Processor IC Load Drive Circuit Versatility
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Solution Overview
Problem
Existing control devices lack versatility and extensibility in adjusting the number and specifications of drive circuits to accommodate varying loads, limiting their adaptability and flexibility.
Innovation Solution
A control device configuration that includes a processor, an IC with a communication circuit for serial communication, a first drive circuit, a second drive circuit external to the IC, and a third drive circuit for controlling the second drive circuit, allowing the processor to transmit channel information to adjust the number of channels based on the second drive circuit's switches, enabling flexible configuration of drive circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the number of drive circuits and specifications are fixed within the IC, then the IC structure is simple and manufacturing is easy, but the versatility and extensibility to accommodate varying loads is poor
Solution Approach 1:
The drive circuit is divided into two segments: a first drive circuit integrated within the IC and a second drive circuit provided externally. This segmentation allows the IC to maintain a simple fixed structure while enabling versatility through external expansion. The processor can selectively activate or deactivate the second drive circuit based on load requirements, achieving adaptability without increasing core IC complexity.
Solution Approach 2:
The second drive circuit is extracted from the IC and provided externally. This extraction allows the system to maintain a simple base IC configuration while enabling flexible expansion by adding or removing external drive circuits as needed. The communication circuit within the IC manages control signals for both the internal first drive circuit and the external second drive circuit, maintaining system coherence.
2Adaptability or versatility
If more drive circuits are integrated into the IC, then the load driving capability is enhanced, but the IC chip size increases
Solution Approach 1:
The drive circuit functionality is segmented between an integrated first drive circuit within the IC and an external second drive circuit. This allows the IC chip size to remain compact while still providing enhanced load driving capability through the combination of internal and external drive circuits. The communication circuit coordinates control signals to both drive circuits, ensuring unified operation despite the distributed architecture.
3Adaptability or versatility
If the number of channels in the drive circuit is fixed, then the communication protocol is simple, but the ability to accommodate different load configurations is limited
Solution Approach 1:
The communication circuit dynamically adjusts the number of channels based on operational requirements. The processor can transmit control signals that activate or deactivate specific channels, allowing the system to adapt to different load configurations. This dynamic channel management enables versatile load accommodation while maintaining a relatively simple communication protocol structure.
Data Source
AI summary
The present disclosure provides a control device having versatility and extensibility of a load driving circuit. A control device includes a processor and an IC, in which the IC includes: a communication circuit that transmits a control signal from the processor; a first drive circuit that drives a first load; a second drive circuit that drives a second load and is provided outside the IC separately from the first drive circuit; and a third drive circuit that controls the second drive circuit, the processor transmits channel information corresponding to the number of switches of the second drive circuit to the IC, and the communication circuit changes the number of channels of the third drive circuit on the basis of the channel information.