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


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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 & evaluate it, and how to change the components for a specific application. The LM5069 data sheet is available from www.ti.com.

  • Adjustable current limit
  • Circuit breaker function for severe over-current events
  • Internal high side charge pump and gate driver for external N-channel MOSFET
  • Adjustable under-voltage lockout (UVLO) and hysteresis
  • Adjustable over-voltage 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
  • MSOP-10 Package


  • Server Backplane Systems
  • Base Station Power Distribution Systems
  • Solid State Circuit Breaker
  • 24V/48V Industrial Systems


eFuses & hot swap controllers
LM5069 9-V to 80-V hot swap controller with power limiting TPS2493 9-V to 80-V hot swap controller with power limiting, Auto Retry and analog current monitor

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Evaluation board

LM5069EVAL/NOPB — Positive High Voltage Hot Swap Inrush Current Controller with Power Limiting

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TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* EVM User's guide AN-1522 LM5069 Evaluation Board (Rev. B) May 06, 2013
Certificate LM5069EVAL/NOPB EU Declaration of Conformity (DoC) Jan. 02, 2019
Application note Robust Hot Swap Design (Rev. A) Apr. 08, 2015
EVM User's guide AN-1326 LM5068 Evaluation Board (Rev. A) May 06, 2013

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