| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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22 pcs
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22 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| Manufacturer Name | |
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| Tape & Reel |
The TPS2557DRB from Texas Instruments is a power distribution switch designed for applications requiring precise current limiting and robust protection against short circuits and heavy capacitive loads. It offers an adjustable current limit from 500 mA to 5 A, configurable via an external resistor.
Key electrical characteristics include a low 22 mΩ typical on-resistance for the high-side MOSFET and a fast overcurrent response time of 3.5 µs. The device operates within a voltage range of 2.5 V to 6.5 V and features a low standby supply current of 2 µA maximum. It also includes built-in soft-start functionality.
This power distribution switch is suitable for applications such as USB ports and hubs, digital TVs, set-top boxes, and VOIP phones. The DRB package is a surface-mount type, designed for efficient thermal management.
The TPS2557DRB provides system-level ESD protection up to 15 kV / 8 kV. The FAULT logic output asserts low during overcurrent and over-temperature conditions, providing critical system status information.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.32 | $0.32 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The current limit is adjustable from 500 mA to 5 A (typical).
The operating voltage range is 2.5 V to 6.5 V.
The typical on-resistance is 22 mΩ.
The maximum continuous load current is 5 A.
The operating temperature range is -40°C to 85°C.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level is 1 Unlimited.