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LM5145 Datasheet(PDF) 63 Page - Texas Instruments

Part # LM5145
Description  LM5137 4V to 80V, 100% Duty Cycle Capable, Dual-Channel, Synchronous Buck DC/DC Controller
PDF  74 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM5145 Datasheet(HTML) 63 Page - Texas Instruments

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3. Compare the generated design with other possible solutions from Texas Instruments.
The WEBENCH Power Designer gives a customized schematic along with a list of materials with real-time
pricing and component availability.
In most cases, these actions are available:
• Run electrical simulations to see important waveforms and circuit performance
• Run thermal simulations to understand board thermal performance
• Export customized schematic and layout into popular CAD formats
• Print PDF reports for the design, and share the design with colleagues
Get more information about WEBENCH tools at www.ti.com/WEBENCH.
9.2 Documentation Support
9.2.1 Related Documentation
For related documentation, see the following:
• User's guides:
– Texas Instruments, LM5137F-Q1 12V, 20A Single-Output Evaluation Module
– Texas Instruments, LM25137-Q1 Evaluation Module
– Texas Instruments, LM5143-Q1 EVM User's Guide
– Texas Instruments, LM5141-Q1 EVM User's Guide
– Texas Instruments, LM5146-Q1 EVM User's Guide
– Texas Instruments, LM5145EVM-HD-20A High Density Evaluation Module
– Texas Instruments, LM5149-Q1 Buck Converter Evaluation Module User's Guide
– Texas Instruments, LM5190-Q1 CC-CV Buck Controller Evaluation Module
• Application notes:
– Texas Instruments, How to Implement a Four-Phase Interleaving Buck With the LM5137F-Q1
– Texas Instruments, LM5143-Q1 4-phase Buck Regulator Design for Automotive ADAS Applications
• Technical articles:
– Texas Instruments, Achieving functional safety compliance in automotive off-battery buck preregulator
designs
– Texas Instruments, Powering next-generation ADAS processors with TI Functional Safety-Compliant buck
regulators
9.2.1.1 Low-EMI Design Resources
• Texas Instruments, Low EMI landing page
• Texas Instruments, Tackling the EMI challenge company blog
• Texas Instruments, An Engineer's Guide to Low EMI in DC/DC Regulators e-book
• Texas Instruments, Designing a low-EMI power supply video series
• White papers:
– Texas Instruments, An Overview of Conducted EMI Specifications for Power Supplies
– Texas Instruments, An Overview of Radiated EMI Specifications for Power Supplies
– Texas Instruments, Time-Saving and Cost-Effective Innovations for EMI Reduction in Power Supplies
– Texas Instruments, Valuing Wide VIN, Low EMI Synchronous Buck Circuits for Cost-driven, Demanding
Applications
• Texas Instruments, Improve High-Current DC/DC Regulator EMI for Free With Optimized Power Stage
Layout application brief
• Texas Instruments, Reduce Buck Converter EMI and Voltage Stress by Minimizing Inductive Parasitics
analog design journal
www.ti.com
LM5137
SNVSCU3 – OCTOBER 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: LM5137



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