System and method for distributing module phase information

Details System and method for distributing module phase information System and method for distributing module phase information

2007-08-21

2007-08-21

Vu, Bao Q. (Department: 2838)

Communications: electrical

Continuously variable indicating

With meter reading

C340S537000, C324S609000

Reexamination Certificate

active

11255312

ABSTRACT:
A multi-module DC-DC converter provides synchronization between modules based on identification of a module within a chain. A resistor network can be used for the chain so that each module obtains a particular voltage based on its position within the chain. A master module provides a source current to drive the chain so that each module can determine its relative position in the chain based on voltage readings. With this configuration, a master module can determine how many modules are in the chain, and each slave module can determine its relative position in the chain. The module information contributes to synchronization between the modules for use in current ripple cancellation, for example, in the multi-module DC-DC converter.

REFERENCES:
patent: 4231020 (1980-10-01), Azzis et al.
patent: 4575714 (1986-03-01), Rummel
patent: 6788036 (2004-09-01), Milavec et al.

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