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LM51770-QUICKSTART-CALC

LM51770x BuckBoost Quickstart Calculator Tool

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Latest version
Version: 1.0.1
Release date: May 12, 2026
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LM51770_Buck-Boost_Quickstart_Tool_V1_0_1.xlsm  — 3384 K

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Products
DC/DC controllers
LM51770 — 78V wide-VIN bidirectional 4-switch buck-boost controller LM51770-Q1 — 80V wide VIN bidirectional 4-switch buck-boost controller LM517701 — 78V wide-VIN bidirectional 4-switch buck-boost controller
Hardware development
Evaluation board
LM51770EVM-HV — LM51770 buck-boost controller evaluation module

Release Information

The LM51770(1) BuckBoost Quickstart Calculator tool supports you defining the power stage using the LM51770(1) and to select the required external components.

What's new

  • Added support for LM517701
  • Adjusted max. peak inductor current limit for LM51770 to 57.5mV