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Part NameHPA00615DRVR Texas-Instruments
Texas Instruments Texas-Instruments
DescriptionPrecision Adjustable Current-Limited Power-Distribution Switches
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TPS2552 image

The TPS255x and TPS255x-1 power-distribution switches are intended for applications where precision current limiting is required or heavy capacitive loads and short circuits are encountered and provide up to 1.5 A of continuous load current. These devices offer a programmable current-limit threshold between 75 mA and 1.7 A (typical) through an external resistor. Current-limit accuracy as tight as ±6% can be achieved at the higher current-limit settings. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.

• Up to 1.5-A Maximum Load Current
• ±6% Current-Limit Accuracy at 1.7 A (Typical)
• Meets USB Current-Limiting Requirements
• Backwards Compatible With TPS2550 and
• Adjustable Current Limit: 75 mA to 1700 mA
• Constant-Current (TPS255x) and Latch-Off
   (TPS255x-1) Versions
• Fast Overcurrent Response - 2 µs (Typical)
• 85-mΩ High-Side MOSFET (DBV Package)
• Reverse Input-Output Voltage Protection
• Operating Range: 2.5 V to 6.5 V
• Built-In Soft Start
• 15-kV ESD Protection per IEC 61000-4-2 (With
   External Capacitance)
• UL Listed – File No. E169910 and NEMKO
   IEC60950-1-am1 ed2.0
• See the TI Switch Portfolio

• USB Ports and Hubs
• Digital TVs
• Set-Top Boxes
• VOIP Phones

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