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TPS2115ADRBR-TPS2115ADRBRG4-TPS2115APW-TPS2115APWG4-TPS2115APWR-TPS2115APWRG4
Autoswitching Power Mux
STAT
ILIM
IN1
OUT
IN2
GND
TPS2115APW 0.1mF
0.1 RL
IN1: 2.8 5.5-
V
RILIM
Switch Status
TPS2114A
TPS2115A
www.ti.com SBVS044F –MARCH 2004–REVISED MAY 2012
AUTOSWITCHING POWER MUX
Checkfor Samples: TPS2114A, TPS2115A
1FEATURES APPLICATIONS Two-Input, One-Output Power Multiplexer with • PCs
Low rDS(on) Switches: • PDAs 120 mΩ Typ (TPS2114A) • Digital Cameras 84 mΩ Typ (TPS2115A) • Modems Reverse and Cross-Conduction Blocking • Cell Phones Wide Operating Voltage Range: 2.8Vto 5.5V • Digital Radios Low Standby Current: 0.5-μA Typ • MP3 Players Low Operating Current: 55-μA Typ Adjustable Current Limit DESCRIPTIONThe TPS211xA familyof power multiplexers enables
• Controlled Output Voltage Transition Timesseamless transition between two power supplies
Limit Inrush Current and Minimize Output (such asa battery anda wall adapter), each
Voltage Hold-Up Capacitance operatingat 2.8Vto 5.5V and delivering upto2A,
• CMOS- and TTL-Compatible Control Inputs depending on package. The TPS211xA family
Manual and Auto-Switching Operating Modes includes extensive protection circuitry, including user-
programmable current limiting, thermal protection,
• Thermal Shutdown inrush current control, seamless supply transition,
• Availablein TSSOP-8 and 3-mm× 3-mm SON-8 cross-conduction blocking, and reverse-conduction
Packages blocking. These features greatly simplify designing
power multiplexer applications.
TYPICAL APPLICATION
