TPS2112 - Texas Instruments

TPS2112 Autoswitching Power Mux

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 tran.

Features

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