The TPS211x family of power multiplexers enables seamless transition between two power supplies, such as a battery and a wall adapter, each operating at 2.8–5.5 V and delivering up to 1 A. The TPS211x family includes extensive protection circuitry, including user-programmable current limiting, thermal protection, inrush current control, seamless supply transition, cross-conduction blocking, and reverse-conduction blocking. These features greatly simplify designing power multiplexer applications.

• Two-Input, One-Output Power Multiplexer With Low rDS(on) Switches:
  • 84 m Typ (TPS2113)
  • 120 m Typ (TPS2112)
• Reverse and Cross-Conduction Blocking
• Wide Operating Voltage Range . . . .2.8 V to 5.5 V
• Low Standby Current . . . . 0.5-A Typ
• Low Operating Current . . . . 55-A Typ
• Adjustable Current Limit
• Controlled Output Voltage Transition Times, Limits Inrush Current and Minimizes Output Voltage Hold-Up Capacitance
• CMOS and TTL Compatible Control Inputs
• Auto-Switching Operating Mode
• Thermal Shutdown
• Available in a TSSOP-8 Package
• APPLICATIONS
  • PCs
  • PDAs
  • Digital Cameras
  • Modems
  • Cell phones
  • Digital Radios
  • MP3 Players

• Number of input channels
• 2
• IN1, IN2 input voltage (Min) (V)
• 2.8
• IN1, IN2 input voltage (Max) (V)
• 5.5
• IN1 rDS(on) (Typ) (mOhm)
• 120
• IN2 rDS(on) (Typ) (mOhms)
• 120
• IN1 output current (Max) (A)
• 0.75
• IN2 output current (Max) (A)
• 0.75
• Rating
• Catalog
• Operating temperature range (C)
• -40 to 85

TPS2112的完整型号有：TPS2112PW、TPS2112PWR，以下是这些产品的关键参数及官网采购报价：

TPS2112PW，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TPS2112PW的批量USD价格：1.045（1000+）

TPS2112PWR，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TPS2112PWR的批量USD价格：.871（1000+）

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The TPS211x EVM is an evaluation module for the Texas Instruments TPS211x family of two-input, one-output power multiplexers. These multiplexers enable seamless transition between two power supplies, each operating at 2.8 V-5.5 V and delivering up to 1 A. EVM configurations are available for the (...)

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The TPS211x EVM is an evaluation module for the Texas Instruments TPS211x family of two-input, one-output power multiplexers. These multiplexers enable seamless transition between two power supplies, each operating at 2.8 V-5.5 V and delivering up to 1 A. EVM configurations are available for the (...)

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