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TPS2459RHB PDF预览

TPS2459RHB

更新时间: 2024-09-19 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
44页 977K
描述
12-V/3.3-V Hot Swap and ORing Controller with I2C™ and Load Current Monitor for AdvancedMC™

TPS2459RHB 技术参数

生命周期:Obsolete零件包装代码:QFN
包装说明:PLASTIC, QFN-32针数:32
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.68
Is Samacsys:N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 CIRCUIT
JESD-30 代码:S-PQCC-N32长度:5 mm
信道数量:2功能数量:1
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 mm
Base Number Matches:1

TPS2459RHB 数据手册

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TPS2459  
www.ti.com ............................................................................................................................................................................................ SLUS917FEBRUARY 2009  
12-V/3.3-V Hot Swap and ORing Controller with I2C™  
and Load Current Monitor for AdvancedMC™  
1
FEATURES  
APPLICATIONS  
ATCA Carrier Boards  
MicroTCA™Power Modules  
AdvancedMC™ Slots  
Systems Using 12-V and 3.3-V Channels  
Base Stations  
23  
ATCA AdvancedMC™ Compliant  
Full Power Control for an AdvancedMC™  
Module  
Independently Programmable 12-V Current  
Limit and Fast Trip  
3.3-V and 12-V FET ORing Control for  
MicroTCA™  
DESCRIPTION  
12-V Output Shuts Off If 3.3-V Output Shuts  
Off  
The TPS2459 hot-plug controller performs all  
necessary power interface functions for an  
AdvancedMC™ (Advanced Mezzanine Card). A fully  
integrated 3.3-V channel provides inrush control,  
over-current protection, and FET ORing. A 12-V  
channel provides the same functions using external  
FETs and sense resistors. The 3.3-V current limit is  
factory set to AdvancedMC™ compliant levels while  
the 12-V current limit is programmed using external  
sense resistors. The accurate current sense  
comparators of the TPS2459 satisfy the narrow  
ATCA™ AdvancedMC™ current limit requirements.  
Internal 3.3-V Current Limit and ORing  
I2C™ Power Good and Fault Reporting  
I2C™ Programmable Fault Times and Limits  
FET Status Bits for 3.3-V and 12-V Channels  
Load Current Monitors for 12-V and 3.3-V  
32-Pin QFN Package  
TYPICAL APPLICATION  
0.005 W  
12 V  
12 V  
V
IN  
422 W  
AdvancedMCTM  
15  
14  
13  
12  
11  
6
8
3.3 V  
IN12 SENP SET  
SENM PASS BLK OUT12 OUT3 17  
3.3 V  
16 IN3  
22  
V
IN  
PG12  
4
7
VDD3  
FLT12  
28 EN12  
26 EN3  
Status Outputs  
PG3 20  
FLT3 19  
Enable  
{
{
TPS2459  
10 OREN  
6810 W  
3320 W  
2
3
SDA  
SCL  
2
SUM12  
5
I C Interface  
SUM3 21  
1
VINT  
A0 A1 A2  
30 18 25  
GND  
UDG-09031  
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
3
AdvancedMC, MicroTCA are trademarks of PCI Industrial Computer Manufacturers Group.  
I2C is a trademark of Phillips.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2009, Texas Instruments Incorporated  

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