The TPS2500 and TPS2501 provide an integrated solution to meet USB 5-V power requirements from a 1.8-V to 5.25-V input supply. The features include a Hi-Speed USB compliant power output, output switch enable, current limit, and overcurrent fault reporting.
The 1.8-V to 5.25-V input can be supplied by sources including dc/dc regulated supplies (e.g., 3.3 V), or batteries such as single-cell Li+ or three-cell NiCd, NiMH, or alkaline.
The USB power-switch current limit is programmable via an external resistor from as low as 130 mA to as high as 1400 mA (typical). Two standard USB ports can be supported from a single TPS2500 or TPS2501 at the 1400-mA setting.
Additionally, the boost converter output is available as an auxiliary 5.1-V output to power additional loads. The total current supplied by the USB output and the auxiliary cannot exceed 1148 mA at VIN = 3 V.
Eco-mode, PowerPAD are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.
| Product type | Adjustable current limit, Power switch, Switch with boost |
| Vin (min) (V) | 1.8 |
| Vin (max) (V) | 5.25 |
| Continuous current (max) (A) | 1.4 |
| Current limit (A) | 0.13 to 1.4 |
| Operating temperature range (°C) | -40 to 125 |
| Enable | Active High |
| Number of switches | 1 |
| Current limit accuracy at 1 A | 0.2 |
| Rating | Catalog |
| VSON (DRC) | 10 | 9 mm² 3 x 3 |
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