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TPS24741

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2.5-V to 18-V hot swap controller with power limiting and Oring with auto retry

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Data sheet

TPS24741

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 Overvoltage response Cut-off Features Current monitoring, Fault output, Power good signal, Reverse current blocking always Rating Catalog Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125 Quiescent current (Iq) (typ) (A) 0.0058 Quiescent current (Iq) (max) (A) 0.008
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 Overvoltage response Cut-off Features Current monitoring, Fault output, Power good signal, Reverse current blocking always Rating Catalog Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125 Quiescent current (Iq) (typ) (A) 0.0058 Quiescent current (Iq) (max) (A) 0.008
VQFN (RGE) 24 16 mm² 4 x 4
  • 2.5V to 18V Bus Operation (30V abs max)
  • Programmable Protection Settings:
    • Current Limit: ±5% at 10mV
    • Fast Trip: ±10% at 20mV
    • Reverse Voltage: ±1mV at –1 mV
  • Programable Response Time for Fast Trip and
    Reverse Voltage
  • Programmable FET SOA Protection
  • Dual Timer (Inrush/Fault)
  • Interchangeable Hot Swap and ORing
  • Analog Current Monitor (1% at 25mV)
  • Status Flags for Faults and Power Good
  • UV and OV Protection
  • Independent EN for Hot Swap and ORing
  • 4mm × 4mm 24-pin QFN
  • 40 = Latch, 41 = Retry, 42 = Fast Latch Off
  • 2.5V to 18V Bus Operation (30V abs max)
  • Programmable Protection Settings:
    • Current Limit: ±5% at 10mV
    • Fast Trip: ±10% at 20mV
    • Reverse Voltage: ±1mV at –1 mV
  • Programable Response Time for Fast Trip and
    Reverse Voltage
  • Programmable FET SOA Protection
  • Dual Timer (Inrush/Fault)
  • Interchangeable Hot Swap and ORing
  • Analog Current Monitor (1% at 25mV)
  • Status Flags for Faults and Power Good
  • UV and OV Protection
  • Independent EN for Hot Swap and ORing
  • 4mm × 4mm 24-pin QFN
  • 40 = Latch, 41 = Retry, 42 = Fast Latch Off

The TPS2474x is an integrated ORing and Hot Swap controller for 2.5 V to 18 V systems. It's precise and programmable protection settings aid in the design of high power, high availability systems where isolating faults is critical.

Programmable current limit, fast shut down, and fault timer protect the load and supply during fault conditions such as a hot - short. The fast shutdown threshold and response time can be tuned to ensure a fast response to real faults, while avoiding nuisance trips. Programmable SOA (Safe Operating Area) protection and the inrush timer keep the MOSFET safe under all operating conditions. After asserting a power good, TPS2474x runs the fault timer during over-current events, but doesn’t current limit. It shuts down after the fault timer expires. Two independent timers (inrush/fault) allow the user to customize protection based on system requirements. The ORing function of the TPS2474x allows the user to program the reverse voltage threshold and response time to aid in the design of redundant power supply systems.

The TPS2474x is an integrated ORing and Hot Swap controller for 2.5 V to 18 V systems. It's precise and programmable protection settings aid in the design of high power, high availability systems where isolating faults is critical.

Programmable current limit, fast shut down, and fault timer protect the load and supply during fault conditions such as a hot - short. The fast shutdown threshold and response time can be tuned to ensure a fast response to real faults, while avoiding nuisance trips. Programmable SOA (Safe Operating Area) protection and the inrush timer keep the MOSFET safe under all operating conditions. After asserting a power good, TPS2474x runs the fault timer during over-current events, but doesn’t current limit. It shuts down after the fault timer expires. Two independent timers (inrush/fault) allow the user to customize protection based on system requirements. The ORing function of the TPS2474x allows the user to program the reverse voltage threshold and response time to aid in the design of redundant power supply systems.
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Technical documentation

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Type Title Date
* Data sheet TPS2474x 2.5-V to 18-V High Performance Hot Swap and ORing Controller datasheet (Rev. A) PDF | HTML 17 Feb 2015
Selection guide Hot Swap Selection Tool 28 Jul 2015
EVM User's guide TPS24742EVM-667 Evaluation Module User's Guide 02 Jul 2015
Application note Handling System Transients in Hot Swap Applications 08 May 2015
EVM User's guide TPS24740EVM-596 Evaluation Module (Rev. A) 12 Mar 2015

Design & development

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

Evaluation board

TPS24740EVM-596 — TPS24740 EVM for ORing to Multiple Hotswap Loads

The TPS24740EVM-596 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS24740 2.5-V to 18-V Positive Voltage Hot-Swap and ORing controller. The EVM is designed for ORing to multiple hot-swapped loads and contains header connectors for easy connection to external (...)

User guide: PDF
Not available on TI.com
Evaluation board

TPS24742EVM-667 — TPS24742 Evaluation Module for Hotswap to ORing Applications

The TPS24742EVM-667 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS24742 2.5-V to 18-V positive voltage hot-swap and ORing controller. The EVM is designed for hot swap to ORing applications  and contains header connectors for easy connection to external (...)

User guide: PDF
Not available on TI.com
Simulation model

TPS24741 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMAP3A.ZIP (135 KB) - PSpice Model
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Calculation tool

SLVRBD9 — TPS2474x Design Calculator

Supported products & hardware

Supported products & hardware

Products
eFuses & hot swap controllers
TPS24740 — 2.5-V to 18-V hot swap controller with power limiting and Oring with latch off TPS24741 — 2.5-V to 18-V hot swap controller with power limiting and Oring with auto retry TPS24742 — 2.5-V to 18-V hot swap controller with power limiting and Oring
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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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Supported products & hardware

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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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VQFN (RGE) 24 Ultra Librarian
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