LTC2937

RECOMMENDED FOR NEW DESIGNS

Programmable Six Channel Sequencer and Voltage Supervisor with EEPROM

Data Sheet (Rev. B) Product Selection Table
Part Models
8
1ku List Price
Starting From $7.07
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Part Details

  • Time and Event Based Sequencing
  • 12 Programmable Undervoltage (UV) and Overvoltage (OV) Comparators: ±0.75% Accuracy
  • I2C/SMBus Interface
  • Stalled Power Supply Detection
  • Single Wire Synchronization Allows Controller Expansion to 50 Devices (300 Power Supplies)
  • Configuration and Fault Logging in EEPROM
  • EEPROM Specified Over Entire Temperature Range, Rated to 125°C, 10k Writes, 20yr Retention
  • Supported by LTpowerPlay® GUI
  • Fault and System Status Registers
  • Reset Output with Programmable Delay
  • Wide Input Supply Voltage Range: 2.9V to 16.5V
  • 28-Lead QFN (5mm × 6mm) Package
LTC2937
Programmable Six Channel Sequencer and Voltage Supervisor with EEPROM
LTC2937 Application Circuit LTC2937 Performance Graph LTC2937 Pin Configuration
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

Application Note 1

Design Note 1

Technical Articles 2

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital Power System Managers 1
LTC2975
RECOMMENDED FOR NEW DESIGNS 4-Channel PMBus Power System Manager Featuring Accurate Input Current and Energy Measurement
Quad or More Supply Monitors 1
LTC2936
RECOMMENDED FOR NEW DESIGNS Programmable Hex Voltage Supervisor with EEPROM and Comparator Outputs
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Tools & Simulations

Linduino 2

Software Development Kit 1

Evaluation Kits

eval board
schematic 1
schematic 2
DC2347A

LTC2937 Socketed Programming Board [requires DC1613]

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Product Details

The DC2347A contains only those functions necessary to safely program and verify the LTC2937 configuration EEPROM. It serves no other purpose. The DC2347A holds the LTC2937 in a clamshell socket for convenient access and replacement of parts. The LTpowerPlay™ GUI software, running on a PC, provides a simple interface to program and verify the EEPROM with a user supplied configuration.

eval board
schematic 3
DC2313A

LTC2937 Demo Board | Programmable Six Channel Sequencer and Voltage Supervisor with EEPROM [requires DC1613]

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Product Details

Demonstration circuit 2313A showcases the LTC2937, a programmable six channel power supply sequencer and voltage supervisor.


The LTC2937 provides flexible sequence control for up to six power supplies. It enables and disables the supplies with configurable sequence order and time delays, monitors the supplies for power-up and power-down time, and for overvoltage and undervoltage. It cooperates with other LTC2937 parts in the system to coordinate power sequencing activities. It provides flexible fault response to autonomously supervise the power supplies, and powerful debug tools to diagnose any problem that causes a power- supply fault. It holds configuration in non-volatile EEPROM for completely automatic power system supervision.
DC2347A
LTC2937 Socketed Programming Board [requires DC1613]
DC2347A - Schematic DC2347A - Demo Circuit
DC2313A
LTC2937 Demo Board | Programmable Six Channel Sequencer and Voltage Supervisor with EEPROM [requires DC1613]
Figure 1. DC2313A Board

Reference Designs

HTG-AI & Prime PCIe Express Platform - Top View
HTG-AI & Prime PCIe Express Platform - Top View
HTG-AI & Prime PCIe Express Bottom
Versal VSL1 Power Tree for AI CORE VC1902 & Prime VM1802
HTG-VSL1 Circuits from the lab

Versal PRIME /AI PCI Express Platform

View Detailed Reference Design

Features and Benefits

  • Xilinx Versal™ AI Core and Prime series solves a broad range of industry-specific problems with performance and flexibility. Core use cases  include storage acceleration,  data center network acceleration, 5G xHaul and Passive optical networks.

  • The HTG-VSL1 AI Core and Prime PCIe express platform allows easy and versatile functional expansion through two Vita 57.4 compliant High-Pin-Count  FMC+ ports and one high-speed AcceleRate® port.

  • Analog Devices, Inc. supports power delivery solutions for the HTG-VSL1 for the Versal AI Core and Versal Prime PCIe express platform. DC/DC μModule regulators are used on the HTG-VSL1 to power Xilinx FPGA and/or SoC rails as well as other system rails. These regulators are highly integrated solutions with built in controller, power FETs, inductors, and capacitors that simplify layout and provide robust power delivery performance.

  • ADI provides supporting documentation including power schematics, layout, LTpowerPlanner® and applicable LTpowerPlay® configuration files to enable you to validate the power solution for your application seamlessly.

  • For a complete list power designs and use cases, please contact your local FAE.

  • Key Power DC DC Modules include:

    • LTM4700 is a Dual 50A or Single 100A μModule Regulator with Digital Power System Management, PMBus
    • LTM4638 is a 15A Step-Down DC/DC μModule Regulator
    • LTM4625 is a 5A Step-Down DC/DC μModule Regulator
    • LTM4632 is a Triple Output, Step-Down μModule Regulator for DDR-QDR4 Memory
    • LTC2937 is a Programmable Six Channel Sequencer and Voltage Supervisor with EEPROM
HTG-VSL1
Versal PRIME /AI PCI Express Platform
HTG-AI & Prime PCIe Express Platform - Top View
HTG-AI & Prime PCIe Express Bottom
Versal VSL1 Power Tree for AI CORE VC1902 & Prime VM1802

Latest Discussions

43 Weeks Ago
RE: Linux Kernel Mainline Driver Support or compatible for I2C communication with LTC2937
2 Years Ago
RE: LTC2937　SEQ_UP_POSITION　warning
View related discussion on EngineerZone®

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