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LM5137-LM25137-DESIGN-CALC

LM5137/-Q1 and LM25137/-Q1 controller quickstart design tool

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LM5137-LM25137-DESIGN-CALC

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Overview

Welcome to the quickstart design tool for the LM5137, LM5137-Q1, LM25137 and LM25137-Q1 controller family, which is intended for functional safety applications. This standalone tool facilitates and assists the power supply engineer with the design of a DC/DC buck regulator in a single- or dual-output configuration. As such, the user can expeditiously arrive at an optimized design to meet the application requirements.

Features
  • Configure the controller for dual-output, two-phase or multi-phase configurations
  • Determine buck inductances and input and output capacitances
  • Select components for soft start, overcurrent protection, switching frequency and output voltage setpoint(s)
  • Optimize compensation component values for loop stability using crossover frequency as a performance metric
  • Inspect regulator efficiency, solution size, and component power dissipations with ambient temperature as a parameter
  • Review auto-generated schematic and BOM list
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Calculation tool

LM5137-LM25137-DESIGN-CALC — LM5137/-Q1 and LM25137/-Q1 quickstart calculator

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC controllers (external FET)
LM5137-Q1 — Automotive, 80V, 100% duty-cycle capable dual-channel synchronous buck controller
Hardware development
Evaluation board
LM25137F-Q1-EVM5D3 — LM25137F-Q1 evaluation module
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LM5137-LM25137-DESIGN-CALC — LM5137/-Q1 and LM25137/-Q1 quickstart calculator

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Latest version
Version: B1
Release date: Aug 19, 2024
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LM5137_LM25137_quickstart_calculator_B1.xlsm  — 2422 K

LM5137/-Q1 and LM25137/-Q1 synchronous buck controller quickstart calculator

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Products
AC/DC & DC/DC controllers (external FET)
LM5137-Q1 — Automotive, 80V, 100% duty-cycle capable dual-channel synchronous buck controller
Hardware development
Evaluation board
LM25137F-Q1-EVM5D3 — LM25137F-Q1 evaluation module

Release Information

Welcome to the quickstart design tool for the LM5137, LM5137-Q1, LM25137 and LM25137-Q1 controller family, which is intended for functional safety applications. This standalone tool facilitates and assists the power supply engineer with the design of a DC/DC buck regulator using this controller family. As such, the user can expeditiously arrive at an optimized design to meet the application requirements.

Support & training