LTM4681IY#PBF
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Analog Devices Inc. LTM4681IY#PBF

Manufacturer No:
LTM4681IY#PBF
Manufacturer:
Analog Devices Inc.
Package:
Tray
Description:
QUAD 30A OR SINGLE 120A UMODULE
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The LTM4681IY#PBF, produced by Analog Devices Inc., is a highly advanced quad 31.25A or single 125A step-down µModule (power module) DC/DC regulator. This device features remote configurability and telemetry-monitoring of power management parameters over PMBus. It integrates digitally programmable analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors, and supporting components. The LTM4681 is designed for high-performance power management in various applications, offering a robust and flexible solution for complex power systems.

Key Specifications

Parameter Specification
Input Voltage Range 4.5V to 16V
Output Voltage Range 0.5V to 3.3V
Maximum DC Output Error Over Temperature ±0.5%
Current Readback Accuracy ±4% (0°C to 125°C)
Switching Frequency Up to 350kHz
PMBus-Compliant Interface 400kHz I2C Serial Interface
Telemetry Polling Rates Up to 125Hz
Package Dimensions 15mm × 22mm × 8.17mm BGA
Operating Temperature Range –40°C to 125°C
Device Finish SnPb (63/37) or RoHS compliant (SAC305)

Key Features

  • Digital power system management with PMBus interface
  • Remote configurability and telemetry-monitoring of power management parameters
  • Integrated input current sense amplifier and 16-bit ∆Σ ADC
  • Support for parallel and current share multiple modules
  • Configurable output array: quad 31.25A or single 125A
  • Digital soft-start/stop ramp and programmable analog loop
  • Overvoltage, undervoltage, overtemperature protection and UVLO
  • Onboard EEPROM for fault log record and configurable parameters
  • Cable drop compensation and current limit switches

Applications

  • Multi-rail processor power and configurable core power
  • High-performance computing and data center equipment
  • Telecommunications and networking equipment
  • Industrial control systems and automation
  • Medical devices and healthcare equipment

Q & A

  1. What is the input voltage range of the LTM4681IY#PBF?

    The input voltage range is from 4.5V to 16V.

  2. What are the output voltage and current capabilities of the LTM4681IY#PBF?

    The output voltage range is from 0.5V to 3.3V, and it can deliver up to 125A in a single configuration or 31.25A in a quad configuration.

  3. Does the LTM4681IY#PBF support remote configuration and monitoring?

    Yes, it supports remote configurability and telemetry-monitoring over PMBus.

  4. What is the switching frequency of the LTM4681IY#PBF?

    The switching frequency can be up to 350kHz.

  5. What type of interface does the LTM4681IY#PBF use for communication?

    It uses a 400kHz PMBus-compliant I2C serial interface.

  6. What are the dimensions of the LTM4681IY#PBF package?

    The package dimensions are 15mm × 22mm × 8.17mm BGA.

  7. What is the operating temperature range of the LTM4681IY#PBF?

    The operating temperature range is from –40°C to 125°C.

  8. Does the LTM4681IY#PBF have built-in protection features?

    Yes, it includes overvoltage, undervoltage, overtemperature protection, and UVLO.

  9. Can the LTM4681IY#PBF be used in parallel or current share configurations?

    Yes, it supports parallel and current share multiple modules.

  10. What tools are available for configuring and monitoring the LTM4681IY#PBF?

    The LTpowerPlay GUI and DC1613 USB-to-PMBus converter are available for configuration and monitoring.

Product Attributes

Applications:Processor
Current - Supply:25mA
Voltage - Supply:4.5V ~ 16V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:330-BBGA Module
Supplier Device Package:330-BGA (22x15)
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In Stock

$188.25
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Similar Products

Part Number LTM4681IY#PBF LTM4681EY#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Active Active
Applications Processor Processor
Current - Supply 25mA 25mA
Voltage - Supply 4.5V ~ 16V 4.5V ~ 16V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount
Package / Case 330-BBGA Module 330-BBGA Module
Supplier Device Package 330-BGA (22x15) 330-BGA (22x15)

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