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Electronic Fuse Regulator 2.35A 24-VQFN (5x4)

TPS26602RHFT General Description

The TPS26602RHFT is a compact and feature-rich high-voltage eFuse that offers a full suite of protection features for robust surge protection and efficient system design. With a wide supply input range of 4.2 to 60 V, the device can control many popular DC bus voltages. It is capable of withstanding and protecting loads from positive and negative supply voltages up to ±60 V, thanks to integrated back to back FETs that provide a reverse current blocking feature, making the device suitable for systems with output voltage holdup requirements during power fail and brownout conditions. Furthermore, the TPS26602RHFT provides adjustable features for overcurrent, output slew rate, and overvoltage/undervoltage thresholds, ensuring comprehensive load, source, and device protection. It also includes a shutdown pin for external control, fault and precise current monitor output for system status monitoring, and flexibility to configure between three current-limiting fault responses. Available in a 5-mm × 4.4-mm 16-pin HTSSOP and 5-mm x 4-mm 24-pin VQFN package, the TPS26602RHFT is specified over a –40°C to +125°C temperature range, making it suitable for reliable operation in diverse environments

Key Features

  • 4.2-V to 60-V Operating voltage, 62-V absolute maximum
  • Integrated reverse input polarity protection down to –60 V
    • Zero additional components required
  • Integrated back to back MOSFETs with 150-mΩ total RON
  • 0.1-A to 2.23-A Adjustable current limit
    (±5% accuracy at 1 A)
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Load protection during Surge (IEC 61000-4-5) with minimum external components
  • IMON current indicator output (±8.5% accuracy)
  • Low quiescent current, 300-µA in operating, 20-µA in shutdown
  • Adjustable UVLO, OVP cut off, output slew rate control
  • Reverse current blocking
  • Fixed 38-V overvoltage clamp (TPS26602 only)
  • Available in easy-to-use 16-Pin HTSSOP and 24-Pin VQFN packages
  • Selectable current-limiting fault response options (Auto-Retry, Latch Off, Circuit Breaker Modes)
  • UL 2367 Recognized
    • File No. 169910
    • RILIM ≥ 5.36 kΩ (2.35-A maximum)
  • UL60950 - Safe during single point failure test
    • Open/Short ILIM detection


Source Content uid TPS26602RHFT Pbfree Code Yes
Part Life Cycle Code Active Reach Compliance Code compliant
Date Of Intro 2017-01-25 Adjustable Threshold YES
Moisture Sensitivity Level 2 Number of Channels 1
Number of Functions 1 Number of Terminals 24
Peak Reflow Temperature (Cel) 260 Surface Mount YES
Temperature Grade AUTOMOTIVE Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form NO LEAD Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30 FET Internal
Ron (typ) (mΩ) 150 Vin (min) (V) 4.2
Vin (max) (V) 60 Vabsmax_cont (V) 62
Current limit (min) (A) 0.1 Current limit (max) (A) 2.23
Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off
Soft start Adjustable Overvoltage response Clamp, Cut-off
Features Current monitoring, Fault output, Reverse current blocking always, Reverse polarity protection UL recognition IEC62368, UL2367
TI functional safety category Functional Safety-Capable Rating Catalog
Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
Function Adjustable current limit, Current monitoring, Inrush current control, Overvoltage protection, Power good signal, Reverse current blocking, Reverse polarity protection, Short circuit protection, Thermal shutdown

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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