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 APPLICATIONS
► Communications infrastructure ► Industrial test and measurement FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION
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).