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TPS24701

ACTIVE

2.5-V to 18-V hot swap controller with soft-start

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Data sheet

TPS24701

ACTIVE
Data sheet Order now

Product details

FET External Vin (min) (V) 2.5 Vin (max) (V) 18 Vabsmax_cont (V) 30 Current limit (min) (A) 0.01 Current limit (max) (A) 500 Overcurrent response Circuit breaker, current limiting Fault response Auto-retry Soft start Adjustable Features Power good signal Rating Catalog Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 85 Function Adjustable current limit, Inrush current control, Power good signal, Short circuit protection Quiescent current (Iq) (typ) (A) 0.001 Quiescent current (Iq) (max) (A) 0.0014
FET External Vin (min) (V) 2.5 Vin (max) (V) 18 Vabsmax_cont (V) 30 Current limit (min) (A) 0.01 Current limit (max) (A) 500 Overcurrent response Circuit breaker, current limiting Fault response Auto-retry Soft start Adjustable Features Power good signal Rating Catalog Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 85 Function Adjustable current limit, Inrush current control, Power good signal, Short circuit protection Quiescent current (Iq) (typ) (A) 0.001 Quiescent current (Iq) (max) (A) 0.0014
VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • 2.5-V to 18-V Operation
  • Accurate Current Limiting for Starup
  • Accurate 25-mV Current Sense Threshold
  • Timed Overcurrent Breaker
  • Power-Good Output
  • Fast Breaker for Short-Circuit Protection
  • Latch Off (TPS24700) and Retry Versions (TPS24701)
  • Programmable UV Threshold
  • Drop-In Upgrade for LTC4211 – No Layout Changes
  • Small MSOP-8 Package
  • APPLICATIONS
    • Server Backplanes
    • Storage Area Networks (SAN)
    • Medical Systems
    • Plug-In Modules
    • Base Stations
    • Consumer Electronics
  • 2.5-V to 18-V Operation
  • Accurate Current Limiting for Starup
  • Accurate 25-mV Current Sense Threshold
  • Timed Overcurrent Breaker
  • Power-Good Output
  • Fast Breaker for Short-Circuit Protection
  • Latch Off (TPS24700) and Retry Versions (TPS24701)
  • Programmable UV Threshold
  • Drop-In Upgrade for LTC4211 – No Layout Changes
  • Small MSOP-8 Package
  • APPLICATIONS
    • Server Backplanes
    • Storage Area Networks (SAN)
    • Medical Systems
    • Plug-In Modules
    • Base Stations
    • Consumer Electronics

The TPS24700/1 is an easy-to-use, 2.5 V to 18 V, hot-swap controller that drives an external N-channel MOSFET. The programmable current limit and fault time protect the supply and load from excessive current at startup. After startup, currents above the user-selected limit are allowed to flow until programmed timeout – except in extreme overload events when load is immediately disconnected from source. The low, 25-mV current sense threshold is highly accurate and allows use of smaller, more-efficient sense resistors, yielding lower power loss and smaller footprint. A power-good output is provided for status monitoring and downstream load control.

TPS24700/1 replaces the LTC4211 in existing designs with no PCB board changes and only minor external component changes – yielding a more accurate, efficient solution.

The TPS24700/1 is an easy-to-use, 2.5 V to 18 V, hot-swap controller that drives an external N-channel MOSFET. The programmable current limit and fault time protect the supply and load from excessive current at startup. After startup, currents above the user-selected limit are allowed to flow until programmed timeout – except in extreme overload events when load is immediately disconnected from source. The low, 25-mV current sense threshold is highly accurate and allows use of smaller, more-efficient sense resistors, yielding lower power loss and smaller footprint. A power-good output is provided for status monitoring and downstream load control.

TPS24700/1 replaces the LTC4211 in existing designs with no PCB board changes and only minor external component changes – yielding a more accurate, efficient solution.
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Technical documentation

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Type Title Date
* Data sheet 2.5-V to 18-V High-Efficiency Hot-Swap Controller datasheet (Rev. B) 13 May 2011
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Selection guide Hot Swap Selection Tool 28 Jul 2015
EVM User's guide Using the TPS24700EVM, TPS24701EVM, TPS24710EVM and the TPS24711EVM (Rev. A) 10 Sep 2013

Design & development

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Simulation model

TPS24701 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM233A.ZIP (73 KB) - PSpice Model
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Supported products & hardware

Supported products & hardware

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eFuses & hot swap controllers
TPS24700 — 2.5-V to 18-V hot swap controller TPS24701 — 2.5-V to 18-V hot swap controller with soft-start
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This tool suggests suitable TVS for given system parameters and abs max voltage rating of the device.
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