TPS25981

ACTIVO

eFuse de 2.7 V a 16 V, 10 A, 6 mΩ con temporizador de supresión de sobrecorriente transitoria

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Hoja de datos

document-pdfAcrobat TPS25981x 2.7V to 16V, 10A, 6mΩ eFuse with Transient Overcurrent Blanking Timer datasheet (Rev. C) (Inglés) PDF | HTML

TPS25981

ACTIVO

Hoja de datos

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Detalles del producto

Vabsmax_cont (V)

20

Vin (max) (V)

16

Vin (min) (V)

2.7

Current limit (max) (A)

11

Current limit (min) (A)

1.5

Features

Adjustable current limit, Adjustable soft start, Overcurrent protection, Overvoltage protection, Quick output discharge, Reverse current blocking when off, Thermal shutdown, adjustable UVLO

UL recognition

IEC62368, UL2367

Overcurrent response

Circuit breaker

Fault response

Auto-retry, Latch-off

Ron (typ) (mΩ)

6

Overvoltage response

Cut-off

Rating

Catalog

Soft start

Adjustable

Quiescent current (Iq) (typ) (A)

0.000417

Quiescent current (Iq) (max) (A)

0.00061

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)

2.7

Current limit (max) (A)

11

Current limit (min) (A)

1.5

Features

Adjustable current limit, Adjustable soft start, Overcurrent protection, Overvoltage protection, Quick output discharge, Reverse current blocking when off, Thermal shutdown, adjustable UVLO

UL recognition

IEC62368, UL2367

Overcurrent response

Circuit breaker

Fault response

Auto-retry, Latch-off

Ron (typ) (mΩ)

6

Overvoltage response

Cut-off

Rating

Catalog

Soft start

Adjustable

Quiescent current (Iq) (typ) (A)

0.000417

Quiescent current (Iq) (max) (A)

0.00061

Device type

eFuses and hot swap controllers

Operating temperature range (°C)

-40 to 125

VQFN-HR (RPW)

10

4 mm² (2 mm × 2 mm)

Wide operating input voltage range: 2.7V to 16V
- 20V absolute maximum
Integrated FET with low on-resistance: RON = 6mΩ (typical)
Fast overvoltage protection
- Adjustable overvoltage lockout (OVLO) with 1.2µs (typical) response time
Overcurrent protection with load current monitor output (ILM)
- Circuit-breaker response
- Adjustable threshold (ILIM) 1.5A – 11A
  - ±10% accuracy for ILIM > 5A
- Adjustable transient blanking timer (ITIMER) to allow peak currents up to 2 × ILIM
- Output load current monitor accuracy: ±10% (IOUT ≥ 3A)
Fast-trip response for short-circuit protection
- 640ns (typical) response time
- Adjustable (2 × ILIM) and fixed thresholds
Active high enable input with adjustable undervoltage lockout threshold (UVLO)
Active low enable input with adjustable undervoltage lockout threshold (OVLO)
Adjustable output slew rate control (dVdt)
Option to drive external FET for reverse-current blocking in disabled/OFF state
Overtemperature protection
Quick output discharge
Digital outputs
- Power Good (PG) and fault indication (FLT)
UL 2367 recognition
- File No. E115731
- RILM ≥ 1.47kΩ
IEC 62368-1 CB Certified
Small footprint: QFN 2mm × 2mm, 0.45mm pitch

Wide operating input voltage range: 2.7V to 16V
- 20V absolute maximum
Integrated FET with low on-resistance: RON = 6mΩ (typical)
Fast overvoltage protection
- Adjustable overvoltage lockout (OVLO) with 1.2µs (typical) response time
Overcurrent protection with load current monitor output (ILM)
- Circuit-breaker response
- Adjustable threshold (ILIM) 1.5A – 11A
  - ±10% accuracy for ILIM > 5A
- Adjustable transient blanking timer (ITIMER) to allow peak currents up to 2 × ILIM
- Output load current monitor accuracy: ±10% (IOUT ≥ 3A)
Fast-trip response for short-circuit protection
- 640ns (typical) response time
- Adjustable (2 × ILIM) and fixed thresholds
Active high enable input with adjustable undervoltage lockout threshold (UVLO)
Active low enable input with adjustable undervoltage lockout threshold (OVLO)
Adjustable output slew rate control (dVdt)
Option to drive external FET for reverse-current blocking in disabled/OFF state
Overtemperature protection
Quick output discharge
Digital outputs
- Power Good (PG) and fault indication (FLT)
UL 2367 recognition
- File No. E115731
- RILM ≥ 1.47kΩ
IEC 62368-1 CB Certified
Small footprint: QFN 2mm × 2mm, 0.45mm pitch

The TPS25981xx family of eFuses is a highly integrated circuit protection and power management solution in a small package. The devices provide multiple protection modes using very few external components and are a robust defense against overloads, short circuits, voltage surges and excessive inrush current.

Output slew rate and inrush current can be adjusted using one external capacitor. Loads are protected from input overvoltage conditions by cutting off the output if input exceeds an adjustable overvoltage threshold. The devices respond to output overload by actively limiting the current (during start-up) or breaking the circuit (during steady-state). The overcurrent protection threshold as well as the transient overcurrent blanking timer are user-adjustable. The current limit control pin also functions as an analog load current monitor.

The devices are available in a 2mm × 2mm, 10-pin HotRod™ QFN package for improved thermal performance and reduced system footprint.

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

The TPS25981xx family of eFuses is a highly integrated circuit protection and power management solution in a small package. The devices provide multiple protection modes using very few external components and are a robust defense against overloads, short circuits, voltage surges and excessive inrush current.

Output slew rate and inrush current can be adjusted using one external capacitor. Loads are protected from input overvoltage conditions by cutting off the output if input exceeds an adjustable overvoltage threshold. The devices respond to output overload by actively limiting the current (during start-up) or breaking the circuit (during steady-state). The overcurrent protection threshold as well as the transient overcurrent blanking timer are user-adjustable. The current limit control pin also functions as an analog load current monitor.

The devices are available in a 2mm × 2mm, 10-pin HotRod™ QFN package for improved thermal performance and reduced system footprint.

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

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Documentación técnica

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Documentación principal	Tipo	Título	Opciones de formato	Fecha
*	Hoja de datos	TPS25981x 2.7V to 16V, 10A, 6mΩ eFuse with Transient Overcurrent Blanking Timer datasheet (Rev. C)	PDF \| HTML	20/05/2026
	Application brief	TPS25981 - Making Power Dense	PDF \| HTML	2/01/2024
	Nota sobre la aplicación	How eFuse Ensures Integrated FET Operation in Safe Operating Area	PDF \| HTML	7/09/2022

Diseño y desarrollo

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Placa de evaluación

TPS25981EVM — Módulo de evaluación TPS25981 para eFuse de 2.7 V a 16 V, 10 A, 6 mΩ

La placa de evaluación eFuse TPS25981EVM permite la evaluación del circuito de referencia del eFuse TPS25981. El dispositivo TPS25981 es un eFuse de 2.7 V a 16 V, 10 A con FET de 6 mΩ integrado con protección contra sobrecorriente, corriente de irrupción, temporizador de supresión transitoria de (...)

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