLT3 20  
V
IN  
TPS2458  
23 VDD3  
7
CT12  
19 CT3  
VINT  
24 AGND  
6810 W  
3320 W  
SUM12  
5
1
SUM3 22  
GND GND  
GND GND GND GND GND  
2
3
10 25 27 29 31  
Optional ORing components for redundant systems  
UDG-09030  
1
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.  
2
AdvancedMC, MicroTCA are trademarks of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2009, Texas Instruments Incorporated  
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