The TPS2115A-Q1 power multiplexer enables seamless transition between two power supplies, such as a two supply rails or a battery and AC to DC wall adapter. Each supply operates at 2.8 V to 5.5 V and the output can deliver up to 1 A. The TPS2115A-Q1 device 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.
| 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) (mΩ) | 84 |
| IN2 rDS(on) (typ) (mΩ) | 84 |
| IN1 output current (max) (A) | 1.25 |
| IN2 output current (max) (A) | 1.25 |
| Rating | Automotive |
| Quiescent current (Iq) (µA) | 55 |
| Operating temperature range (°C) | -40 to 85 |
| FET | Internal |
| Imax (A) | 1.25 |
| Features | Adjustable current limit, Inrush current control, Power good, Reverse current blocking, Thermal shutdown |
| Device type | Power muxes |
| Function | Power good signal, Reverse current blocking, Thermal shutdown |
| TSSOP (PW) | 8 | 19.2 mm² 3 x 6.4 |
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