Method for generating a reading signal of a sense element...

Details Method for generating a reading signal of a sense element... Method for generating a reading signal of a sense element...

2004-09-30

2009-02-03

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

For phase shift or control

Using a three or more terminal semiconductive device

Reexamination Certificate

active

07486054

ABSTRACT:
A method for generating a reading signal of a sense element in at least a phase of a multiphase controller controlled by means of PWM control signals having a preset period and a duty cycle varying according to the load current and voltage of said controller, the reading signal being a digital signal having a first logic value during a reading period and a second logic value at the end of the reading period and showing a periodical trend which has a half cycle. The method provides that the value of said half cycle is so set that the reading period ends in a different instant from the switching instants of external power transistors comprised in the driving circuits of the controller phases not being read.

REFERENCES:
patent: 6343026 (2002-01-01), Perry
patent: 6424129 (2002-07-01), Lethellier
patent: 6590369 (2003-07-01), Burstein et al.
patent: 6788035 (2004-09-01), Bassett et al.
patent: 2001/0038277 (2001-11-01), Burstein et al.
patent: 2004/0227495 (2004-11-01), Egan et al.

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