TPS2115 - Texas Instruments

TPS2115 AUTOSWITCHING POWER MULTIPLEXER

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 trans.

Features

• Two-Input, One-Output Power Multiplexer With Low rDS(on) Switches:
  – 84 mΩ Typ (TPS2115)
  – 120 mΩ Typ (TPS2114)
• Reverse and Cross-Conduction Blocking
• Wide Operating Voltage Range: 2.8 V to 5.5 V
• Low Standby Current: 0.5 µA Typical
• Low Operating Current: 55 µA Typical
• Adjustable Current Limit
• Controlled Output Voltage Transition Times, Limits Inrush Current and Minimizes Output Voltage Hold-Up Capacitance
• CMOS and TTL Compatible Control Inputs
• Manual and Auto-Switching Operating Modes
• Thermal Shutdown
• Available in a TSSOP-8 Package APPLICATIONS
• PCs
• PDAs
• Digital Cam.