Multi-Phase Power Converter Sharing Intermediate Voltage
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Solution Overview
Problem
Existing audio systems with multiple boosted amplifier ICs face challenges in synchronizing power management and efficiency due to isolated power consumption, which restricts performance in multi-channel audio applications.
Innovation Solution
A circuit system where a power converter generates an intermediate voltage and shares it with other circuits, allowing for synchronized power management and efficient power delivery across multiple amplifier ICs via a communications bus, enabling them to function as a single system while optimizing power usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If multiple boosted amplifier ICs are used for multi-channel audio, then audio output capability is improved, but power management coordination becomes problematic due to isolated device architecture
Solution Approach 1:
The patent merges previously isolated power management functions into a unified system. Multiple amplifier ICs share a common power converter and voltage regulator, allowing centralized control of power distribution. This integration enables coordinated power management across all amplifier channels while maintaining the benefits of multiple amplifiers for multi-channel audio output.
2Ease of operation
If isolated power management is used in each amplifier IC, then device independence is maintained, but system-wide power efficiency deteriorates
Solution Approach 1:
The patent implements a universal power management architecture where a single power converter and voltage regulator serve multiple amplifier ICs simultaneously. This multi-functional design allows the system to optimize power efficiency globally while each amplifier IC retains its operational independence. The shared power infrastructure enables coordinated energy management across the entire audio system.
3Device complexity
If each amplifier IC manages its own power independently, then individual device control is simplified, but overall system power consumption increases
Solution Approach 1:
The patent combines individual power management functions into a shared power conversion and regulation system. Multiple amplifier ICs draw power from a common regulated voltage source generated by a single power converter. This consolidation eliminates redundant power conversion stages across different amplifier ICs, reducing overall system power consumption while maintaining simplified individual device control through the unified power interface.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows multiple amplifier ICs to operate cohesively, maximizing output power delivery and efficiency under varying loads, while minimizing power consumption by dynamically managing active and inactive boost converters.
Implementation Method 1
a power converter configured to generate an intermediate voltage, provide the intermediate voltage as an amplifier supply voltage to the amplifier
Data Source
AI summary
In accordance with embodiments of the present disclosure, a system may include a circuit having a power converter and an amplifier, wherein the power converter is configured to generate an intermediate voltage, provide the intermediate voltage as an amplifier supply voltage to the amplifier, and share the intermediate voltage with one or more additional circuits external to the circuit, wherein at least one of the one or more additional circuits is configured to generate the intermediate voltage.