AMC Module Power Management

This reference design describes the use of a Lattice Power Manager II device as a Payload Power Management Coprocessor in an Advanced Mezzanine Card (AMC) system. The Advanced Mezzanine Card is intended to be plugged into a carrier system, either a card or a shelf, and supports the hot swapping of the Mezzanine card in the carrier system without affecting the operation of the host carrier system.

Features

• 12V hot swap controller
  • Operate MOSFETs in Safe Area of Operation (SOA)
  • Provide over-current and short-circuit protection
  • Programmable SOA and over-current levels
• Six supply monitors
  • 3.3V I/O, 2.5V, 1.8V, and 1.2V monitors
  • Two unassigned VMON inputs available to the user
• CPU reset
• Power fault output
• I²C interface between the MMC and the Power Manager II

download design documentation (RD1070)

download source code

* May work in other devices as well.

Note: The performance and design sizes shown above are estimates only. The actual results may vary depending upon the chosen parameters, timing constraints, and device implementation. See the design's documentation for details. All coding and design work was done on a PC platform unless noted otherwise.