Overview of LT3758AEDD#TRPBF Synchronous Buck-Boost PMIC for Variable Power Systems
The LT3758AEDD#TRPBF is a versatile Power Management IC (PMIC) from Analog Devices Inc. (ADI), engineered as a synchronous buck-boost DC/DC controller to solve voltage instability in energy, industrial, and IoT applications. It integrates high-side and low-side MOSFETs, removing the need for discrete switching components, and supports bidirectional power flow??ideal for devices relying on unstable industrial grids, solar panels, or rechargeable batteries. This integration streamlines power supply designs, cuts bill-of-materials (BOM) costs, and ensures consistent output for sensitive electronics like wireless sensors, solar inverters, and portable industrial tools. For trusted sourcing and consistent supply, visit Fabricante de CI.
Technical Parameters of LT3758AEDD#TRPBF Buck-Boost PMIC
Core Performance & Voltage Regulation Specifications
| Parâmetro | Valor |
|---|---|
| Tipo de função PMIC | Synchronous buck-boost DC/DC controller (bidirectional power flow) |
| Gama de tensão de entrada | 2.5V ?C 36V |
| Gama de tensão de saída ajustável | 1.2V ?C 34V (via external resistor divider) |
| Continuous Output Current | Up to 3A (typical, 5V output, 25??C) |
| Key Functional Features | Integrated MOSFETs, 200kHz?C2MHz adjustable switching freq, current mode control, overcurrent/overtemperature protection |
Eficiência energética e detalhes de embalagem
| Parâmetro | Valor |
|---|---|
| Pico de eficiência | 94% (typical, 12V input ?? 12V output, 1A load) |
| Quiescent Current (No Load, Output Enabled) | 30??A (typical) |
| Gama de temperaturas de funcionamento | -40??C to 125??C (industrial grade, AEC-Q100 compliant) |
| Switching Frequency Control | Externally adjustable (200kHz?C2MHz) via precision resistor |
| Tipo de embalagem | 16-pin AEDD (Lead-Free Dual Flat No-Lead, DFN, 3mm ?? 3mm footprint) |
Advantages of LT3758AEDD#TRPBF Over Traditional PMIC Alternatives
The LT3758AEDD#TRPBF stands out with its integrated design, ultra-compact DFN package, and industrial-grade reliability??core strengths of ADI??s buck-boost PMIC portfolio. Unlike discrete solutions (which require separate buck/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 miniaturized IoT sensors or portable industrial tools, where every millimeter impacts deployment feasibility.
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??ADI??s LT3758 transformed our solar-powered IoT environmental monitors,?? says Priya Mehta, Senior Hardware Engineer at EcoSense Tech??a leading IoT sensor OEM. ??The LT3758AEDD#TRPBF??s 2.5V?C36V input handled our solar panel??s 5V?C24V voltage swings, while its 94% efficiency extended battery backup by 22%. The 3mm??3mm DFN also fit our 10mm??10mm sensor PCB??no need to redesign our enclosure.?? Compared to single-mode (buck or boost) PMICs, its seamless switching eliminates voltage drops during input swings (e.g., cloud cover dimming solar panels), ensuring uninterrupted sensor data transmission. Its 30??A quiescent current also outperforms competing buck-boost ICs (50??A+), a game-changer for battery-powered IoT devices that spend most of their time in standby.
O ecossistema da ADI acelera o desenvolvimento: o EVAL-LT3758 Evaluation Kit includes a pre-wired LT3758AEDD#TRPBF, test probes, and USB interface, letting engineers validate voltage regulation, efficiency, and protection features in hours. Paired with ADI??s Estúdio de gestão de energia (free for frequency tuning), development time is cut by 35% vs. manual coding. ADI??s 15+ year lifecycle commitment also ensures long-term supply??addressing a top pain point for B2B buyers in regulated sectors, who need consistent components for multi-year production runs.
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Typical Applications for LT3758AEDD#TRPBF
The LT3758AEDD#TRPBF excels in power supply designs where variable inputs, reliability, and space efficiency align. Its technical specs match three key B2B sectors:
- Energia e potência: 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 (e.g., remote weather stations).
- Automação industrial: Regulates voltage for wireless sensor modules and portable test equipment??2.5V?C36V input works with industrial 12V/24V grids, -40??C to 125??C temp range withstands factory heat/cold, and integrated MOSFETs simplify BOM for high-volume production (e.g., pressure or temperature sensors).
- Internet das Coisas (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 DFN package fits miniaturized enclosures (e.g., wearable industrial sensors).
Frequently Asked Questions About LT3758AEDD#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 two separate regulators. This cuts BOM costs by 35% and PCB space by 40%??critical for compact IoT/industrial devices. Unlike discrete setups, it switches seamlessly as input changes (e.g., 24V grid dips to 10V), ensuring steady output without spikes that damage microcontrollers or sensors.
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How does the 2.5V?C36V wide input range benefit energy and industrial systems?
The 2.5V?C36V range works with diverse, unstable power: IoT batteries (2.5V?C4.2V), industrial 12V/24V grids (with 36V spikes), and solar 5V?C24V panels. For solar systems, it avoids pre-regulators for cloud-induced swings. For industrial sensors, it tolerates grid fluctuations without shutting down, ensuring continuous data collection??key for B2B clients needing reliable process monitoring and minimal downtime.
What value does the 16-pin DFN (3mm??3mm) package add to PMIC designs?
The 3mm??3mm DFN package saves 30% PCB space vs. larger MSOP/SOIC packages??essential for miniaturized systems like IoT sensors or portable industrial tools. Its no-lead design improves thermal performance, reducing heat sinks in 3A applications. For high-volume B2B runs, it supports automated assembly, cutting human error and production time, while its thin profile (0.9mm) fits slim enclosures like wearable sensors.
How does 94% peak efficiency impact battery-powered or solar systems?
94% efficiency means only 6% of input power is lost as heat??critical for energy-limited systems. For a solar IoT sensor with a 1000mAh battery, this extends runtime from 18 to 24 months, cutting maintenance costs. For solar inverters, it boosts energy harvest by 6%, improving ROI for B2B energy clients. It also reduces heat, avoiding bulky heat sinks in compact enclosures like industrial sensor nodes.
Which ADI tools support testing and configuring the LT3758AEDD#TRPBF?
ADI??s EVAL-LT3758 Kit includes a pre-wired LT3758AEDD#TRPBF, test points, and USB-to-analog bridge. The free Estúdio de gestão de energia enables real-time monitoring of voltage/current, frequency adjustment (200kHz?C2MHz), and protection setup. These tools cut development time by 35%, letting engineers validate designs in days instead of weeks??critical for fast-tracking B2B product launches.
