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LM5069

ACTIVE

9-V to 80-V hot swap controller with power limiting

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Data sheet

LM5069

ACTIVE
Data sheet Order now

Product details

FET External Vin (Min) (V) 9 Vin (Max) (V) 80 Vabsmax_cont (V) 100 Current limit (Min) (A) 0.01 Current limit (Max) (A) 500 Overcurrent response Current limiting, Circuit breaker Fault response Auto Retry, Latch Off UL recognition —
FET External Vin (Min) (V) 9 Vin (Max) (V) 80 Vabsmax_cont (V) 100 Current limit (Min) (A) 0.01 Current limit (Max) (A) 500 Overcurrent response Current limiting, Circuit breaker Fault response Auto Retry, Latch Off UL recognition —
VSSOP (DGS) 10 9 mm² 3 x 3
  • Wide operating range: 9 V to 80 V
  • In-rush current limit for safe board insertion into live power sources
  • Programmable maximum power dissipation in the external pass device
  • Adjustable current limit
  • Circuit breaker function for severe overcurrent events
  • Internal high side charge pump and gate driver for external N-channel MOSFET
  • Adjustable undervoltage lockout (UVLO) and hysteresis
  • Adjustable overvoltage lockout (OVLO) and hysteresis
  • Initial insertion timer allows ringing and transients to subside after system connection
  • Programmable fault timer avoids nuisance trips
  • Active high open drain POWER GOOD output
  • Available in latched fault and automatic restart versions
  • 10-Pin VSSOP package
  • Wide operating range: 9 V to 80 V
  • In-rush current limit for safe board insertion into live power sources
  • Programmable maximum power dissipation in the external pass device
  • Adjustable current limit
  • Circuit breaker function for severe overcurrent events
  • Internal high side charge pump and gate driver for external N-channel MOSFET
  • Adjustable undervoltage lockout (UVLO) and hysteresis
  • Adjustable overvoltage lockout (OVLO) and hysteresis
  • Initial insertion timer allows ringing and transients to subside after system connection
  • Programmable fault timer avoids nuisance trips
  • Active high open drain POWER GOOD output
  • Available in latched fault and automatic restart versions
  • 10-Pin VSSOP package

The LM5069 positive hot swap controller provides intelligent control of the power supply connections during insertion and removal of circuit cards from a live system backplane or other hot power sources. The LM5069 provides in-rush current control to limit system voltage droop and transients. The current limit and power dissipation in the external series pass N-Channel MOSFET are programmable, ensuring operation within the Safe Operating Area (SOA). The POWER GOOD output indicates when the output voltage is within 1.25 V of the input voltage. The input undervoltage and overvoltage lockout levels and hysteresis are programmable, as well as the initial insertion delay time and fault detection time. The LM5069-1 latches off after a fault detection, while the LM5069-2 automatically restarts at a fixed duty cycle. LM5069 is available in a 10-pin VSSOP package.

The LM5069 positive hot swap controller provides intelligent control of the power supply connections during insertion and removal of circuit cards from a live system backplane or other hot power sources. The LM5069 provides in-rush current control to limit system voltage droop and transients. The current limit and power dissipation in the external series pass N-Channel MOSFET are programmable, ensuring operation within the Safe Operating Area (SOA). The POWER GOOD output indicates when the output voltage is within 1.25 V of the input voltage. The input undervoltage and overvoltage lockout levels and hysteresis are programmable, as well as the initial insertion delay time and fault detection time. The LM5069-1 latches off after a fault detection, while the LM5069-2 automatically restarts at a fixed duty cycle. LM5069 is available in a 10-pin VSSOP package.
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Technical documentation

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Type Title Date
* Data sheet LM5069 Positive High-Voltage Hot Swap/Inrush Current Controller w/Power Limiting datasheet (Rev. G) 08 Nov 2019
Application note Parallel Operation of TPS2663 eFuses 16 Nov 2020
Technical article eFuses in factory automation: all-in-one system power protection 15 Sep 2020
E-book 11 Ways to Protect Your Power Path white paper 03 Jul 2019
Application note Accurate Thermal Calculations on the Back of a Napkin 03 Jun 2019
Application note Basics of Power Switches (Rev. A) 26 Apr 2019
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Technical article Who tampered with my PLC? Are industrial control systems too flexible? 05 Aug 2016
User guide EVM for LM5069 Surge Stopper and Reverse Voltage Protection 13 Sep 2014
Technical article APEC 2014: What is all of this industrial buzz?! 19 Mar 2014
Technical article Err in haste, repent in leisure... or maybe not. 18 Dec 2013
User guide AN-1326 LM5068 Evaluation Board (Rev. A) 06 May 2013
User guide AN-1522 LM5069 Evaluation Board (Rev. B) 06 May 2013
User guide AN-1723 LM5067 Evaluation Board (Rev. A) 06 May 2013
Application note Output Voltage Clamping Using the LM5069 Hot Swap Controller (Rev. B) 06 May 2013
Application note Surge Stopping and Reverse Voltage Protection with the LM5069 11 Apr 2013

Design & development

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

Evaluation board

LM5069EVAL — Positive High Voltage Hot Swap Inrush Current Controller with Power Limiting Evaluation Module

The LM5069EVAL evaluation board provides the design engineer with a fully functional hot swap controller board designed for positive voltage systems. This board contains an LM5069-2, the auto restart version of this IC. This application note describes the various functions of the board, how to test (...)

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Evaluation board

LM5069EVM-627 — LM5069 evaluation board

LM5069EVM-627 provides the design engineer with a fully functional hotswap controller evaluation module designed with surge voltage clamping, reverse voltage protection and reverse current protection. The EVM features LM5069-2, with auto restart. The LM5069EVM-627 User Guide describes board (...)

document-pdfAcrobat User guide
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Limit: 5
Simulation model

LM5069-2 Unencrypted PSpice Transient Model Package (Rev. A)

SNVM373A.ZIP (75 KB) - PSpice Model
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Simulation model

LM5069-1 Unencrypted PSpice Transient Model Package (Rev. A)

SNVM374A.ZIP (78 KB) - PSpice Model
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Simulation model

LM5069-1 TINA-TI Transient Spice Model

SNVM597.ZIP (46 KB) - TINA-TI Spice Model
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Simulation model

LM5069-1 TINA-TI Transient Reference Design

SNVM598.ZIP (118 KB) - TINA-TI Reference Design
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Simulation model

LM5069-2 TINA-TI Transient Spice Model

SNVM651.ZIP (24 KB) - TINA-TI Spice Model
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Simulation model

LM5069-2 TINA-TI Transient Reference Design

SNVM652.ZIP (114 KB) - TINA-TI Reference Design
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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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Calculation tool

LM5069 Design Calculator With FET Recommendation

SNVR506.ZIP (532 KB)
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Calculation tool

LM5069 Design Calculator (Rev. D)

SNVU050D.ZIP (711 KB)
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