LTC2974

RECOMMENDED FOR NEW DESIGNS

4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement

Data Sheet (Rev. F) Product Selection Table
Part Models
6
1ku List Price
Starting From $10.49
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Part Details

  • Sequence, Trim, Margin and Supervise Four Power Supplies
  • Manage Faults, Monitor Telemetry and Create Fault Logs
  • PMBus™ Compliant Command Set
  • Supported by LTpowerPlay® GUI
  • Margin or Trim Supplies to within 0.25% of Target
  • Fast OV/UV Supervisors Per Channel
  • Fast Output Current Supervisors Per Channel
  • Coordinate Sequencing and Fault Management Across Multiple LTC PSM Devices
  • Automatic Fault Logging to Internal EEPROM
  • Operate Autonomously without Additional Software
  • External Temperature and Input Voltage Supervisors
  • Accurate Monitoring of Four Output Voltages, Four Output Currents, Four External Temperatures, Input Voltage and Internal Die Temperature
  • I2C/SMBus Serial Interface
  • Can Be Powered from 3.3V, or 4.5V to 15V
  • Available in 64-Lead 9mm × 9mm QFN Package
  • AEC-Q100 Qualified for Automotive Applications
LTC2974
4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
LTC2974 Application Circuit LTC2974 Pin Configuration LTC2974 Performance Graph
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 3

Application Note 6

Technical Articles 7

Informational 1

Product Information 1

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Software Resources

Device Drivers 1

Hardware Ecosystem

Parts Product Life Cycle Description
Digital Power System Managers 2
LTC2975
RECOMMENDED FOR NEW DESIGNS 4-Channel PMBus Power System Manager Featuring Accurate Input Current and Energy Measurement
LTC2977
RECOMMENDED FOR NEW DESIGNS 8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement
Quad or More Supply Monitors 1
LTC2933
PRODUCTION Programmable Hex Voltage Supervisor with EEPROM
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Tools & Simulations

Linduino 3

Evaluation Kits

eval board
schematic 1
schematic 2
DC1962C

Power System Management Demo Board (PowerStick) | 14-Supply Management with LTC2977, LTC2974 and LTC3880 [Requires DC1613]

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Product Details

DC1962C Demo Board for:
LTC2974 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
LTC3880 Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
LTC2977 8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement

eval board
schematic 3
DC1978A

LTC2974 Demo Board Kit (Includes DC1809 + DC1810), Requires DC1613

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Product Details

DC1978A: Demo Board for the LTC2974 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement.

eval board
schematic 4
schematic 5
DC1508B-B

LTC2974, LTC2975 Socketed Programming Board (Requires DC1613)

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Product Details

The DC1508B programming board contains the circuitry needed to program and verify the EEPROM of the LTC2974, LTC2975, LTC2977, LTC2978, and LTC2978A. This is its sole purpose. The DC1508B is shipped with a clamshell style programming socket installed. The EEPROM contains the factory default configuration. The LTpowerPlay™ *.proj file that corresponds to the factory default can be found in the GUI.

eval board
schematic 6
schematic 7
DC1962C-KIT

Starter Kit for Power System Management [Includes DC1962C, DC1613A]

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Product Details

DC1962C-KIT Demo Board for:
LTC2977 8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement
LTC2974 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
LTC3880 Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management


 
DC1962C
Power System Management Demo Board (PowerStick) | 14-Supply Management with LTC2977, LTC2974 and LTC3880 [Requires DC1613]
DC1962C - Schematic DC1962 Demoboard
DC1978A
LTC2974 Demo Board Kit (Includes DC1809 + DC1810), Requires DC1613
DC1978A - Schematic
DC1508B-B
LTC2974, LTC2975 Socketed Programming Board (Requires DC1613)
DC1508B - Schematic DC1508B - Demo Board Image
DC1962C-KIT
Starter Kit for Power System Management [Includes DC1962C, DC1613A]
DC1962C - Schematic DC1962 Demoboard

Reference Designs

Kintex Ultrascale Plug In Card - Top View
Kintex Ultrascale Plug In Card - Top View
Kintex Ultrascale Plug In Card - Bottom View
Kintex Ultrascale Plug In Block Diagram
Xilinx Tested Power Solution for the Kintex UltraScale MGTs (Multi-Gigabit Transceivers) Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DC2352A - Top View
DC2352A - Top View
DC2352A - Bottom View
DC2352A Power Tree
Xilinx Tested Power Solution for the Virtex UltraScale MGTs (Multi-Gigabit Transceivers) Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
Xilinx Tested Power Solution for the Kintex UltraScale MGTs (Multi-Gigabit Transceivers)
Kintex Ultrascale Plug In Card - Top View
Kintex Ultrascale Plug In Card - Bottom View
Kintex Ultrascale Plug In Block Diagram
Xilinx Tested Power Solution for the Virtex UltraScale MGTs (Multi-Gigabit Transceivers)
DC2352A - Top View
DC2352A - Bottom View
DC2352A Power Tree

Latest Discussions

2 Years Ago
RE: How to calculate value of series resistor on DAC Output of LTC2974?
2 Years Ago
RE: LTC2975 vs. LTC2974
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