Lighting Control IC Multi-Clock Architecture for Hardware Compatibility
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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 modules, leading to suboptimal performance and communication issues.
Innovation Solution
A control IC with a clock generator that produces two or more clock signals of different frequencies, allowing the driver logic to be adapted to the specific hardware module's working frequency while maintaining a consistent clock for the control logic, thereby enhancing flexibility and performance in driving diverse hardware setups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single clock signal is used for all components in the control IC, then the device complexity is reduced, but the adaptability to different hardware modules deteriorates
Solution Approach 1:
The clock signal generation is segmented into multiple independent clock signals with different frequencies, each tailored for specific hardware modules. The control IC generates at least a first clock signal for the control logic and a second clock signal for the driver logic, allowing each component to operate at its optimal frequency without requiring a single unified clock source.
Solution Approach 2:
The control IC is designed with multi-functionality to support different hardware module types through configurable clock signal generation. The same control IC can adapt to various hardware modules by adjusting the frequencies and assignments of its internal clock signals, making it universally compatible while maintaining optimized performance for each specific module type.
2Productivity
If the driver logic is clocked with a frequency optimized for a specific hardware module, then the reaction time and performance improve, but the device complexity increases due to multiple clock signals
Solution Approach 1:
The clock signal configuration is made dynamic and configurable rather than fixed. The control IC can adjust the frequencies and assignments of clock signals based on the specific hardware module being driven, allowing the system to optimize reaction time for each module while managing complexity through programmable control rather than hardwired configurations.
3Adaptability or versatility
If different clock frequencies are used for control logic and driver logic, then the adaptability to hardware modules improves, but the device complexity increases
Solution Approach 1:
Different regions or components of the control IC are assigned different clock frequencies according to their specific requirements. The control logic operates at one frequency optimized for control functions, while the driver logic operates at another frequency optimized for driving hardware modules, allowing each component to have the local quality it needs without affecting other parts.
Data Source
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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 (clki) 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).