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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