Conversion Circuit Voltage Control Trigger Mechanism
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Solution Overview
Problem
Existing conversion circuits for power converters require additional voltage regulators to meet the voltage requirements of both the conversion circuit and semiconductor devices, leading to potential damage from voltage spikes and large currents.
Innovation Solution
A conversion circuit comprising a main device, a voltage control circuit, and a trigger circuit, where the trigger circuit modifies the voltage level of the driving signal to prevent damage from abnormal states, allowing the main device to operate safely without affecting its driving speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional voltage regulators are used to meet voltage requirements, then voltage stability is improved, but device complexity increases
Solution Approach 1:
The patent combines the voltage regulator and trigger circuit into a single integrated circuit that works together to control the main device. The voltage regulator and trigger circuit share common components and control pathways, eliminating the need for separate voltage regulators and reducing overall circuit complexity while maintaining voltage stability.
Solution Approach 2:
The integrated circuit performs multiple functions simultaneously: it regulates voltage to meet the main device's requirements and generates trigger signals for precise timing control. This multi-functional design replaces what would traditionally require separate voltage regulators and trigger circuits, reducing device complexity while improving reliability.
2Power
If voltage level is increased to meet power requirements, then power delivery capability is improved, but risk of voltage spikes and damage increases
Solution Approach 1:
The voltage regulator is designed to pre-regulate the voltage before it reaches the main device, and the trigger circuit generates precise trigger signals that activate the main device at the optimal moment. This preliminary control prevents voltage spikes and ensures the main device receives power in a controlled manner, eliminating the need for higher voltage levels that would increase damage risk.
Solution Approach 2:
The integrated circuit acts as an intermediary between the power source and the main device, mediating the voltage and timing to ensure safe operation. The voltage regulator and trigger circuit work together to control the power delivery, preventing direct exposure of the main device to harmful voltage spikes while maintaining adequate power delivery capability.
3Reliability
If driving signal voltage is reduced to prevent damage, then safety is improved, but driving speed may be affected
Solution Approach 1:
The trigger circuit generates precise trigger signals that activate the main device at the optimal moment, ensuring that the driving signal is applied with the correct timing and duration. This preliminary timing control allows the main device to switch efficiently at safe voltage levels, maintaining driving speed while improving safety.
Solution Approach 2:
The integrated circuit optimizes the voltage and timing parameters of the driving signal dynamically. By precisely controlling the voltage level and pulse width of the trigger signals, the system maintains adequate driving speed while keeping voltage levels safe for the main device, resolving the trade-off between safety and performance.
Data Source
AI summary
A conversion circuit includes a main device, a voltage control circuit and a trigger circuit. An output terminal of the voltage control circuit is electrically connected to a control terminal of the main device. The voltage control circuit is configured to output a driving signal having a first voltage level to the main device. The trigger circuit comprises an output terminal and a sense terminal. The output terminal of the trigger circuit is electrically connected to the control terminal of the voltage control circuit, and the sense terminal of the trigger circuit is electrically connected to the control terminal of the main device.