LM25117-Q1
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
Automotive Grade 4.5-42V Wide Vin, Current Mode Synchronous Buck Controller with Tracking

 

Models (9)

Title Category Type Date
LM25117 TINA-TI Average Spice Model (Rev. A) TINA-TI Spice Model ZIP 04 Aug 2016
LM25117 TINA-TI Average Reference Design (Rev. A) TINA-TI Reference Design TSC 04 Aug 2016
LM25117 Unencrypted PSpice Average Model PSpice Model ZIP 24 Mar 2015
LM25117 Unencrypted PSpice Transient Model PSpice Model ZIP 24 Mar 2015
LM25117 PSpice Transient Model (Rev. A) PSpice Model ZIP 07 Jan 2015
LM25117 TINA-TI Transient Spice Model TINA-TI Spice Model ZIP 29 Aug 2013
LM25117 TINA-TI Transient Reference Design(START UP) TINA-TI Reference Design TSC 29 Aug 2013
LM25117 TINA-TI Transient Reference Design(Load transient) TINA-TI Reference Design TSC 29 Aug 2013
LM25117 PSpice Average Model PSpice Model ZIP 11 Apr 2013

Design kits & evaluation modules (1)

Name Part# Type
LM25117 Wide Vin Synchronous Buck Controller Evaluation Board LM25117EVAL Evaluation Modules & Boards

Reference designs

Power Reduction Using Dynamic Switching Reference Design

This design shows the power reduction benefits of dynamically switching a load on/off using a load switch. The design guide shows how frequency of switching, duty cycle, and the use of a discharge resistor can have an impact on power consumption.

View the Important Notice for reference designs covering authorized use, intellectual property matters and disclaimers.

Description Part Number Company Tool Type
8V-40V Input 5V/10A Synchronous Buck for Automotive Applications PMP7872 Texas Instruments Reference designs
Automotive USB Charger PMP6934 Texas Instruments Reference designs

Development tools (1)

Name Part# Type
LM(2)5117 Quick Start Calculator LM25117-5117QUICK-CALC Calculation Tools
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WEBENCH® Designer LM25117-Q1

  Min   Max Range
Vin  V 4.5 to 42.0V
Vout  V 0.8 to 41V
Iout  A ≤ 17A
Ambient Temp  °C -40 to 125°C