ADM1266
Info : RECOMMENDED FOR NEW DESIGNS
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ADM1266

Cascadable Super Sequencer with Margin Control and Fault Recording

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 2
1ku List Price Starting From $15.40
Features
  • Complete supervisory and sequencing solution for up to 17 supplies
    • Expandable to 257 supplies with additional ADM1266 ICs connected to the 2-wire interdevice bus
    • Fully programmable sequencing engine
  • 17 supply fault detectors enable real time supervision of supplies
    • 0.4 V to 15 V on VH1 to VH4 (VHx)
    • 0.4 V to 5 V on VP1 to VP13 (VPx)
    • Device powered by the higher of VH1 and VH2 inputs for improved operating redundancy
  • 12-bit ADC for readback of all supervised voltages
  • Black box nonvolatile fault recording
  • 16 PDIOs
  • 9 GPIOs
  • 9 voltage output 8-bit DACs allow voltage margining adjustment via dc-to-dc converter trim/feedback node
  • Main and backup memory
  • Industry standard PMBus interface compliant
  • Available in a 9 mm × 9 mm, 64-lead package
Additional Details
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The ADM1266 Super Sequencer® is a configurable supervisory/sequencing device that offers a single-chip solution for supply monitoring and sequencing in systems with up to 17 supplies. For systems with more supplies (up to 257), the operation of up to 16 ADM1266 devices can be synchronized through a proprietary 2-wire interface (interdevice bus).

The sequencing engine (SE) monitors the supply fault detectors (SFDs), programmable driver input/outputs (PDIOs), general-purpose inputs/outputs (GPIOs), and timers, and controls the PDIOs and GPIOs to sequence the supplies up and down as required. The logical core of the device is an ARM® Cortex-M3 microcontroller. The firmware is supplied by Analog Devices, Inc., and all configuration is performed through an intuitive graphic user interface (GUI).

Additionally, the ADM1266 integrates an analog-to-digital converter (ADC) and voltage output digital-to-analog converters (DACs) that can be used to adjust either the feedback node or reference of a dc-to-dc converter to implement a closed-loop, autonomous, margining system.

A block of nonvolatile EEPROM is available to record voltage, time, and fault information when instructed to by the sequencing engine configuration.

APPLICATIONS

  • Communications infrastructure
  • Industrial test and measurement
Part Models 2
1ku List Price Starting From $15.40

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADM1266ACPZ
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ADM1266ACPZ-R7
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Product Lifecycle

PCN

Jan 4, 2022

- 21_0180

ADM1266 Assembly Site Transfer and Data Sheet Revision

Filter by Model

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Part Models

Product Lifecycle

PCN

Jan 4, 2022

- 21_0180

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ADM1266 Assembly Site Transfer and Data Sheet Revision

Evaluation Kit

Evaluation Kits 1

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EVAL-ADM1266

ADM1266 Evaluation Board

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EVAL-ADM1266

ADM1266 Evaluation Board

ADM1266 Evaluation Board

Features and Benefits

  • Sequence and Supervise Sixteen Power Supplies
  • Trim and Margin Nine Power Supplies
  • Automatic Fault Logging to internal EEPROM
  • Operates Autonomously without additional software
  • PMBus interface supports all device related software
  • Interchip bus simplifies multidevice cascading and sequencing operation
  • 16 voltages reference for input emulation
  • Switches and LEDs for signal emulation using GPIOs

Product Detail

The ADM1266-EVALZ is a demonstration system for the ADM1266 16-channel I2C/SMBus/PMBus Super Sequencer. The ADM1266 monitors and controls 16 power supply rails. The ADM1266-EVALZ demonstrates the ability of the ADM1266 to sequence, trim, margin, supervise, monitor, and log faults for sixteen power supply rails. Each power supply channel’s output voltage is monitored.

The ADM1266-EVALZ is a single circuit board that contains fourteen ADP1710 150mA linear regulators and two ADP7102 300mA Linear regulators, which are configured to be controlled by the ADM1266. This board provides a sophisticated 16-channel digitally programmable power supply system.

This demonstration system is supported by the ADI Power Studio™ graphical user interface (GUI) that enables complete control of all the features of the ADM1266. Together, the ADI Power Studio software and ADM1266-EVALZ hardware system create a powerful development environment for designing and testing ADM1266 configuration settings. These settings can be stored in the device’s internal EEPROM or in a file. This file can later be used to order pre-programmed devices or to program devices in a production environment. The software displays all of the configuration settings and real time measurements from the ADM1266. Telemetry allows easy access and decoding of the fault log created by the ADM1266. The board comes pre-programmed with the EEPROM values appropriate for the sixteen power supplies used on the ADM1266-EVALZ.

Multiple ADM1266-EVALZ boards can be cascaded together to form a high channel count power supply (see Multi-Board Arrays). This cascaded configuration demonstrates features of the ADM1266 which enable sequencing and fault information to be shared across multiple ICs. The user can configure up to sixteen ADM1266-EVALZ boards thereby controlling up to 256 separate power supply rails. Larger arrays of ADM1266s are supported through programmable I2C base address. The ADM1266-EVALZ demo board can be powered by an external power supply, such as a +12VDC supply. Communication with the software is provided through the EVAL-ADP-I2C-USB.

Software

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1.64 M

Tools & Simulations

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