The TPS2001D power-distribution switch is intended for applications where heavy capacitive loads and short circuits are likely to be encountered, such as USB. The TPS2001D limits the output current to a safe level by operating in a constant-current mode when the output load exceeds the current limit threshold. This provides a predictable fault current under all conditions. The fast overload response time eases the burden on the main 5-V supply to provide regulated power when the output is shorted. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.
- Single Power Switch Family
- Rated Current of 2 A
- ±20% Accurate, Fixed, Constant Current Limit
- Fast Overcurrent Response: 2 µs
- Deglitched Fault Reporting
- Output Discharge
- Reverse Current Blocking
- Built-In Soft Start
- Ambient Temperature Range: –40°C to 85°C
- UL Listed and CB-File No. E169910
| Product type | Fixed current limit, Power switch |
| Vin (min) (V) | 4.5 |
| Vin (max) (V) | 5.5 |
| Continuous current (max) (A) | 2 |
| Current limit (A) | 2.9 |
| Operating temperature range (°C) | -40 to 125 |
| Enable | Active High |
| Number of switches | 1 |
| Current limit accuracy at 1 A | 0.2 |
| Rating | Catalog |