Home Power management DC/DC switching regulators Buck-boost & inverting regulators Buck-boost & inverting controllers (external switch)
Home
Power management
DC/DC switching regulators
Buck-boost & inverting regulators
Buck-boost & inverting controllers (external switch)
NEW

LM5177

PREVIEW

78-V wide VIN synchronous 4-switch buck-boost controller with bidirectional operation

Order now

LM5177

PREVIEW
Order now

Product details

Topology Buck-Boost Vin (min) (V) 2.8 Vin (max) (V) 78 Vout (max) (V) 78 Vout (min) (V) 3.3 Duty cycle (max) (%) 100 Switching frequency (min) (kHz) 90 Switching frequency (max) (kHz) 2200 Iq (typ) (mA) 0.06 Features Adjustable UVLO, Adjustable current limit, Dynamic Voltage Scaling, Enable, Frequency synchronization, Light Load Efficiency, Load Disconnect, Power good, Spread Spectrum, Synchronous Rectification, Tracking, UVLO adjustable Operating temperature range (°C) -40 to 150 Rating Catalog Type Controller
Topology Buck-Boost Vin (min) (V) 2.8 Vin (max) (V) 78 Vout (max) (V) 78 Vout (min) (V) 3.3 Duty cycle (max) (%) 100 Switching frequency (min) (kHz) 90 Switching frequency (max) (kHz) 2200 Iq (typ) (mA) 0.06 Features Adjustable UVLO, Adjustable current limit, Dynamic Voltage Scaling, Enable, Frequency synchronization, Light Load Efficiency, Load Disconnect, Power good, Spread Spectrum, Synchronous Rectification, Tracking, UVLO adjustable Operating temperature range (°C) -40 to 150 Rating Catalog Type Controller
HTSSOP (DCP) 38 62.08 mm² 9.7 x 6.4
open-in-new Find other Buck-boost & inverting controllers (external switch)
Download View video with transcript Video

Technical documentation

No results found. Please clear your search and try again.
View all 5
Type Title Date
User guide LM5177 Buck-Boost Controller Evaluation Module User's Guide (Rev. B) PDF | HTML 27 Apr 2023
Application note Dynamic Current Tracking With the LM5177 4-Switch Buck Boost Controller PDF | HTML 24 Feb 2023
Application note Constant Current Operation Using the Internal Current Limiter PDF | HTML 27 Jan 2023
Application note How to Design a Non-Inverting 4-Switch Buck-Boost Converter Using the LM5177x PDF | HTML 15 Dec 2022
Certificate LM5177EVM-HP EU RoHS Declaration of Conformity (DoC) 16 Dec 2021

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Calculation tool

LM5177 BuckBoost Quickstart Calculator Tool (Rev. C)

SNVR519C.ZIP (4345 KB)
Download
PCB layout

LM5177EVM-HP PCB Layout (Rev. A)

SNVR526A.ZIP (1766 KB)
Download
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Request
Package Pins Download
HTSSOP (DCP) 38 View options
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos