Half-Bridge Output Circuit Switching Between Charge Sharing and Gate Pulsing
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Solution Overview
Problem
Conventional half bridge signal output circuits can only perform either charge sharing or gate pulsing modulation, limiting their multipurpose functionality.
Innovation Solution
A multipurpose half bridge signal output circuit that selectively operates under charge sharing or gate pulsing modulation modes through different connection relationships between two output pins and an external resistor, incorporating multiple half bridge signal output circuits and voltage adjustment switches with parasitic diodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional half bridge signal output circuits are designed for charge sharing mode, then charge sharing function is achieved, but gate pulsing modulation function cannot be performed
Solution Approach 1:
The circuit is designed with dual operational capability by incorporating both a charge sharing circuit zone and a gate pulsing modulation circuit zone within the same integrated circuit. The half bridge signal output circuit can selectively operate in either charge sharing mode or gate pulsing modulation mode, allowing a single device to perform multiple functions that previously required separate dedicated circuits.
Solution Approach 2:
The circuit incorporates switching mechanisms that allow dynamic reconfiguration between different operational modes. Through control signals, the circuit can transition between charge sharing mode and gate pulsing modulation mode, enabling adaptive operation based on system requirements without requiring physical reconfiguration of the circuit.
2Reliability
If separate dedicated circuits are used for charge sharing and gate pulsing modulation, then each function is optimized, but the number of output pins and resistors increases
Solution Approach 1:
The patent combines previously separate charge sharing circuit and gate pulsing modulation circuit into a single integrated half bridge signal output circuit. By merging these functions into one circuit block with shared components, the design reduces the total number of output pins and resistors required while maintaining the functional performance of both modes.
Solution Approach 2:
The integrated circuit is designed to universally support both charge sharing and gate pulsing modulation operations through a shared infrastructure of output pins and resistors. The same physical components serve multiple functional purposes depending on the operational mode, thereby reducing the quantity of components needed compared to having separate dedicated circuits for each function.
3Quantity of substance
If a single circuit is designed to support both modes, then component quantity is reduced, but circuit design complexity increases
Solution Approach 1:
The integrated circuit is segmented into distinct functional zones: a charge sharing circuit zone and a gate pulsing modulation circuit zone. Each zone contains dedicated sub-circuits optimized for its specific function, while sharing common output pins and resistors. This segmentation allows independent optimization of each function while managing overall circuit complexity through modular organization.
Data Source
AI summary
The present invention discloses a multipurpose half bridge signal output circuit. The multipurpose half bridge signal output circuit is capable of selectively operating under a charge sharing mode or a gate pulsing modulation mode. The multipurpose half bridge signal output circuit includes: a first output pin; a second output pin; a first circuit zone having a first common end coupled to the first output pin; and a second circuit zone having a second common end coupled to the second output pin.