Reconfigurable Gate Driver Circuit for Dual Converter Topologies
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Solution Overview
Problem
Existing high power converter circuits for electric motors and generators require different gate driver topologies for various applications, necessitating separate assemblies for each configuration, which increases costs and complexity.
Innovation Solution
A reconfigurable gate driver circuit that can switch between switched reluctance converter and two parallel half bridge gate driver topologies using jumper connections and a common controller circuit, allowing adaptation to different applications without needing multiple dedicated assemblies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate gate driver assemblies are used for different applications (switched reluctance converter and parallel half bridge topologies), then each application can have optimized circuit design, but device complexity and manufacturing costs increase
Solution Approach 1:
The gate driver assembly is designed with dual functionality to operate in two different topologies: switched reluctance converter mode and parallel half bridge mode. The same physical assembly can be configured for different applications through jumper settings, eliminating the need for separate dedicated assemblies for each topology while maintaining application-specific optimization
Solution Approach 2:
The gate driver assembly incorporates configurable jumper connections that allow dynamic reconfiguration between different operational topologies. By adding or removing jumpers, the same assembly can switch between switched reluctance converter configuration and parallel half bridge configuration, providing adaptability without requiring multiple static assemblies
2Reliability
If multiple dedicated gate driver assemblies are manufactured for different topologies, then each assembly can be optimized for its specific application, but manufacturing costs and inventory complexity increase
Solution Approach 1:
A single gate driver assembly design serves multiple application needs by supporting both switched reluctance converter and parallel half bridge topologies. This universal design approach reduces manufacturing costs by producing one standardized assembly rather than multiple specialized assemblies, while still providing application-optimized performance through configurable jumper connections
3Manufacturing precision
If different gate driver topologies are used for different applications, then each application can have optimal circuit design, but system flexibility and resource utilization decrease
Solution Approach 1:
The gate driver assembly enables dynamic reconfiguration between different circuit topologies through jumper connections. The same assembly can be adapted to switched reluctance converter configuration or parallel half bridge configuration as needed, providing both circuit design optimization and reconfigurability without requiring separate dedicated assemblies for each topology
Data Source
AI summary
A drive circuit includes a first half bridge gate driver including a first top device and a first bottom device; a second half bridge gate driver including a second top device and a second bottom device; jumper connections and a circuit board. The jumper connections configure the drive circuit as two parallel half bridge gate drivers connected in parallel when jumpers are applied to the jumper connections. The jumpers connect a control gate of the first top device to a control gate of the second top device and connect a control gate of the first bottom device to a control gate of the second bottom device. The circuit board includes the first and second half bridge gate drivers and electrical interconnect to configure the first half bridge gate driver and the second half bridge gate driver as a switched reluctance converter in the absence of the jumpers.