LM5140-Q1
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
Wide Vin Dual 2.2MHz low Iq Synchronous Buck Controller

 

Models (2)

Title Category Type Date
LM5140 PSpice Transient Model (Rev. B) PSpice Model ZIP 30 Mar 2017
Export TINA-TI Transient Spice Model from WEBENCH (Rev. A) TINA-TI Spice Model PDF 06 Nov 2015

Design kits & evaluation modules (4)

Name Part# Type
J6Entry, RSP and TDA2E-17 CPU Board Evaluation Module EVMX777BG-01-00-00 Evaluation Modules & Boards
J6Entry/RSP Infotainment (CPU+Display+JAMR3) Evaluation Module EVMX777G-01-20-00 Evaluation Modules & Boards
LM5140QRWGRQ1 Dual Synchronous Buck Converter High Density Evaluation Module (EVM) LM5140RWGEVMHD Evaluation Modules & Boards
LM5140RWGEVM Dual Synchronous Buck Converter EVM LM5140RWGEVM Evaluation Modules & Boards

Reference designs

Automotive Power Reference Design for Infotainment Systems

This reference design shows a complete power tree for automotive infotainment systems. The LM74700-Q1 provides reverse battery protection to the system and provides immunity to automotive transients specified in ISO 7637-2 and ISO 16750-2. The pre-booster with LM5150-Q1 provides a stable supply (...)

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

Development tools (1)

Name Part# Type
Quick Start Calculator for the LM5140-Q1 LM5140ADESIGN-CALC Calculation Tools

WEBENCH ® Designer LM5140-Q1

  Min   Max Range
Vin -  V 3.80 - 65.00V

Vout1  V 1.50 - 15.00V
Iout1  A ≤ 10.00A

Vout2  V 1.50 - 15.00V
Iout2  A ≤ 10.00A

Ambient Temp   °C -40 - 125 °C