Analog Devices LTC3872ETS8#TRMPBF: High-Voltage 1-Phase Sync Buck Controller (ETS8 Package)

Overview of LTC3872ETS8#TRMPBF High-Voltage 1-Phase Sync Buck Controller PMIC

The LTC3872ETS8#TRMPBF is a high-performance, high-voltage 1-phase synchronous Buck controller power management integrated circuit (PMIC) from Analog Devices Inc. (ADI), engineered to deliver efficient mid-to-high current regulation for industrial automation, data centers, and energy power systems. Designed for scenarios where high-voltage input tolerance and 1-phase compact high-current design are non-negotiable??such as industrial 48V PLCs, data center blade server auxiliary circuits, and solar inverter auxiliary power??it integrates a high-voltage Buck controller, synchronous rectification logic, loop compensation, and multi-layer protection (OCP/OTP/UVLO/SCP/OVP), eliminating the need for discrete controllers, drivers, and protection circuits. This integration simplifies circuit design, reduces BOM costs by up to 45%, and ensures reliable power delivery in high-voltage, mid-to-high current environments. For trusted sourcing of this component, visit ICメーカー.

Embedded engineers in industrial automation, data centers, and energy sectors rely on the LTC3872ETS8#TRMPBF for its 4.5V?C60V wide input range, 15A continuous output, and compact ETS8 package (with TRMPBF tape-and-reel compliance)??making it suitable for both fixed industrial controllers (e.g., 48V motor drives) and high-density data center hardware (e.g., blade server storage modules).

Technical Parameters of LTC3872ETS8#TRMPBF (1-Phase Sync Buck Controller Features)

Core Regulation & Power Performance

Power & Environmental Specifications (TRMPBF Compliance)

Key Advantages of LTC3872ETS8#TRMPBF Over Discrete 1-Phase Solutions

The LTC3872ETS8#TRMPBF solves three critical pain points for B2B engineers: 1-phase high-voltage high-current design complexity, high component count, and dense layout constraints. Unlike discrete setups (1 Buck controller + 2 drivers + 4 protection ICs), its integrated design reduces component count by 70%??eliminating driver-loop delays and improving efficiency by 12%. ??We replaced a 7-chip 1-phase system with the LTC3872ETS8#TRMPBF in our 48V blade server storage modules,?? says Dr. Michael Tao, Hardware Engineer at BladeTech Data. ??Its 15A output powered our high-density SSDs, and TRMPBF tape-and-reel packaging cut our assembly time by 25%.??

Compared to industrial-grade discrete 1-phase solutions, the LTC3872ETS8#TRMPBF uses 50% less quiescent current (32??A vs. 64?C67??A) and saves 25% PCB space (3.0mm x 3.0mm vs. 4.0mm x 4.0mm discrete layouts). For example, in a 48V industrial PLC (powering a 12A motor driver), it reduces power loss by 18%??lowering thermal management needs and extending PLC lifespan by 2 years. It also integrates 60V input tolerance (vs. 40V for standard discrete controllers), avoiding external surge suppressors and cutting BOM costs by 45%??critical for protecting solar inverters from 60V panel transients (which cause $10k?C$18k per field failure).

For design teams, AEC-Q100 Grade 3 compliance is a standout: it meets industrial/data center wide-temperature requirements without extra cooling, shortening time-to-market by 35%. Additionally, the ETS8 package??s compact size (3.0mm x 3.0mm) supports dense PCB layouts??unlike discrete solutions that require larger areas, enabling 20% more components per blade server. The TRMPBF tape-and-reel format also aligns with high-volume automated assembly, eliminating manual component handling and reducing defect rates by 30% vs. discrete parts. The pin-configurable switching frequency further eliminates software tuning, accelerating design cycles by 40% for multi-product lines.

Typical Applications of LTC3872ETS8#TRMPBF

The product excels in high-voltage, mid-to-high current power management scenarios requiring compact layouts and compliant packaging:

• データセンター Powers blade server storage/network modules, delivering 15A stable output for high-density SSDs/NICs, 96% efficiency reducing PUE, and TRMPBF tape-and-reel supporting automated assembly.

• 産業オートメーション： Drives 48V PLCs and mid-size motor drives, with 4.5V?C60V input handling factory power fluctuations, 15A output supporting motor loads, and -40??C to 125??C operation surviving harsh conditions.

• エネルギーとパワー Enables solar inverter auxiliary power, with 60V input tolerating panel voltage swings, 15A output powering control circuits, and minimal BOM reducing inverter design complexity.

Frequently Asked Questions (FAQ) About LTC3872ETS8#TRMPBF

1. Why is 15A continuous output important for blade server storage modules?

High-density blade server storage modules (with 8+ SSDs) require 12A?C15A continuous current to support simultaneous read/write operations. The PMIC??s 15A output powers these modules directly, eliminating the need for parallel discrete Buck controllers. This reduces PCB space by 25% and avoids current-sharing errors (common in parallel setups) that cause 22% of SSD data corruption incidents??critical for data center reliability.

2. How does TRMPBF tape-and-reel packaging benefit high-volume manufacturing?

TRMPBF (Tape & Reel, Moisture Sensitive Device, Lead-Free) packaging is optimized for automated pick-and-place machines, which are standard in data center server and industrial PLC production. It eliminates manual component placement, reducing assembly time by 25% for 10k+ unit runs. The moisture-sensitive compliance also avoids storage/handling issues, cutting defect rates by 30% vs. bulk-packaged discrete components.

3. Can the PMIC handle thermal stress in 15A high-current applications?

Yes. Its 35??C/W low thermal resistance (??JA) and -40??C to 125??C operating range manage heat from 15A loads. For a 48V??5V/10A conversion in a solar inverter, the PMIC??s temperature rise is only 35??C (from 25??C ambient), well below 125??C max. This eliminates oversized heatsinks, keeping inverter modules compact while avoiding thermal shutdowns that disrupt energy harvest.

4. Why is 4.5V?C60V input range useful for battery-powered industrial devices?

Industrial battery systems (e.g., 48V lithium-ion packs) have voltage swings from 4.5V (depleted) to 54V (fully charged) + transients. The PMIC??s wide range handles these without external pre-regulators, reducing BOM costs by 18%. For a portable 48V sensor node, it extends battery runtime by 30% vs. LDOs with 12V minimum input, ensuring operation during low-battery conditions.

5. How does pin-configurable switching frequency simplify multi-controller designs?

Data centers and factories often use multiple Buck controllers in parallel for high-power rails (e.g., 30A server CPU rails). The PMIC??s 100kHz?C1MHz pin-configurable frequency lets engineers sync controllers to avoid beat-frequency noise, which causes 20% of power rail instability in discrete designs. This simplifies multi-controller integration, reducing EMI testing time by 30% and ensuring stable power for sensitive components.