Analog Devices LT3757EMSE#TRPBF: Buck-Boost PMIC 16-Pin MSOP

Overview of LT3757EMSE#TRPBF Synchronous Buck-Boost PMIC

The LT3757EMSE#TRPBF is a versatile Power Management IC (PMIC) from Analog Devices Inc. (ADI), specialized as a synchronous buck-boost DC/DC controller for applications with variable input voltages. It integrates high-side and low-side MOSFETs, eliminating the need for discrete switching components, and supports bidirectional power flow??ideal for systems relying on unstable industrial grids, solar panels, or rechargeable batteries. This integration streamlines power supply designs, reduces bill-of-materials (BOM) costs, and ensures consistent output voltage for IoT, industrial, and energy systems. For trusted sourcing and consistent supply, visit Fabricant de circuits intégrés.

Technical Parameters of LT3757EMSE#TRPBF Buck-Boost PMIC

Core Performance & Regulation Specifications

Alimentation et détails de l'emballage

Advantages of LT3757EMSE#TRPBF Over PMIC Alternatives

The LT3757EMSE#TRPBF stands out with its integrated buck-boost design, wide input range, and industrial-grade reliability??core strengths of ADI??s versatile PMIC portfolio. Unlike discrete solutions (which require separate buck and boost ICs + external MOSFETs), its all-in-one architecture cuts BOM costs by 35% and reduces PCB complexity by 40%. This is critical for space-constrained systems like IoT sensors or portable industrial devices, where every component and millimeter impacts deployment feasibility.

??ADI??s LT3757 transformed our industrial wireless sensors,?? says Sarah Liu, Senior Power Engineer at InduTech Systems. ??The LT3757EMSE#TRPBF??s 2.5V?C36V input handled our grid??s 12V?C24V fluctuations, while its 94% efficiency extended our sensor??s battery life by 20%. The 16-pin MSOP also fit our 15mm x 15mm PCB??no need to redesign our enclosure.?? Compared to single-mode (buck or boost) PMICs, its buck-boost capability eliminates the need for two separate regulators, saving space and reducing failure points. Its 30??A quiescent current also outperforms competing buck-boost ICs (50??A+), preserving battery life for low-power IoT devices that spend most of their time in standby.

L'écosystème de l'ADI accélère le développement : la EVAL-LT3757 Evaluation Kit includes a pre-wired LT3757EMSE#TRPBF, test points, and USB-to-analog interface, letting engineers validate voltage regulation, efficiency, and protection features in hours. Paired with ADI??s Power Management Studio (free software for frequency tuning and overcurrent threshold setup), development time is cut by 35% vs. manual calculations and coding. ADI??s 15+ year lifecycle commitment also ensures long-term supply??critical for energy and industrial clients with multi-year production runs, addressing a top pain point for B2B buyers in regulated sectors who need consistent component availability.

Typical Applications for LT3757EMSE#TRPBF

The LT3757EMSE#TRPBF excels in power supply designs where variable input voltages and industrial-grade reliability are non-negotiable:

• Énergie et pouvoir : Powers solar-powered battery packs and portable inverters??wide input handles solar panel voltage swings (5V?C24V), 94% efficiency reduces energy waste, and bidirectional flow supports battery charging/discharging for off-grid systems.
• Automatisation industrielle : Regulates voltage for wireless sensor modules and portable test equipment??2.5V?C36V input works with industrial 12V/24V grids, industrial temperature range (-40??C to 125??C) withstands factory heat/cold, and integrated MOSFETs simplify BOM for high-volume production.
• Internet des objets (IoT) : Enables low-power IoT devices (smart meters, environmental monitors)??30??A quiescent current extends battery life to 2+ years, buck-boost design stabilizes voltage from AA/AAA batteries or small solar panels, and compact MSOP package fits miniaturized enclosures.

Frequently Asked Questions About LT3757EMSE#TRPBF

Why is a synchronous buck-boost PMIC better than separate buck and boost ICs?

A synchronous buck-boost PMIC combines step-up (boost) and step-down (buck) functionality in one chip, eliminating the need for two separate regulators. This cuts BOM costs by 35% and PCB space by 40%??critical for compact IoT or portable industrial devices. Unlike discrete setups, it seamlessly switches between buck/boost modes as input voltage changes (e.g., industrial grid dips from 24V to 10V), ensuring steady output without voltage drops that could damage sensitive electronics like microcontrollers or sensors.

How does the 2.5V?C36V wide input range benefit energy and industrial applications?

The 2.5V?C36V range lets the PMIC work with diverse, unstable power sources: IoT device batteries (2.5V?C4.2V), industrial grids (12V/24V with spikes up to 36V), and solar panels (5V?C24V). For solar systems, this means no additional pre-regulators to handle panel voltage swings caused by cloud cover. For industrial sensors, it tolerates grid fluctuations without shutting down, ensuring continuous data collection??a key requirement for B2B clients needing reliable process monitoring.

What value does the 16-pin MSOP package add to PMIC designs?

The 16-pin MSOP package has a compact footprint (5mm x 6mm) that saves 25% PCB space compared to larger SOIC packages. This is essential for miniaturized systems like IoT sensors or portable industrial tools, where enclosure size is fixed. Its surface-mount design also enables automated pick-and-place assembly, reducing human error and production time??critical for B2B manufacturers scaling to high-volume runs (e.g., 10k+ units for industrial sensor OEMs).

How does the 94% peak efficiency impact battery-powered or solar systems?

94% efficiency means only 6% of input power is lost as heat??critical for systems where energy is limited (e.g., solar-powered IoT sensors or battery-operated industrial tools). For a solar sensor with a 1000mAh backup battery, this efficiency extends runtime from 18 months to 24 months, cutting maintenance costs for end users. For solar inverters, it increases energy harvest by 6%, boosting overall system profitability??an important metric for B2B energy clients focused on ROI.

Which ADI tools support testing and configuring the LT3757EMSE#TRPBF?

L'ADI EVAL-LT3757 Evaluation Kit includes a pre-configured LT3757EMSE#TRPBF, input/output test points, and a USB-to-analog bridge for PC connectivity. The free Power Management Studio software enables real-time monitoring of output voltage/current, adjustment of switching frequency (200kHz?C2MHz), and setup of overcurrent/overtemp protection thresholds??no custom firmware required. These tools let engineers validate designs in days instead of weeks, cutting development time by 35% and ensuring faster time-to-market for power supply products.