Evaluation Kit/Evaluation System for the MAX5954L/MAX5954A (MAX5954LEVKIT) (MAX5954LEVKIT)

The MAX5954L evaluation kit (EV kit) is a fully assembled and tested surface-mount single hot-plug controller PC board for a single PCI Express® hot-plug slot. The circuit uses a MAX5954L IC in a 36-pin thin QFN package. The EV kit provides independent power control for the 12V, 3.3V, and 3.3V-auxiliary outputs of a single PCI Express x16 connector. The EV kit demonstrates the MAX5954L IC's inrush current control, output overcurrent/short-circuit protection and input undervoltage monitoring features.

The MAX5954L IC controls two separate external n-channel MOSFETs for the 12V and 3.3V outputs, respectively. Additionally, the MAX5954L has an internal MOSFET that controls the 3.3V-auxiliary output. Switches are provided to independently enable/disable the 12V/3.3V main and 3.3V-auxiliary supplies.

The MAX5954L EV kit can be reconfigured for evaluating a x1, x4, or x8 PCI Express single hot-plug design. Alternatively, the EV kit can also be used to demonstrate the MAX5954L hot-plug features without using the PCI Express x16 connector.

The EV kit includes a MAX7313 I/O expander that enables communication through an SMBus™ interface for the MAX5954L signals and some of the PCI Express signals. A CMAXQUSB interface board can be used to enable PC communication through the SMBus interface. Windows® 98-/2000-/XP-compatible GUI software is provided to access the MAX7313 I/O expander and MAX5954L signals. The MAX5954L EV kit can also be used in local control, without any software, or interfaced to a user-provided SMBus system signal.

Order the MAX5954LEVCMAXQUSB for a complete PC-based evaluation of the MAX5954L. Order the MAX5954LEVKIT if you already have a CMAXQUSB interface board or do not require PC-based evaluation of the MAX5954L.


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