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TPS25984

ACTIVE

4.5-V to 16-V, 0.8-mΩ 70-A stackable eFuse with accurate and fast current monitor

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Data sheet

TPS25984

ACTIVE
Data sheet Order now

Product details

Vabsmax_cont (V) 20 Vin (max) (V) 16 Vin (min) (V) 4.5 Current limit (max) (A) 55 Current limit (min) (A) 10 Features Adjustable OVLO, Adjustable soft start, Current monitoring, Fault output, Overcurrent protection, Overvoltage protection, Power good signal, Short-circuit protection, Stackable, Thermal shutdown, adjustable UVLO Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 0.8 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.0004 Quiescent current (Iq) (max) (A) 0.00055 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
Vabsmax_cont (V) 20 Vin (max) (V) 16 Vin (min) (V) 4.5 Current limit (max) (A) 55 Current limit (min) (A) 10 Features Adjustable OVLO, Adjustable soft start, Current monitoring, Fault output, Overcurrent protection, Overvoltage protection, Power good signal, Short-circuit protection, Stackable, Thermal shutdown, adjustable UVLO Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 0.8 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.0004 Quiescent current (Iq) (max) (A) 0.00055 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
WQFN-FCRLF (RZJ) 32 25 mm² 5 x 5
  • Input operating voltage range: 4.5V to 16V
    • Absolute maximum: 20V
    • Withstands 23.5V for 10µs
    • Withstands negative voltages up to –1V at output
  • Integrated FET with ultra-low on-resistance: 0.8mΩ (typical)
  • Rated for RMS current of 55A and peak current of 70A
  • Supports parallel connection of multiple eFuses for higher current support
    • Active device state synchronization and load sharing during start-up and steady-state
  • Robust overcurrent protection
    • Adjustable overcurrent threshold (IOCP): 10A to 55A with accuracy of ±5%
    • Circuit-breaker response during steady state operation with adjustable transient overcurrent timer (ITIMER) to support peak currents up to 2 × IOCP
    • Adjustable active current limit during start-up (ILIM)
  • Robust short-circuit protection
    • Fast-trip response (< 200ns) to output short-circuit events
    • Adjustable threshold (2 × IOCP)
    • Immune to supply line transients — no nuisance tripping
  • Precise analog load current monitoring
    • Accuracy: ±1.4%
    • Bandwidth: >500kHz
  • Fast overvoltage protection (fixed 16.7V threshold)
  • Adjustable output slew rate control (dVdt) for inrush current protection
  • Active high enable input with adjustable undervoltage lockout (UVLO)
  • Overtemperature protection (OTP) to ensure FET SOA
    • FET SOA: 10W√s
  • Integrated FET health monitoring and reporting
  • Analog die temperature monitor output (TEMP)
  • Dedicated fault indication pin (FLT)
  • Power-Good indication pin (PG)
  • Small footprint: QFN 5mm × 5mm
  • 100% Pb free
  • Input operating voltage range: 4.5V to 16V
    • Absolute maximum: 20V
    • Withstands 23.5V for 10µs
    • Withstands negative voltages up to –1V at output
  • Integrated FET with ultra-low on-resistance: 0.8mΩ (typical)
  • Rated for RMS current of 55A and peak current of 70A
  • Supports parallel connection of multiple eFuses for higher current support
    • Active device state synchronization and load sharing during start-up and steady-state
  • Robust overcurrent protection
    • Adjustable overcurrent threshold (IOCP): 10A to 55A with accuracy of ±5%
    • Circuit-breaker response during steady state operation with adjustable transient overcurrent timer (ITIMER) to support peak currents up to 2 × IOCP
    • Adjustable active current limit during start-up (ILIM)
  • Robust short-circuit protection
    • Fast-trip response (< 200ns) to output short-circuit events
    • Adjustable threshold (2 × IOCP)
    • Immune to supply line transients — no nuisance tripping
  • Precise analog load current monitoring
    • Accuracy: ±1.4%
    • Bandwidth: >500kHz
  • Fast overvoltage protection (fixed 16.7V threshold)
  • Adjustable output slew rate control (dVdt) for inrush current protection
  • Active high enable input with adjustable undervoltage lockout (UVLO)
  • Overtemperature protection (OTP) to ensure FET SOA
    • FET SOA: 10W√s
  • Integrated FET health monitoring and reporting
  • Analog die temperature monitor output (TEMP)
  • Dedicated fault indication pin (FLT)
  • Power-Good indication pin (PG)
  • Small footprint: QFN 5mm × 5mm
  • 100% Pb free

The TPS25984x is an integrated, high-current circuit protection and power management solution in a small package. The device provides multiple protection modes using very few external components and is a robust defense against overloads, short circuits, and excessive inrush current.

Applications with particular inrush current requirements can set the output slew rate with a single external capacitor. Output current limit level can be set by user as per system needs. A user adjustable overcurrent blanking timer allows systems to support transient peaks in the load current without tripping the eFuse.

Multiple TPS25984x devices can be connected in parallel to increase the total current capacity for high power systems. All devices actively synchronize their operating state and share current during start-up as well as steady state to avoid over-stressing some of the devices which can result in premature or partial shutdown of the parallel chain.

An integrated fast and accurate sense analog load current monitor facilitates predictive maintenance and advanced dynamic platform power management techniques such as Intel PSYS and PROCHOT™ to maximize system throughput and power supply utilization.

The devices are characterized for operation over a junction temperature range of –40°C to +125°C.

The TPS25984x is an integrated, high-current circuit protection and power management solution in a small package. The device provides multiple protection modes using very few external components and is a robust defense against overloads, short circuits, and excessive inrush current.

Applications with particular inrush current requirements can set the output slew rate with a single external capacitor. Output current limit level can be set by user as per system needs. A user adjustable overcurrent blanking timer allows systems to support transient peaks in the load current without tripping the eFuse.

Multiple TPS25984x devices can be connected in parallel to increase the total current capacity for high power systems. All devices actively synchronize their operating state and share current during start-up as well as steady state to avoid over-stressing some of the devices which can result in premature or partial shutdown of the parallel chain.

An integrated fast and accurate sense analog load current monitor facilitates predictive maintenance and advanced dynamic platform power management techniques such as Intel PSYS and PROCHOT™ to maximize system throughput and power supply utilization.

The devices are characterized for operation over a junction temperature range of –40°C to +125°C.
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Type Title Date
* Data sheet TPS25984x 4.5V–16V, 0.8mΩ, 70A Stackable eFuse With Accurate and Fast Current Monitor datasheet (Rev. B) PDF | HTML 17 Apr 2025
Application note Active Current Sharing: Advanced Current Distribution Feature From TI's Smart eFuses PDF | HTML 09 May 2025
Application note Enhancing Server Power Design Using Advanced Features of TI’s Smart eFuses PDF | HTML 29 Jan 2025
Application note Implementation of PSYS Monitor Using TPS25984, TPS25985, or TPS25990 eFuses PDF | HTML 15 Nov 2023
Certificate TPS25984EVM EU RoHS Declaration of Conformity (DoC) 11 Nov 2022

Design & development

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

Evaluation board

TPS25984EVM — TPS25984 evaluation module for 4.5-V to 16-V 70-A 0.8-mΩ eFuse

The TPS25984 eFuse evaluation board allows reference circuit evaluation of TPS25984 eFuse. The TPS25984 device is a 4.5-V to 16-V 70-A eFuse with integrated 0.8-mΩ FET. It comes with overcurrent, inrush current management, adjustable overcurrent transient blanking timer, programmable (...)

User guide: PDF | HTML
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Calculation tool

TPS25984-CALC — TPS25984 design calculator

The design calculator allows customer to size the external peripheral components while designing with one or more TPS25984 eFuse.
Supported products & hardware

Supported products & hardware

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eFuses (integrated hot swaps)
  • TPS25984 — 4.5-V to 16-V, 0.8-mΩ 70-A stackable eFuse with accurate and fast current monitor
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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 (...)
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WQFN-FCRLF (RZJ) 32 Ultra Librarian
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