The TPS211xA family of power multiplexers enables seamless transition between two power supplies (such as a battery and a wall adapter), each operating at 2.8 V to 5.5 V and delivering up to 2 A, depending on package. The TPS211xA 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 mΩ Typ (TPS2113A)
  • 120 mΩ Typ (TPS2112A)
• Reverse and Cross-Conduction Blocking
• Wide Operating Voltage: 2.8 V to 5.5 V
• Low Standby Current: 0.5 µA Typ
• Low Operating Current: 55 µA Typ
• Adjustable Current Limit
• Controlled Output Voltage Transition Time:
  • Limits Inrush Current
  • Minimizes Output Voltage Hold-Up Capacitance
• CMOS- and TTL-Compatible Control Inputs
• Auto-Switching Operating Mode
• Thermal Shutdown
• Available in TSSOP-8 and 3-mm × 3-mm SON-8 Packages

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