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4.5-V to 18-V, 28mΩ, 1-5A eFuse with driver for external blocking FET

TPS259270DRCT General Description

The TPS259270DRCT from Texas Instruments is a top-of-the-line, precision overcurrent protection device that offers unparalleled performance and reliability. With its wide input voltage range of 4.5V to 28V, this device is perfect for a variety of applications in industries such as automotive, industrial automation, and consumer electronics. Its adjustable current limit feature allows for customized settings, giving engineers the flexibility they need to design efficient and robust systems. The integrated slew-rate control ensures a smooth start-up process without any sudden surges in current, which can damage sensitive components. Additionally, the built-in thermal shutdown protection guarantees that the device will never overheat, providing peace of mind to designers and users alike. Compact and easy to integrate into any system, the TPS259270DRCT is a must-have for any project that requires reliable overcurrent protection

Key Features

  • 4.5-V to 18-V Protection
  • Integrated 28-mΩ Pass MOSFET
  • Absolute Maximum Voltage of 20 V
  • 1-A to 5-A Adjustable ILIMIT
  • ±8% ILIMIT Accuracy at 3.7A
  • Reverse Current Blocking Support
  • Programmable OUT Slew Rate, UVLO
  • Built-in Thermal Shutdown
  • UL 2367 Recognized – File No. E339631*
    • *RILIM ≤ 130 kΩ (5 A maximum)
  • Safe During Single Point Failure Test (UL60950)
  • Small Foot Print – 10L (3 mm x 3 mm) VSON


FET Internal Ron (typ) (mΩ) 28
Vin (min) (V) 4.5 Vin (max) (V) 18
Vabsmax_cont (V) 20 Current limit (min) (A) 1
Current limit (max) (A) 5 Overcurrent response current limiting
Fault response Auto-retry, Latch-off Soft start Adjustable
Overvoltage response Cut-off Features Reverse current blocking when off
UL recognition UL2367, UL60950 Rating Catalog
Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 85
Function Adjustable current limit, Inrush current control, Reverse current blocking, Short circuit protection, Thermal shutdown

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