Adjustable power control module and applications thereof

Details Adjustable power control module and applications thereof Adjustable power control module and applications thereof

1999-08-18

2000-10-24

Riley, Shawn

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

323274, G05F 316

Patent

active

06137279&

ABSTRACT:
An adjustable power control module includes a supply voltage comparison circuit, a signal dependent current source, and a power regulation module. The supply voltage comparison circuit is operably coupled to compare a supply voltage with a low-powered threshold. When the supply voltage is less than the low-power threshold, the supply voltage comparison circuit provides a corresponding indication to the signal dependent current source. The signal dependent current source generates a first regulated current when the supply voltage is less than the low powered threshold based on the indication and generates a second regulated current when the supply voltage is above the low power threshold. The second regulated current is larger than the first regulated current. The power regulation module provides the first or second regulated current to an associated circuit. As such, the current supplied to the circuit is regulated based on operating conditions for the circuit. As such, when operating conditions dictate that more power can be provided to the circuit, the adjustable power control module provides more current conversely when the operating conditions indicate less power, the adjustable power control module provides less power.

REFERENCES:
patent: 5063342 (1991-11-01), Hughes et al.
patent: 5142219 (1992-08-01), Hsu et al.
patent: 5796276 (1998-08-01), Phillips et al.

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