The TPS2419 controller, in conjunction with an external N-channel MOSFET, provides the reverse current protection of an ORing diode with the efficiency of a MOSFET. The TPS2419 can be used to combine multiple power supplies to a common bus in an N+1 configuration, or to combine redundant input power buses.

Applications for the TPS2419 include a wide range of systems including servers and telecom. These applications often have either N+1 redundant power supplies, redundant power buses, or both. Redundant power sources must have the equivalent of a diode OR to prevent reverse current during faults and hotplug.

Accurate voltage sensing and a programmable turn-off threshold allows operation to be tailored for a wide range of implementations and bus characteristics. The TPS2419 brings out an enable pin which allows the system to force the MOSFET off under light-load, high noise conditions.

• Control External FET for N+1 and ORing
• Controls Buses From 3 V to 16.5 V
• External Enable
• N-Channel MOSFETControl
• Rapid Device Turnoff Protects Bus Integrity
• Programmable Turn-Off Threshold
• Soft Turn on Reduces Bus Transients
• Industrial Temperature Range: –40°C to 85°C
• 8-Pin TSSOP and SOIC Packages
• APPLICATIONS
  • N+1 Power Supplies
  • Server Blades
  • Telecom Systems
  • High Availability Power Modules

• Vin (Min) (V)
• 0.8
• Vin (Max) (V)
• 16.5
• Features
• ON/OFF control
• Iq (Typ) (mA)
• 1.2
• Iq (Max) (mA)
• 7
• IGate source (Typ) (uA)
• 290
• IGate source (Max) (uA)
• 350
• IGate sink (Typ) (mA)
• 5
• IGate pulsed (Typ) (A)
• 2.35
• Operating temperature range (C)
• -40 to 85
• IReverse (Typ) (uA)
• —
• VSense reverse (Typ) (mV)
• Adjustable
• Rating
• Catalog
• Channel(s) controlled (#)
• 1
• FET
• External
• VGS (Max) (V)
• 11.5

TPS2419的完整型号有：TPS2419D、TPS2419DR、TPS2419PW、TPS2419PWR，以下是这些产品的关键参数及官网采购报价：

TPS2419D，工作温度：-40 to 85，封装：SOIC (D)-8，包装数量MPQ：75个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TPS2419D的批量USD价格：1.121（1000+）

TPS2419DR，工作温度：-40 to 85，封装：SOIC (D)-8，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TPS2419DR的批量USD价格：.934（1000+）

TPS2419PW，工作温度：-40 to 85，封装：TSSOP (PW)-8，包装数量MPQ：150个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TPS2419PW的批量USD价格：1.121（1000+）

TPS2419PWR，工作温度：-40 to 85，封装：TSSOP (PW)-8，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TPS2419PWR的批量USD价格：.934（1000+）

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