Lighting Control IC with Dual-Clock Logic for Hardware Frequency Matching
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Solution Overview
Problem
Existing control integrated circuits (ICs) for lighting systems lack flexibility in controlling different types of hardware modules, as they often use a single clock signal that may not be optimally suited for various hardware components, leading to suboptimal performance and communication.
Innovation Solution
A control IC with a driver logic and a control logic, utilizing a clock generator to produce two or more clock signals with different frequencies, allowing the driver logic to adapt its frequency to the working frequency of the hardware module while maintaining consistent operation of the control logic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single clock signal is used for both control logic and driver logic, then the device complexity is reduced, but the adaptability to different hardware modules deteriorates
Solution Approach 1:
The patent divides the clock signal generation into separate segments: a first clock signal for the control logic and a second clock signal for the driver logic. This segmentation allows each logic unit to operate at its optimal frequency independently, resolving the contradiction between simplified design and hardware adaptability.
Solution Approach 2:
The patent implements dynamic clock frequency adjustment by allowing the second clock signal frequency to be adapted to match different hardware module requirements while maintaining the first clock signal for control logic. This dynamic approach enables the system to optimize performance for various hardware configurations without increasing overall structural complexity.
2Device complexity
If the driver logic is clocked at a fixed frequency, then the device complexity is reduced, but the adaptability to different hardware modules deteriorates
Solution Approach 1:
The patent changes the frequency parameter of the second clock signal to match the working frequency of different hardware modules. By allowing this parameter to be adjusted while keeping the control logic clocked at a fixed first frequency, the system achieves hardware adaptability without excessive complexity in frequency control mechanisms.
Data Source
AI summary
The invention relates to a control integrated circuit (1), control IC, for controlling an operating device (15) for lighting means (10). The control IC (1) comprises a driver logic (3a) for driving a hardware module (4a), a control logic (2a) for controlling the driver logic (3a), and a clock generator (5) for generating two or more clock signals (clk1, clk2) that have a different frequency with regard to each other. The clock generator (5) is configured to provide a first clock signal (clk1) of the two or more clock signals (clk1, clk2) to the control logic (2a), and a second clock signal (clk2) of the two or more clock signals (clk1, clk2) to the driver logic (3a). The invention further relates to an operating device (15) for lighting means, the operating device (15) comprising such a control IC (1); and to a luminaire comprising such an operating device (15).