Product details

FET Internal Ron (Typ) (mOhm) 28 Vin (Min) (V) 4.5 Vin (Max) (V) 13.8 Vabsmax_cont (V) 20 Current limit (Min) (A) 1 Current limit (Max) (A) 5 Overcurrent response Circuit breaker, Current limiting Fault response Auto-retry, Latch-off UL recognition UL2367, UL60950
FET Internal Ron (Typ) (mOhm) 28 Vin (Min) (V) 4.5 Vin (Max) (V) 13.8 Vabsmax_cont (V) 20 Current limit (Min) (A) 1 Current limit (Max) (A) 5 Overcurrent response Circuit breaker, Current limiting Fault response Auto-retry, Latch-off UL recognition UL2367, UL60950
VSON (DRC) 10 VSON (DRC) 10 9 mm² 3 x 3
  • VOPERATING = 4.5 V to 13.8 V, VABSMAX = 20 V
  • Integrated 28-mΩ Pass MOSFET
  • Fixed 15-V Over Voltage Clamp
  • 1-A to 5-A Adjustable ILIMIT
  • ±8% ILIMIT Accuracy at 3.7 A
  • 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 × 3 mm) VSON
  • VOPERATING = 4.5 V to 13.8 V, VABSMAX = 20 V
  • Integrated 28-mΩ Pass MOSFET
  • Fixed 15-V Over Voltage Clamp
  • 1-A to 5-A Adjustable ILIMIT
  • ±8% ILIMIT Accuracy at 3.7 A
  • 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 × 3 mm) VSON

The TPS25924x family of eFuses is a highly integrated circuit protection and power management solution in a tiny package. The devices use few external components and provide multiple protection modes. They are a robust defense against overloads, shorts circuits, voltage surges, excessive inrush current, and reverse current.

Current limit level can be set with a single external resistor. Over voltage events are limited by internal clamping circuits to a safe fixed maximum, with no external components required.

Applications with particular voltage ramp requirements can set dV/dT with a single capacitor to ensure proper output ramp rates. Many systems, such as SSDs, must not allow holdup capacitance energy to dump back through the FET body diode onto a drooping or shorted input bus. The BFET pin is for such systems. An external NFET can be connected “Back to Back (B2B)” with the TPS25924x output and the gate driven by BFET to prevent current flow from load to source.

The TPS25924x family of eFuses is a highly integrated circuit protection and power management solution in a tiny package. The devices use few external components and provide multiple protection modes. They are a robust defense against overloads, shorts circuits, voltage surges, excessive inrush current, and reverse current.

Current limit level can be set with a single external resistor. Over voltage events are limited by internal clamping circuits to a safe fixed maximum, with no external components required.

Applications with particular voltage ramp requirements can set dV/dT with a single capacitor to ensure proper output ramp rates. Many systems, such as SSDs, must not allow holdup capacitance energy to dump back through the FET body diode onto a drooping or shorted input bus. The BFET pin is for such systems. An external NFET can be connected “Back to Back (B2B)” with the TPS25924x output and the gate driven by BFET to prevent current flow from load to source.

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Technical documentation

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Type Title Date
* Data sheet TPS25924x 12-V eFuse with Over Voltage Protection and Blocking FET Control datasheet (Rev. B) PDF | HTML 02 Sep 2016
Certificate TPS2592x CB Test Certificate IEC 62368-1 08 Jul 2021
Certificate TPS2592x UL Certificate of Compliance IEC 60950-1 10 Apr 2020
Certificate UL Certificate of Compliance UL 2367 10 Apr 2020
Functional safety information eFuse: Safety Certification and why it Matters 18 Mar 2020
E-book 11 Ways to Protect Your Power Path 03 Jul 2019
Application note Backplane Power Protection in PLC Systems 11 Jun 2019
Application note Basics of eFuses (Rev. A) 05 Apr 2018
Technical article How adding an eFuse will protect your brand’s reputation 21 Jun 2017
Technical article Don’t leave it floating! Power off your outputs with quick output discharge 09 Dec 2016
Application note Achieve 20-A Circuit Protection and Space Efficiency Using Paralleled eFuses 03 Nov 2016
Technical article eFuses: clamping and cutoff and auto retry, oh my! – part 3/3 02 Jun 2016
Technical article eFuses: clamping and cutoff and auto retry, oh my! – part 1/3 10 May 2016
EVM User's guide TPS259230-41EVM User's Guide (Rev. A) 19 Nov 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS259230-41EVM — TPS25923/4/7, Simple 5V/12V eFuse Protection Switches Evaluation Module

TPS259230-41EVM is functional demonstration of TPS25923/4 family of eFuses and it can also be used to evaluate the TPS259270/1 devices by replacing the TPS259230 and TPS259241 with the TPS25970 and TPS259271.  These eFuses are a highly integrated circuit protection switches and power (...)

Not available on TI.com
Simulation model

TPS259240 Unencrypted PSpice Transient Model Package (Rev. C)

SLVMB47C.ZIP (71 KB) - PSpice Model
Simulation model

TPS259241 Unencrypted PSpice Transient Model Package (Rev. C)

SLVMB48C.ZIP (68 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Calculation tool

TPS2592xx Design Calculator.

SLUC570.ZIP (109 KB)
Reference designs

TIDA-00709 — 36W, Universal Input, >90% Efficiency, Dual Output Aux Supply Ref Design for PSU

TIDA-00709 is a 36-W dual-output auxiliary power supply with provision to accept both wide ranges of DC and AC inputs. Based on the input, this reference design can be used as an adapter or auxiliary power supply designed for use in power converters targeted for server, telecom and industrial (...)
Schematic: PDF
Package Pins Download
VSON (DRC) 10 View options

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