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eFuses (integrated hot swaps)

TPS24751

ACTIVE

2.5-V to 18-V, 3mΩ, 0.01-12A eFuse with driver for external blocking FET

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Data sheet

TPS24751

ACTIVE
Data sheet Order now

Product details

Vabsmax_cont (V) 30 Vin (max) (V) 18 Vin (min) (V) 2.5 Current limit (max) (A) 12 Current limit (min) (A) 0.01 Features Adjustable OVLO, Adjustable current limit, Adjustable soft start, Current monitoring, Fault output, Power good signal, Reverse current blocking when off, Short-circuit protection, Thermal shutdown, adjustable UVLO Overcurrent response Circuit breaker, Current limiting Fault response Auto-retry Ron (typ) (mΩ) 3 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.001 Quiescent current (Iq) (max) (A) 0.0014 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 85
Vabsmax_cont (V) 30 Vin (max) (V) 18 Vin (min) (V) 2.5 Current limit (max) (A) 12 Current limit (min) (A) 0.01 Features Adjustable OVLO, Adjustable current limit, Adjustable soft start, Current monitoring, Fault output, Power good signal, Reverse current blocking when off, Short-circuit protection, Thermal shutdown, adjustable UVLO Overcurrent response Circuit breaker, Current limiting Fault response Auto-retry Ron (typ) (mΩ) 3 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.001 Quiescent current (Iq) (max) (A) 0.0014 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 85
VQFN (RUV) 36 24.5 mm² (7 mm × 3.5 mm)
  • 2.5 V to 18 V Bus Operation
  • Continuous Current up to 12 A
  • Integrated MOSFET with RDS(on) of 3 mΩ (Typical)
  • Programmable Current Limit
  • Programmable FET SOA Protection
  • High ILimit Accuracy from 10 mA to 12 A
  • Programmable Fault Timer
  • Fast Breaker for Short-Circuit Protection
  • Programmable VOUT Slew Rate, UV and OV
  • Power-Good and Fault Outputs
  • Analog Load Current Monitor
  • Thermal Shutdown
  • UL 2367 Recognized – File No. E339631
  • 2.5 V to 18 V Bus Operation
  • Continuous Current up to 12 A
  • Integrated MOSFET with RDS(on) of 3 mΩ (Typical)
  • Programmable Current Limit
  • Programmable FET SOA Protection
  • High ILimit Accuracy from 10 mA to 12 A
  • Programmable Fault Timer
  • Fast Breaker for Short-Circuit Protection
  • Programmable VOUT Slew Rate, UV and OV
  • Power-Good and Fault Outputs
  • Analog Load Current Monitor
  • Thermal Shutdown
  • UL 2367 Recognized – File No. E339631

The TPS2475x provide highly integrated load protection for 2.5 V to 18 V applications. The devices integrate a hot swap controller and a power MOSFET in a single package for small form factor applications. These devices protect source, load and internal MOSFET from potentially damaging events. During startup, load current and MOSFET power dissipation are limited to user-selected values. After startup, currents above the user-selected limit will be allowed to flow until programmed timeout – except in extreme overload events when load is immediately disconnected from source.

Programmable FET SOA protection ensures the internal MOSFET operates within its safe operating area (SOA) at all times and the load starts up at a defined ramp rate. This enhances the internal MOSFET performance while improving system reliability. Power good, Fault, and current monitor outputs are provided for system status monitoring and downstream load control.

The devices are available in a 36-pin, 7-mm × 3.5-mm, QFN (RUV) package and fully specified over the –40°C to +125°C operating junction temperature.

The TPS2475x provide highly integrated load protection for 2.5 V to 18 V applications. The devices integrate a hot swap controller and a power MOSFET in a single package for small form factor applications. These devices protect source, load and internal MOSFET from potentially damaging events. During startup, load current and MOSFET power dissipation are limited to user-selected values. After startup, currents above the user-selected limit will be allowed to flow until programmed timeout – except in extreme overload events when load is immediately disconnected from source.

Programmable FET SOA protection ensures the internal MOSFET operates within its safe operating area (SOA) at all times and the load starts up at a defined ramp rate. This enhances the internal MOSFET performance while improving system reliability. Power good, Fault, and current monitor outputs are provided for system status monitoring and downstream load control.

The devices are available in a 36-pin, 7-mm × 3.5-mm, QFN (RUV) package and fully specified over the –40°C to +125°C operating junction temperature.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet TPS2475x 12-A eFuse Circuit Protector with Current Monitor datasheet (Rev. C) PDF | HTML Dec 6, 2018
Certificate TPS2475x UL Certificate of Compliance UL 2367 Apr 10, 2020
Functional safety information eFuse: Safety Certification and why it Matters Mar 18, 2020
E-book 11 Ways to Protect Your Power Path Jul 3, 2019
Application note Basics of Power Switches (Rev. A) PDF | HTML Apr 26, 2019
Application note Basics of eFuses (Rev. A) Apr 5, 2018

Design & development

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Evaluation board

TPS24751EVM-546 — TPS24751EVM-546 2.5 to 18 V Positive Voltage 10A Integrated Hot-Swap Controller

TPS24751EVM-546 features a highly sophisticated hot swap controller with integrated MOSFET with built in SOA protection. The EVM provides the user with convenient test points, connectors, and various indicators for full evaluation of the device. TPS24751 will automatically retry while TPS24750 will (...)

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Simulation model

TPS24751 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM945A.ZIP (57 KB) - PSpice model
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Calculation tool

SLVC545 — TPS24750/1 Design Calculator Tool

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Calculation tool

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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VQFN (RUV) 36 Ultra Librarian
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