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TPS25981

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具有瞬态过流消隐计时器的 2.7V 至 16V、10A、6mΩ 电子保险丝

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TPS25981

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产品详情

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)
  • MET Listing
    • File No. E115731
    • Complies with UL2367
    • 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)
  • MET Listing
    • File No. E115731
    • Complies with UL2367
    • 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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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 TPS25981x 2.7V to 16V, 10A, 6mΩ eFuse with Transient Overcurrent Blanking Timer 数据表 (Rev. D) PDF | HTML 2026-9-8
应用简报 TPS25981 - 提高功率密度 PDF | HTML 英语版 PDF | HTML 2023-12-21
应用手册 How eFuse Ensures Integrated FET Operation in Safe Operating Area PDF | HTML 2022-9-7

设计与开发

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评估板

TPS25981EVM — 适用于 TPS25981 2.7V 至 16V、10A、6mΩ 电子保险丝的评估模块

TPS25981EVM 电子保险丝评估板可用于评估 TPS25981 电子保险丝的基准电路。TPS25981 器件是一款 2.7V 至 16V、10A 电子保险丝，具有集成式 6mΩ FET，以及过流保护、浪涌电流保护、可调节过流瞬态消隐计时器、可编程欠压和过压保护等功能。

用户指南: PDF | HTML
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仿真模型

TPS25981 PSpice Transient Model

SLVMDX3.ZIP (102 KB) - PSpice 模型
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计算工具

SLVRBL3 — TPS25981 Design Calculator

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计算工具

TVS-RECOMMENDATION-CALC — TVS diode recommendation tool

This tool suggests suitable TVS for given system parameters and abs max voltage rating of the device.
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封装 引脚 CAD 符号、封装和 3D 模型
VQFN-HR (RPW) 10 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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