TPS2458中文资料具有 ORing 和负载电流监控器的 3V 至 15V 热插拔控制器数据手册TI规格书

描述 Description

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. The TPS2458 is an extremely flexible solution that protects both the power supply and the load by limiting the maximum current into the load and shutting off in case of a fault. If a severe fault occurs the current shuts off immediately. Optional ORing support is inherent in the architecture and can be used in MicroTCA™, or other applications requiring ORing support. 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.

特性 Features

• ATCA AdvancedMC™ Compliant
• Programmable 12-V Current Limit and Fast Trip
• Internal 3.3-V Current Limit
• Interlock Requires 3.3-V Output Prior to 12 V
• Load Current Monitor
• APPLICATIONS
• MicroTCA™ Power Modules
• Systems Using 12 V and 3.3 V
• Base Stations

AdvancedMC is a trademark of Texas Instruments. MicroTCA is a trademark of Texas Instruments